Stainless Steel Flanges A/SA182
Trade Name Grade UNS# Flanges
304 TP304 S30400 A182 / SA182
304L TP304L S30403 A182 / SA182
304H TP304H S30409 A182 / SA182
316 TP316 S31600 A182 / SA182
316L TP316L S31603 A182 / SA182
316H TP316H S31609 A182 / SA182
321 T321 S32100 A182 / SA182
321H TP321H S32109 A182 / SA182
347 TP347 S34700 A182 / SA182
347H TP347H S34709 A182 / SA182
317L TP317L S31703 A182 / SA182


Work Scope

This specification covers forged stainless steel flanges for use in pressure systems manufactured to specified dimensions or to industry standard dimensional specifications.

For bars and products machined directly from bar refer to Specifications A/SA479/A/SA479M for the similar grades available in this specification. Products made to this specification are limited to a maximum weight of 10 000 lb [4540 kg]. For larger products and products for other applications, refer to Specification A/SA965/A/SA965M for the similar austenitic grades available in this specification.

Supplementary requirements are provided for use when additional testing or inspection is desired. These shall apply when specified individually by the purchaser in the order.

Review of Procurement Requirements:

It is the purchaser’s responsibility to specify in the purchase order all ordering information necessary to purchase the needed material. In addition to the ordering information guidelines in Specifications A/SA961 / A/SA961M, orders should include the following information:

  • Additional requirements, and
  • Description of flange and nominal dimensions (standard or special)
  • Requirement, if any, that manufacturer shall submit drawings for approval showing the shape of the rough forging before machining and the exact location of test specimen material.

If you want to see more, Please contact to us.