Detailed Product Description Features: 1) Standard: ASME B16.9, MSS SP-43, HG205099, HG20621 2) Size: 1/2' - 24' (DN15 - DN600) 3) Wall thickness: SCH5S - SCH40S 4) Material: stainless steel, nickel copper 5) Forming type: 1/2'-16' (DN15-DN400) integral cold forming, 18'-24' (DN450-DN600) argon welding forming