Specification : ASTM A312 (ASME SA312): Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes ASTM A790 (ASME SA790): Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipes ASTM B423 (ASME SB423): Specification for Nickel-Iron-Chromium-Molybdenum-Copper Alloy (UNS N08825 and N08221) Seamless Pipe and Tube ASTM B407 (ASME SB407): Specification for Nickel-Iron-Chromium Alloy Seamless Pipe and Tube The specifications of JIS G3459 EN 10216-5, DIN 17456, DIN 17458 are available.