{
  "version": 1,
  "name": "Junda Pipe product catalogue",
  "url": "https://jundapipe.com/mcp-catalog.json",
  "description": "Junda product groups, catalogue entries, grades, UNS designations and typical standards for agents and MCP clients. Every entry is made to order; the purchase order and the agreed standard edition govern supply.",
  "company": {
    "name": "Junda Pipe",
    "legalName": "Zhejiang Junda Steel Pipe Manufacturing Co., Ltd.",
    "brand": "Jungang",
    "url": "https://jundapipe.com/",
    "description": "Zhejiang Junda Steel Pipe Manufacturing Co., Ltd. manufactures seamless stainless steel pipes, high-nickel alloy pipes, duplex and super duplex pipes, precision tubing, heat exchanger U-bend tubes, and nickel superalloy tubing under the Jungang brand.",
    "contact": {
      "email": "sales@jundapipe.com",
      "telephone": "+8613968820108",
      "enquiryUrl": "https://jundapipe.com/contact",
      "enquiryApi": "https://jundapipe.com/api/contact",
      "enquiryApiDescription": "https://jundapipe.com/.well-known/openapi/contact.json",
      "method": "website form with server-side delivery to the sales team",
      "deliveryConfirmation": false,
      "requiredFormFields": [
        "firstName",
        "lastName",
        "email"
      ],
      "addresses": [
        "No. 278 Yongning Road, Xiping Street, Songyang County, Lishui City, Zhejiang Province, China",
        "Room 515, Zunhao SOHO, No. 2 Binhai 1st Road, Longwan District, Wenzhou City, Zhejiang Province, China",
        "TH65 Alandulus, Jumeirah Golf Estate, Dubai, United Arab Emirates"
      ]
    }
  },
  "productCustomization": {
    "madeToOrder": true,
    "dimensions": "Length, outside diameter, wall thickness and profile dimensions are customized to the project drawing; tolerances and feasibility are confirmed when quoting.",
    "sourceCheckedOn": "2026-10-26",
    "evidenceIndex": "https://jundapipe.com/product-evidence.md",
    "alloyReferenceArchive": "https://jundapipe.com/alloy-reference-zh.md"
  },
  "boundaries": [
    "Prices, stock and lead times are not published; they are confirmed in a written quotation.",
    "A listed grade or standard is a typical enquiry reference, not a statement that every size or edition is available.",
    "Certificates cover the scope written on them; confirm project documents and inspection scope with Junda."
  ],
  "certificates": {
    "checkedOn": "2026-10-25",
    "source": "https://jundapipe.com/about#honors-and-qualifications",
    "details": "https://jundapipe.com/quality",
    "entries": [
      {
        "id": "iso-9001",
        "number": "19821QA0205R1S",
        "standard": "GB/T 19001-2016 / ISO 9001:2015",
        "scope": "Manufacture and sale of stainless steel seamless pipes within the scope of qualification",
        "issuer": "Beijing Xinjiyuan Certification Co., Ltd. (CNAS accredited)",
        "validUntil": "2027-01-26"
      },
      {
        "id": "a2b2",
        "number": "TS2733N39-2027",
        "standard": "Special Equipment Production Licence (China)",
        "scope": "Pressure piping components: pressure piping pipes (A/B), limited to seamless steel pipes; product range as listed in the type test certificates",
        "issuer": "Zhejiang Administration for Market Regulation",
        "validUntil": "2027-03-16"
      }
    ]
  },
  "families": [
    {
      "id": "HighNickelAlloyPipes",
      "name": "High-nickel alloy pipes",
      "slug": "high-nickel-alloy-pipes",
      "url": "https://jundapipe.com/products/high-nickel-alloy-pipes",
      "summary": "Inconel 625, Incoloy 800HT, Alloy 20, Hastelloy C-276 and Monel 400 to ASTM B163 / B167 / B407 / B444.",
      "standards": [
        "ASTM B163",
        "ASTM B167",
        "ASTM B407",
        "ASTM B444",
        "ASTM B622",
        "ASTM B729",
        "EN 10216-5 (nickel alloy review)",
        "DIN 17458 (legacy reference review)",
        "ASME SB163",
        "ASME SB407",
        "ASME SB444",
        "ASME SB622",
        "ASME SB729",
        "NACE MR0175 / ISO 15156 (sour service review)"
      ],
      "grades": [
        {
          "grade": "Inconel 625",
          "uns": "N06625",
          "product": "uns-n06625-inconel-625-seamless-pipe"
        },
        {
          "grade": "Incoloy 800H",
          "uns": "N08810"
        },
        {
          "grade": "Incoloy 800HT",
          "uns": "N08811",
          "product": "uns-n08811-incoloy-800ht-seamless-pipe"
        },
        {
          "grade": "Alloy 20",
          "uns": "N08020",
          "product": "uns-n08020-alloy-20-seamless-pipe"
        },
        {
          "grade": "Inconel 600",
          "uns": "N06600"
        },
        {
          "grade": "Incoloy 825",
          "uns": "N08825"
        },
        {
          "grade": "Hastelloy C-276",
          "uns": "N10276",
          "product": "hastelloy-c-276-seamless-pipe"
        },
        {
          "grade": "Monel 400",
          "uns": "N04400"
        },
        {
          "grade": "Nickel 200",
          "uns": "N02200"
        }
      ],
      "applications": [
        "Chemical and petrochemical processing",
        "Heat exchangers and condensers",
        "Power generation",
        "Aerospace and gas turbines"
      ],
      "materials": [
        "Nickel-chromium alloys",
        "Nickel-iron-chromium alloys",
        "Nickel-copper alloys",
        "Nickel-molybdenum alloys"
      ],
      "note": "Sour-service enquiries are reviewed against NACE MR0175 / ISO 15156 for the specific grade, hardness and environment.",
      "products": [
        "uns-n06625-inconel-625-seamless-pipe",
        "uns-n08811-incoloy-800ht-seamless-pipe",
        "uns-n08020-alloy-20-seamless-pipe",
        "incoloy-800t-seamless-pipe",
        "hastelloy-c-276-seamless-pipe"
      ]
    },
    {
      "id": "SuperDuplexSteelPipes",
      "name": "Duplex & super duplex steel pipes (2205 / 2507)",
      "slug": "super-duplex-steel-pipes",
      "url": "https://jundapipe.com/products/super-duplex-steel-pipes",
      "summary": "2205 (S32205 / S31803), 2507 (S32750) and 254SMO (S31254) to ASTM A789 / A790.",
      "standards": [
        "ASTM A789",
        "ASTM A790",
        "ASME SA789",
        "ASME SA790",
        "EN 10216-5",
        "DIN 17456 / DIN 17458 (legacy reference review)",
        "NORSOK M-650 (qualification review)"
      ],
      "grades": [
        {
          "grade": "2205 duplex",
          "uns": "S32205 / S31803",
          "product": "s22053-duplex-stainless-steel-pipe"
        },
        {
          "grade": "2507 super duplex",
          "uns": "S32750",
          "product": "s32750-super-duplex-steel-pipe"
        },
        {
          "grade": "254SMO super austenitic",
          "uns": "S31254",
          "product": "254smo-super-austenitic-pipe"
        }
      ],
      "applications": [
        "Offshore oil and gas",
        "Seawater and desalination systems",
        "Chemical processing",
        "Heat exchangers and condensers"
      ],
      "materials": [
        "Duplex stainless steel",
        "Super duplex stainless steel",
        "Super austenitic stainless steel"
      ],
      "note": "PREN (pitting resistance equivalent number) and chloride service conditions are reviewed for each enquiry.",
      "products": [
        "s22053-duplex-stainless-steel-pipe",
        "s32750-super-duplex-steel-pipe"
      ]
    },
    {
      "id": "AusteniticStainlessSteelPipes",
      "name": "Austenitic stainless steel pipes",
      "slug": "austenitic-stainless-steel-pipes",
      "url": "https://jundapipe.com/products/austenitic-stainless-steel-pipes",
      "summary": "TP304/304L, TP316/316L, TP321/321H, TP347/347H, 317L, 904L and 254SMO to ASTM A312 / A213 / A269 / A376.",
      "standards": [
        "ASTM A312",
        "ASTM A213",
        "ASTM A269",
        "ASTM A376",
        "ASME SA312",
        "ASME SA213",
        "EN 10216-5",
        "DIN 17456 / DIN 17458 (legacy reference review)"
      ],
      "grades": [
        {
          "grade": "304",
          "uns": "S30400"
        },
        {
          "grade": "304L",
          "uns": "S30403",
          "product": "304l-seamless-stainless-steel-pipe"
        },
        {
          "grade": "316",
          "uns": "S31600"
        },
        {
          "grade": "316L",
          "uns": "S31603",
          "product": "316l-seamless-pipe"
        },
        {
          "grade": "317L",
          "uns": "S31703",
          "product": "317l-seamless-stainless-steel-pipe"
        },
        {
          "grade": "321 / 321H",
          "uns": "S32100 / S32109",
          "product": "321-seamless-stainless-steel-pipe"
        },
        {
          "grade": "347",
          "uns": "S34700"
        },
        {
          "grade": "347H",
          "uns": "S34709",
          "product": "347h-seamless-stainless-steel-pipe"
        },
        {
          "grade": "310S",
          "uns": "S31008"
        },
        {
          "grade": "904L",
          "uns": "N08904",
          "product": "904l-super-austenite-pipe"
        },
        {
          "grade": "254SMO",
          "uns": "S31254",
          "product": "254smo-super-austenitic-pipe"
        }
      ],
      "applications": [
        "Oil and gas processing",
        "Power generation and boilers",
        "Chemical and petrochemical plants",
        "Pharmaceutical and food processing",
        "Heat exchangers"
      ],
      "materials": [
        "Austenitic stainless steel"
      ],
      "note": "TP304/304L, TP316/316L, TP321/321H, TP347/347H and TP310S designations are confirmed against the ordered ASTM/ASME specification.",
      "products": [
        "316l-seamless-pipe",
        "304l-seamless-stainless-steel-pipe",
        "317l-seamless-stainless-steel-pipe",
        "321-seamless-stainless-steel-pipe",
        "347h-seamless-stainless-steel-pipe",
        "904l-super-austenite-pipe",
        "254smo-super-austenitic-pipe"
      ]
    },
    {
      "id": "StainlessSteelPrecisionPipes",
      "name": "Stainless steel precision tubing",
      "slug": "stainless-steel-precision-tubing",
      "url": "https://jundapipe.com/products/stainless-steel-precision-tubing",
      "summary": "BA, EP and fine-rolled tubing to ASTM A269 / A213 for hydraulic, instrumentation and semiconductor service.",
      "standards": [
        "ASTM A269",
        "ASTM A213",
        "ASTM A1016",
        "EN 10216-5",
        "DIN 17456 / DIN 17458 (legacy reference review)",
        "Bright annealed (BA)",
        "Electropolished (EP)"
      ],
      "grades": [
        {
          "grade": "304L",
          "uns": "S30403",
          "product": "304l-seamless-stainless-steel-pipe"
        },
        {
          "grade": "316L",
          "uns": "S31603",
          "product": "316l-seamless-pipe"
        },
        {
          "grade": "321",
          "uns": "S32100",
          "product": "321-seamless-stainless-steel-pipe"
        },
        {
          "grade": "347H",
          "uns": "S34709",
          "product": "347h-seamless-stainless-steel-pipe"
        },
        {
          "grade": "904L",
          "uns": "N08904",
          "product": "904l-super-austenite-pipe"
        },
        {
          "grade": "254SMO",
          "uns": "S31254",
          "product": "254smo-super-austenitic-pipe"
        }
      ],
      "applications": [
        "Hydraulic and instrumentation lines",
        "Semiconductor and clean-gas systems",
        "Medical devices and analytical instruments",
        "Coiled tubing and long-length runs"
      ],
      "materials": [
        "Austenitic stainless steel"
      ],
      "note": "Tolerance, surface finish, straightness and coil length are agreed for each precision order.",
      "products": [
        "extra-long-stainless-steel-tube",
        "fine-rolled-thick-walled-stainless-steel-pipe",
        "fine-rolled-thin-walled-stainless-steel-pipe"
      ]
    },
    {
      "id": "StainlessSteelSpecialShapedPipes",
      "name": "Heat exchanger U-bend tubes & stainless steel profile tubing",
      "slug": "stainless-steel-profile-tubing",
      "url": "https://jundapipe.com/products/stainless-steel-profile-tubing",
      "summary": "U-bend and rectangular heat-transfer tubes to ASTM A688 / A213 in 304L, 316L, 321, 2205, 2507 and Inconel 625.",
      "standards": [
        "ASTM A688",
        "ASTM A213",
        "ASTM A269",
        "ASME SA688",
        "ASME SA213",
        "EN 10216-5",
        "DIN 17456 / DIN 17458 (legacy reference review)"
      ],
      "grades": [
        {
          "grade": "304L",
          "uns": "S30403",
          "product": "304l-seamless-stainless-steel-pipe"
        },
        {
          "grade": "316L",
          "uns": "S31603",
          "product": "316l-seamless-pipe"
        },
        {
          "grade": "321",
          "uns": "S32100",
          "product": "321-seamless-stainless-steel-pipe"
        },
        {
          "grade": "2205 duplex",
          "uns": "S32205 / S31803",
          "product": "s22053-duplex-stainless-steel-pipe"
        },
        {
          "grade": "2507 super duplex",
          "uns": "S32750",
          "product": "s32750-super-duplex-steel-pipe"
        },
        {
          "grade": "Inconel 625",
          "uns": "N06625",
          "product": "uns-n06625-inconel-625-seamless-pipe"
        }
      ],
      "applications": [
        "Feedwater heaters",
        "Surface condensers",
        "Shell-and-tube heat exchangers",
        "Rectangular and custom profiles"
      ],
      "materials": [
        "Austenitic stainless steel",
        "Duplex stainless steel",
        "Nickel alloy"
      ],
      "note": "U-bend radius, leg length, centre distance and heat-treatment condition are confirmed from the exchanger drawing.",
      "products": [
        "rectangular-stainless-steel-heat-transfer-tube",
        "heat-exchanger-u-bend-tubes"
      ]
    },
    {
      "id": "SeamlessPipesForMilitaryStandards",
      "name": "Nickel superalloy & aerospace seamless tubing",
      "slug": "military-grade-seamless-pipe",
      "url": "https://jundapipe.com/products/military-grade-seamless-pipe",
      "summary": "Inconel 718 (N07718 / GH4169), Alloy C263 (N07263 / GH4163), N08347 and C4 specialty grades to AMS or project specifications.",
      "standards": [
        "AMS 5589 (seamless tubing)",
        "Project-specific aerospace material specification"
      ],
      "grades": [
        {
          "grade": "Inconel 718",
          "uns": "N07718",
          "product": "gh4169-superalloy-pipe",
          "note": "Catalogue designation GH4169"
        },
        {
          "grade": "Alloy C263 / Nimonic 263",
          "uns": "N07263",
          "product": "gh4163-steel",
          "note": "Catalogue designation GH4163"
        },
        {
          "grade": "N08347",
          "uns": "N08347",
          "product": "uns-n08347-nickel-alloy-seamless-pipe",
          "note": "Catalogue designation to be confirmed against the purchase specification"
        },
        {
          "grade": "C4 (KY704) high-silicon steel",
          "uns": "—",
          "product": "c4-ky704-high-silicon-steel",
          "note": "Specialty high-silicon grade; project specification governs"
        }
      ],
      "applications": [
        "Aerospace hydraulic and fuel systems",
        "Gas turbine components",
        "High-temperature engine hardware",
        "Specialty severe-service tubing"
      ],
      "materials": [
        "Nickel-iron-chromium superalloys",
        "Nickel-chromium superalloys",
        "Specialty high-silicon steel"
      ],
      "note": "Aerospace and defence-related enquiries are reviewed against the named AMS/ASTM or project specification; ISO 9001 alone is not a product approval.",
      "products": [
        "c4-ky704-high-silicon-steel",
        "gh4163-steel",
        "uns-n08347-nickel-alloy-seamless-pipe",
        "gh4169-superalloy-pipe"
      ]
    }
  ],
  "products": [
    {
      "id": "316LSeamlessPipe",
      "name": "316L Seamless Stainless Steel Pipe",
      "slug": "316l-seamless-pipe",
      "url": "https://jundapipe.com/products/316l-seamless-pipe",
      "summary": "316L (S31603) to ASTM A312 / A213 / A269.",
      "description": "316L Seamless Stainless Steel Pipe from Junda's Austenitic stainless steel pipes range. Made to order; send the grade, size, standard and inspection scope for a technical quotation.",
      "family": "Austenitic stainless steel pipes",
      "familySlug": "austenitic-stainless-steel-pipes",
      "image": "https://jundapipe.com/assets/img/Products/AusteniticStainlessSteelPipes/316-l-steel-pipe.webp",
      "grade": "316L",
      "uns": "S31603",
      "material": "Austenitic stainless steel",
      "standards": [
        "ASTM A312",
        "ASTM A213",
        "ASTM A269",
        "ASTM A376",
        "ASME SA312",
        "ASME SA213",
        "EN 10216-5",
        "DIN 17456 / DIN 17458 (legacy reference review)"
      ]
    },
    {
      "id": "304LSeamlessPipe",
      "name": "304L Seamless Stainless Steel Pipe",
      "slug": "304l-seamless-stainless-steel-pipe",
      "url": "https://jundapipe.com/products/304l-seamless-stainless-steel-pipe",
      "summary": "304L (S30403) to ASTM A312 / A213 / A269.",
      "description": "304L (UNS S30403) seamless stainless steel pipe to ASTM A312 / A213 / A269. Made to order; send size, standard and inspection scope for a technical quote.",
      "family": "Austenitic stainless steel pipes",
      "familySlug": "austenitic-stainless-steel-pipes",
      "image": "https://jundapipe.com/assets/img/Products/AusteniticStainlessSteelPipes/s30403-stainless-steel-pipe.webp",
      "grade": "304L",
      "uns": "S30403",
      "material": "Austenitic stainless steel",
      "standards": [
        "ASTM A312",
        "ASTM A213",
        "ASTM A269",
        "ASTM A376",
        "ASME SA312",
        "ASME SA213",
        "EN 10216-5",
        "DIN 17456 / DIN 17458 (legacy reference review)"
      ]
    },
    {
      "id": "317LSeamlessPipe",
      "name": "317L Seamless Stainless Steel Pipe",
      "slug": "317l-seamless-stainless-steel-pipe",
      "url": "https://jundapipe.com/products/317l-seamless-stainless-steel-pipe",
      "summary": "317L (S31703) austenitic stainless steel pipe.",
      "description": "317L Seamless Stainless Steel Pipe from Junda's Austenitic stainless steel pipes range. Made to order; send the grade, size, standard and inspection scope for a technical quotation.",
      "family": "Austenitic stainless steel pipes",
      "familySlug": "austenitic-stainless-steel-pipes",
      "image": "https://jundapipe.com/assets/img/Products/AusteniticStainlessSteelPipes/317-l-austenitic-stainless-steel.webp",
      "grade": "317L",
      "uns": "S31703",
      "material": "Austenitic stainless steel",
      "standards": [
        "ASTM A312",
        "ASTM A213",
        "ASTM A269",
        "ASTM A376",
        "ASME SA312",
        "ASME SA213",
        "EN 10216-5",
        "DIN 17456 / DIN 17458 (legacy reference review)"
      ]
    },
    {
      "id": "321SeamlessPipe",
      "name": "321 / 321H Seamless Stainless Steel Pipe",
      "slug": "321-seamless-stainless-steel-pipe",
      "url": "https://jundapipe.com/products/321-seamless-stainless-steel-pipe",
      "summary": "S32100 / S32109 to ASTM A312 / A213.",
      "description": "321 / 321H (UNS S32100 / S32109) stabilized seamless stainless steel pipe to ASTM A312 / A213. Made to order for high-temperature service.",
      "family": "Austenitic stainless steel pipes",
      "familySlug": "austenitic-stainless-steel-pipes",
      "image": "https://jundapipe.com/assets/img/Products/AusteniticStainlessSteelPipes/321-steel-pipe.webp",
      "grade": "321 / 321H",
      "uns": "S32100 / S32109",
      "material": "Austenitic stainless steel",
      "standards": [
        "ASTM A312",
        "ASTM A213",
        "ASTM A269",
        "ASTM A376",
        "ASME SA312",
        "ASME SA213",
        "EN 10216-5",
        "DIN 17456 / DIN 17458 (legacy reference review)"
      ]
    },
    {
      "id": "347HSeamlessPipe",
      "name": "347H Seamless Stainless Steel Pipe",
      "slug": "347h-seamless-stainless-steel-pipe",
      "url": "https://jundapipe.com/products/347h-seamless-stainless-steel-pipe",
      "summary": "S34709 to ASTM A312 / A213.",
      "description": "347H Seamless Stainless Steel Pipe from Junda's Austenitic stainless steel pipes range. Made to order; send the grade, size, standard and inspection scope for a technical quotation.",
      "family": "Austenitic stainless steel pipes",
      "familySlug": "austenitic-stainless-steel-pipes",
      "image": "https://jundapipe.com/assets/img/Products/AusteniticStainlessSteelPipes/347-h-austenitic-stainless-steel.webp",
      "grade": "347H",
      "uns": "S34709",
      "material": "Austenitic stainless steel",
      "standards": [
        "ASTM A312",
        "ASTM A213",
        "ASTM A269",
        "ASTM A376",
        "ASME SA312",
        "ASME SA213",
        "EN 10216-5",
        "DIN 17456 / DIN 17458 (legacy reference review)"
      ]
    },
    {
      "id": "904LSuperAustenitePipe",
      "name": "904L Super Austenite Pipe",
      "slug": "904l-super-austenite-pipe",
      "url": "https://jundapipe.com/products/904l-super-austenite-pipe",
      "summary": "N08904 super austenitic stainless steel pipe.",
      "description": "904L Super Austenite Pipe from Junda's Austenitic stainless steel pipes range. Made to order; send the grade, size, standard and inspection scope for a technical quotation.",
      "family": "Austenitic stainless steel pipes",
      "familySlug": "austenitic-stainless-steel-pipes",
      "image": "https://jundapipe.com/assets/img/Products/AusteniticStainlessSteelPipes/904-l-super-austenite.webp",
      "grade": "904L",
      "uns": "N08904",
      "material": "Super austenitic stainless steel",
      "standards": [
        "ASTM A312",
        "ASTM A213",
        "ASTM A269",
        "ASTM A376",
        "ASME SA312",
        "ASME SA213",
        "EN 10216-5",
        "DIN 17456 / DIN 17458 (legacy reference review)"
      ]
    },
    {
      "id": "254SMoSuperAusteniticPipe",
      "name": "254SMo Super Austenitic Pipe",
      "slug": "254smo-super-austenitic-pipe",
      "url": "https://jundapipe.com/products/254smo-super-austenitic-pipe",
      "summary": "S31254 super austenitic stainless steel pipe.",
      "description": "254SMo Super Austenitic Pipe from Junda's Austenitic stainless steel pipes range. Made to order; send the grade, size, standard and inspection scope for a technical quotation.",
      "family": "Austenitic stainless steel pipes",
      "familySlug": "austenitic-stainless-steel-pipes",
      "image": "https://jundapipe.com/assets/img/Products/AusteniticStainlessSteelPipes/super-austenite-254-smo.webp",
      "grade": "254SMO",
      "uns": "S31254",
      "material": "Super austenitic stainless steel",
      "standards": [
        "ASTM A312",
        "ASTM A213",
        "ASTM A269",
        "ASTM A376",
        "ASME SA312",
        "ASME SA213",
        "EN 10216-5",
        "DIN 17456 / DIN 17458 (legacy reference review)"
      ]
    },
    {
      "id": "Inconel625SeamlessPipe",
      "name": "Inconel 625 (UNS N06625) Seamless Pipe",
      "slug": "uns-n06625-inconel-625-seamless-pipe",
      "url": "https://jundapipe.com/products/uns-n06625-inconel-625-seamless-pipe",
      "summary": "ASTM B444 / B163 nickel-chromium alloy pipe for corrosion and high-temperature service.",
      "description": "Inconel 625 (UNS N06625) seamless pipe and tube to ASTM B444 / B163. Made to order for corrosion and high-temperature service; request a technical quote.",
      "family": "High-nickel alloy pipes",
      "familySlug": "high-nickel-alloy-pipes",
      "image": "https://jundapipe.com/assets/img/Products/High-nickelAlloyPipes/no6625.webp",
      "grade": "Inconel 625",
      "uns": "N06625",
      "material": "Nickel alloy",
      "standards": [
        "ASTM B163",
        "ASTM B167",
        "ASTM B407",
        "ASTM B444",
        "ASTM B622",
        "ASTM B729",
        "EN 10216-5 (nickel alloy review)",
        "DIN 17458 (legacy reference review)",
        "ASME SB163",
        "ASME SB407",
        "ASME SB444",
        "ASME SB622",
        "ASME SB729",
        "NACE MR0175 / ISO 15156 (sour service review)"
      ]
    },
    {
      "id": "Incoloy800HTSeamlessPipe",
      "name": "Incoloy 800HT (UNS N08811) Seamless Pipe",
      "slug": "uns-n08811-incoloy-800ht-seamless-pipe",
      "url": "https://jundapipe.com/products/uns-n08811-incoloy-800ht-seamless-pipe",
      "summary": "ASTM B407 nickel-iron-chromium alloy pipe for high-temperature service.",
      "description": "Incoloy 800HT (UNS N08811) seamless pipe to ASTM B407. Made to order for high-temperature and corrosive service; send the project specification for review.",
      "family": "High-nickel alloy pipes",
      "familySlug": "high-nickel-alloy-pipes",
      "image": "https://jundapipe.com/assets/img/Products/High-nickelAlloyPipes/no8811.webp",
      "grade": "Incoloy 800HT",
      "uns": "N08811",
      "material": "Nickel alloy",
      "standards": [
        "ASTM B163",
        "ASTM B167",
        "ASTM B407",
        "ASTM B444",
        "ASTM B622",
        "ASTM B729",
        "EN 10216-5 (nickel alloy review)",
        "DIN 17458 (legacy reference review)",
        "ASME SB163",
        "ASME SB407",
        "ASME SB444",
        "ASME SB622",
        "ASME SB729",
        "NACE MR0175 / ISO 15156 (sour service review)"
      ]
    },
    {
      "id": "Alloy20SeamlessPipe",
      "name": "Alloy 20 (UNS N08020) Seamless Pipe",
      "slug": "uns-n08020-alloy-20-seamless-pipe",
      "url": "https://jundapipe.com/products/uns-n08020-alloy-20-seamless-pipe",
      "summary": "ASTM B729 alloy pipe for sulfuric acid and chemical processing.",
      "description": "Alloy 20 (UNS N08020) seamless pipe to ASTM B729. Made to order for sulfuric acid and chemical processing; request a technical quote.",
      "family": "High-nickel alloy pipes",
      "familySlug": "high-nickel-alloy-pipes",
      "image": "https://jundapipe.com/assets/img/Products/High-nickelAlloyPipes/no8020.webp",
      "grade": "Alloy 20",
      "uns": "N08020",
      "material": "Nickel alloy",
      "standards": [
        "ASTM B163",
        "ASTM B167",
        "ASTM B407",
        "ASTM B444",
        "ASTM B622",
        "ASTM B729",
        "EN 10216-5 (nickel alloy review)",
        "DIN 17458 (legacy reference review)",
        "ASME SB163",
        "ASME SB407",
        "ASME SB444",
        "ASME SB622",
        "ASME SB729",
        "NACE MR0175 / ISO 15156 (sour service review)"
      ]
    },
    {
      "id": "Incoloy800TSeamlessPipe",
      "name": "Incoloy 800T Seamless Pipe",
      "slug": "incoloy-800t-seamless-pipe",
      "url": "https://jundapipe.com/products/incoloy-800t-seamless-pipe",
      "summary": "Catalogue grade; specification confirmed with the enquiry.",
      "description": "Incoloy 800T Seamless Pipe from Junda's High-nickel alloy pipes range. Made to order; send the grade, size, standard and inspection scope for a technical quotation.",
      "family": "High-nickel alloy pipes",
      "familySlug": "high-nickel-alloy-pipes",
      "image": "https://jundapipe.com/assets/img/Products/High-nickelAlloyPipes/incoloy-800-t.webp"
    },
    {
      "id": "HastelloyC276SeamlessPipe",
      "name": "Hastelloy C-276 Seamless Pipe",
      "slug": "hastelloy-c-276-seamless-pipe",
      "url": "https://jundapipe.com/products/hastelloy-c-276-seamless-pipe",
      "summary": "N10276 nickel-molybdenum-chromium alloy pipe.",
      "description": "Hastelloy C-276 Seamless Pipe from Junda's High-nickel alloy pipes range. Made to order; send the grade, size, standard and inspection scope for a technical quotation.",
      "family": "High-nickel alloy pipes",
      "familySlug": "high-nickel-alloy-pipes",
      "image": "https://jundapipe.com/assets/img/Products/High-nickelAlloyPipes/hastelloy-c-276.webp",
      "grade": "Hastelloy C-276",
      "uns": "N10276",
      "material": "Nickel alloy",
      "standards": [
        "ASTM B163",
        "ASTM B167",
        "ASTM B407",
        "ASTM B444",
        "ASTM B622",
        "ASTM B729",
        "EN 10216-5 (nickel alloy review)",
        "DIN 17458 (legacy reference review)",
        "ASME SB163",
        "ASME SB407",
        "ASME SB444",
        "ASME SB622",
        "ASME SB729",
        "NACE MR0175 / ISO 15156 (sour service review)"
      ]
    },
    {
      "id": "S22053DuplexPipe",
      "name": "2205 Duplex (UNS S32205 / S31803) Stainless Steel Pipe",
      "slug": "s22053-duplex-stainless-steel-pipe",
      "url": "https://jundapipe.com/products/s22053-duplex-stainless-steel-pipe",
      "summary": "ASTM A789 / A790 duplex stainless steel pipe.",
      "description": "2205 duplex (UNS S32205 / S31803) seamless pipe to ASTM A789 / A790. Made to order for chloride and offshore service; request a technical quote.",
      "family": "Duplex & super duplex steel pipes (2205 / 2507)",
      "familySlug": "super-duplex-steel-pipes",
      "image": "https://jundapipe.com/assets/img/Products/SuperDuplexSteelPipes/s22053-duplex-stainless-steel-pipe.webp",
      "grade": "2205 duplex",
      "uns": "S32205 / S31803",
      "material": "Duplex stainless steel",
      "standards": [
        "ASTM A789",
        "ASTM A790",
        "ASME SA789",
        "ASME SA790",
        "EN 10216-5",
        "DIN 17456 / DIN 17458 (legacy reference review)",
        "NORSOK M-650 (qualification review)"
      ]
    },
    {
      "id": "S32750SuperDuplexPipe",
      "name": "2507 Super Duplex (UNS S32750) Stainless Steel Pipe",
      "slug": "s32750-super-duplex-steel-pipe",
      "url": "https://jundapipe.com/products/s32750-super-duplex-steel-pipe",
      "summary": "ASTM A789 / A790 super duplex stainless steel pipe.",
      "description": "2507 super duplex (UNS S32750) seamless pipe to ASTM A789 / A790. Made to order for seawater, offshore and desalination service; request a technical quote.",
      "family": "Duplex & super duplex steel pipes (2205 / 2507)",
      "familySlug": "super-duplex-steel-pipes",
      "image": "https://jundapipe.com/assets/img/Products/SuperDuplexSteelPipes/s32750-super-duplex-steel.webp",
      "grade": "2507 super duplex",
      "uns": "S32750",
      "material": "Super duplex stainless steel",
      "standards": [
        "ASTM A789",
        "ASTM A790",
        "ASME SA789",
        "ASME SA790",
        "EN 10216-5",
        "DIN 17456 / DIN 17458 (legacy reference review)",
        "NORSOK M-650 (qualification review)"
      ]
    },
    {
      "id": "ExtraLongStainlessSteelTube",
      "name": "Extra-long Stainless Steel Tube",
      "slug": "extra-long-stainless-steel-tube",
      "url": "https://jundapipe.com/products/extra-long-stainless-steel-tube",
      "summary": "Precision long-length stainless steel tubing.",
      "description": "Extra-long Stainless Steel Tube from Junda's Stainless steel precision tubing range. Made to order; send the grade, size, standard and inspection scope for a technical quotation.",
      "family": "Stainless steel precision tubing",
      "familySlug": "stainless-steel-precision-tubing",
      "image": "https://jundapipe.com/assets/img/Products/StainlessSteelPrecisionPipes/extra-long-tube.webp"
    },
    {
      "id": "FineRolledThickWalledPipe",
      "name": "Fine-rolled Thick-walled Stainless Steel Pipe",
      "slug": "fine-rolled-thick-walled-stainless-steel-pipe",
      "url": "https://jundapipe.com/products/fine-rolled-thick-walled-stainless-steel-pipe",
      "summary": "Precision thick-wall stainless steel tubing.",
      "description": "Fine-rolled Thick-walled Stainless Steel Pipe from Junda's Stainless steel precision tubing range. Made to order; send the grade, size, standard and inspection scope for a technical quotation.",
      "family": "Stainless steel precision tubing",
      "familySlug": "stainless-steel-precision-tubing",
      "image": "https://jundapipe.com/assets/img/Products/StainlessSteelPrecisionPipes/fine-rolled-thick-walled-pipes.webp"
    },
    {
      "id": "FineRolledThinWalledPipe",
      "name": "Fine-rolled Thin-walled Stainless Steel Pipe",
      "slug": "fine-rolled-thin-walled-stainless-steel-pipe",
      "url": "https://jundapipe.com/products/fine-rolled-thin-walled-stainless-steel-pipe",
      "summary": "Precision thin-wall stainless steel tubing.",
      "description": "Fine-rolled Thin-walled Stainless Steel Pipe from Junda's Stainless steel precision tubing range. Made to order; send the grade, size, standard and inspection scope for a technical quotation.",
      "family": "Stainless steel precision tubing",
      "familySlug": "stainless-steel-precision-tubing",
      "image": "https://jundapipe.com/assets/img/Products/StainlessSteelPrecisionPipes/fine-rolled-thin-walled-pipes.webp"
    },
    {
      "id": "RectangularHeatTransferTube",
      "name": "Rectangular Stainless Steel Heat Transfer Tube",
      "slug": "rectangular-stainless-steel-heat-transfer-tube",
      "url": "https://jundapipe.com/products/rectangular-stainless-steel-heat-transfer-tube",
      "summary": "ASTM A688 / A213 rectangular heat-transfer tube.",
      "description": "Rectangular Stainless Steel Heat Transfer Tube from Junda's Heat exchanger U-bend tubes & stainless steel profile tubing range. Made to order; send the grade, size, standard and inspection scope for a technical quotation.",
      "family": "Heat exchanger U-bend tubes & stainless steel profile tubing",
      "familySlug": "stainless-steel-profile-tubing",
      "image": "https://jundapipe.com/assets/img/Products/StainlessSteelSpecial-shapedPipes/rectangular-heat-transfer-tubes.webp"
    },
    {
      "id": "StainlessSteelUPipe",
      "name": "Heat Exchanger U-Bend Tubes (ASTM A688 / A213)",
      "slug": "heat-exchanger-u-bend-tubes",
      "url": "https://jundapipe.com/products/heat-exchanger-u-bend-tubes",
      "summary": "U-bend radius, leg lengths and centre distance built from the exchanger drawing.",
      "description": "Heat exchanger U-bend tubes to ASTM A688 / A213 in 304L, 316L, 321, 2205, 2507 or Inconel 625. Bend radius and leg lengths to the exchanger drawing.",
      "family": "Heat exchanger U-bend tubes & stainless steel profile tubing",
      "familySlug": "stainless-steel-profile-tubing",
      "image": "https://jundapipe.com/assets/img/Products/StainlessSteelSpecial-shapedPipes/stainless-steel-u-pipe.webp"
    },
    {
      "id": "C4KY704HighSiliconSteel",
      "name": "C4 (KY704) High-Silicon Steel Tube",
      "slug": "c4-ky704-high-silicon-steel",
      "url": "https://jundapipe.com/products/c4-ky704-high-silicon-steel",
      "summary": "Specialty high-silicon steel tube; project specification governs.",
      "description": "C4 (KY704) high-silicon steel tube for specialty severe-service applications. Project specification and heat treatment are confirmed before quotation.",
      "family": "Nickel superalloy & aerospace seamless tubing",
      "familySlug": "military-grade-seamless-pipe",
      "image": "https://jundapipe.com/assets/img/Products/SeamlessPipesMilitaryStandards/c4-ky704-manufactures-high-silicon-steel-for-tnt.webp",
      "grade": "C4 (KY704) high-silicon steel",
      "uns": "—",
      "material": "Specialty high-silicon steel",
      "standards": [
        "AMS 5589 (seamless tubing)",
        "Project-specific aerospace material specification"
      ]
    },
    {
      "id": "GH4163Steel",
      "name": "Alloy C263 / Nimonic 263 (UNS N07263 / GH4163) Seamless Tubing",
      "slug": "gh4163-steel",
      "url": "https://jundapipe.com/products/gh4163-steel",
      "summary": "High-temperature aerospace and gas-turbine seamless tubing.",
      "description": "Alloy C263 / Nimonic 263 (UNS N07263 / GH4163) seamless tubing for high-temperature aerospace and gas-turbine service. Request a project review.",
      "family": "Nickel superalloy & aerospace seamless tubing",
      "familySlug": "military-grade-seamless-pipe",
      "image": "https://jundapipe.com/assets/img/Products/SeamlessPipesMilitaryStandards/gh4163-naval-torpedo-launcher-steel.webp",
      "grade": "Alloy C263 / Nimonic 263",
      "uns": "N07263",
      "material": "Nickel alloy",
      "standards": [
        "AMS 5589 (seamless tubing)",
        "Project-specific aerospace material specification"
      ]
    },
    {
      "id": "NO8347SeamlessPipe",
      "name": "N08347 Nickel Alloy Seamless Pipe",
      "slug": "uns-n08347-nickel-alloy-seamless-pipe",
      "url": "https://jundapipe.com/products/uns-n08347-nickel-alloy-seamless-pipe",
      "summary": "N08347 nickel alloy pipe; project specification governs.",
      "description": "N08347 nickel alloy seamless pipe from Junda. Send the UNS designation, dimensions, heat-treatment condition and inspection standard for a technical quote.",
      "family": "Nickel superalloy & aerospace seamless tubing",
      "familySlug": "military-grade-seamless-pipe",
      "image": "https://jundapipe.com/assets/img/Products/SeamlessPipesMilitaryStandards/no8347.webp",
      "grade": "N08347",
      "uns": "N08347",
      "material": "Nickel alloy",
      "standards": [
        "AMS 5589 (seamless tubing)",
        "Project-specific aerospace material specification"
      ]
    },
    {
      "id": "GH4169SuperalloyPipe",
      "name": "Inconel 718 (UNS N07718 / GH4169) Aerospace Seamless Tubing",
      "slug": "gh4169-superalloy-pipe",
      "url": "https://jundapipe.com/products/gh4169-superalloy-pipe",
      "summary": "AMS 5589 aerospace seamless tubing.",
      "description": "Inconel 718 (UNS N07718 / GH4169) aerospace seamless tubing to AMS 5589. Made to order; send the drawing and inspection scope for review.",
      "family": "Nickel superalloy & aerospace seamless tubing",
      "familySlug": "military-grade-seamless-pipe",
      "image": "https://jundapipe.com/assets/img/Products/SeamlessPipesMilitaryStandards/superalloy-gh4169.webp",
      "grade": "Inconel 718",
      "uns": "N07718",
      "material": "Nickel alloy",
      "standards": [
        "AMS 5589 (seamless tubing)",
        "Project-specific aerospace material specification"
      ]
    }
  ],
  "resources": [
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      "title": "Short site summary",
      "url": "https://jundapipe.com/llms.txt"
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      "title": "AI discovery feed",
      "url": "https://jundapipe.com/ai-discovery.json"
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      "title": "MCP product catalogue",
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    {
      "title": "Agent index",
      "url": "https://jundapipe.com/index.md"
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    {
      "title": "Product catalogue",
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      "title": "Quality and inspection summary",
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    {
      "title": "Company profile",
      "url": "https://jundapipe.com/about.md"
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    {
      "title": "Contact information",
      "url": "https://jundapipe.com/contact.md"
    },
    {
      "title": "Canonical sitemap",
      "url": "https://jundapipe.com/sitemap.xml"
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    {
      "title": "API catalog (RFC 9727)",
      "url": "https://jundapipe.com/.well-known/api-catalog"
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      "url": "https://jundapipe.com/.well-known/openapi/contact.json"
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    {
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      "url": "https://jundapipe.com/auth.md"
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}