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321 / 321H Seamless Stainless Steel Pipe

Made to order

321 / 321H Seamless Stainless Steel Pipe is manufactured in Junda's Austenitic stainless steel seamless pipe (304 / 316L / 321 / 347H) range. Send the required size, standard and inspection scope for a technical quotation.

All products are made to order. Length, outside diameter, wall thickness and profile dimensions are customized to your drawing. Send the required dimensions and tolerances for manufacturing review.

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Technical specifications

Made to order
Product
321 / 321H Seamless Stainless Steel Pipe
Dimensions
Custom outside diameter × wall thickness × length; tolerances agreed for each order.
Schematic · Ø outside diameter · t wall · L length

Chemical composition and mechanical properties are available with the mill certificate for the supplied heat. Send the required grade and standard for a technical quotation.

Grade and standards

Grade
321 / 321H
UNS
S32100 / S32109
Typical ASTM / ASME
ASTM A312 · ASTM A213 · ASTM A269 · ASTM A376 · ASME SA312 · ASME SA213 · EN 10216-5 · DIN 17456 / DIN 17458 (legacy reference review)
Typical applications
Oil and gas processing · Power generation and boilers · Chemical and petrochemical plants · Pharmaceutical and food processing · Heat exchangers

TP304/304L, TP316/316L, TP321/321H, TP347/347H and TP310S designations are confirmed against the ordered ASTM/ASME specification. EN, DIN, GB and JIS equivalents are confirmed against the project specification on request.

Need a project-specific review?

Send the material designation, required dimensions, quantity, destination, target delivery date and inspection requirements so the Junda team can review the request.

Request a technical quoteRFQ worksheet (English · TXT)

Information to include in your enquiry

  1. Material grade or product family
  2. Custom outside diameter × wall thickness × length; tolerances agreed for each order.
  3. Quantity and target delivery location
  4. Applicable standard and inspection requirements
  5. Target delivery date and project notes

Continue your research

What is confirmed for 321 / 321H Seamless Stainless Steel Pipe?

This page summarises the grade, typical standards and product form. The quotation confirms the exact dimensions, heat treatment, test programme and documents.

Where does 321 / 321H Seamless Stainless Steel Pipe sit in the catalogue?

321 / 321H Seamless Stainless Steel Pipe is manufactured in the Austenitic stainless steel seamless pipe (304 / 316L / 321 / 347H) group. The page shows the grade designation, typical standards, product form and the technical documents available with the order.

Are dimensions, MOQ and lead time published here?

Dimensions, tolerances, lengths, supply condition, inspection documents, minimum order quantity and lead time are confirmed in the quotation. The company range φ6–φ630 mm by 0.2–80 mm is a manufacturing range, not a stock list for this grade.

What should I include in a pipe enquiry?

Email sales@jundapipe.com or use the contact form. Include the material grade or product family, outside diameter × wall thickness × length, quantity and destination, the applicable standard and inspection requirements, and a target delivery date if you have one. Phone is optional. Dimensions, minimum order quantity and lead time are confirmed in the quotation.