... Stainless Steel SS316L API Pipe Fitting Coupling in Hot Sale Stainless Steel Pipe Coupling, Carbon Steel Pipe Coupling, Alloy Steel ... Bends, seamless Bends, pipe joints, etc.Materialcarbon steel, alloy steel, stainless steelStandardASME B16.9 B16.28, ASTM A234 A420 ... sch80,sch100,sch120,sch140,sch160CertificationISO 9001 certified. API. RAW material, Mill cert.Degree45D. 90D. 180DPackingWooden cases, ...