Stainless Steel Flanges
F347, F347H, F321, F321H, F317L, F316, F316H, F316L, F304, F304H, F04L
( ASTM A182 & ASME SA182 ) - Stainless Steel Flanges
U.S. Metals is a premier worldwide supplier for all your Stainless Steel Flanges A182 / SA182 needs.
Our Stainless Steel Flange inventory is unsurpassed and is considered one of the most extensive stainless steel inventories in the world!
Turnarounds or outages, planned retrofits or emergency situations, grassroots projects worldwide; U.S. Metals has the experienced staff to assist you on all of your stainless steel requirements, no matter how detailed the specification, no matter how difficult the situation.
New industry requirements, not an issue. We work closely with agencies like EPRI along with our utility and refining clients to be on the cutting edge of new industry requirements that affect your high energy/high temperature piping systems.
Our inventory is evolving to meet the new specifications that prevent current issues as creep cracking and hardness problems.
Trade NameGradeUNS #Flanges 304F304S30400A182 / SA182 304LF304LS30403A182 / SA182 304HF304HS30409A182 / SA182 316F316S31600A182 / SA182 316LF316LS31603A182 / SA182 316HF316HS31609A182 / SA182 321F321S32100A182 / SA182 321HF321HS32109A182 / SA182 347F347S34700A182 / SA182 347HF347HS34709A182 / SA182 317LF317LS31703A182 / SA182
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.
- 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.
Refer to ASME B & PV Code Section II for non-identical A/SA requirements.