... API CE ISO9001 SpecificationsStainless steel,Monel,Inconel,Titanium,Duplex,Alloy,Carbon Steel Pipe Fittings:Elbow,Bend,Tee,Reducers,Coupling, Plug ... Bassed Butt Weld Fitting ( Customised ) . SizeMaterialGrade1"through48"-carbon steel-stainless steel-low temperature steel-high strength steel-ASTM ... /WPC etc), Stainless Steel (304,304L,316,316L), Alloy Steel (P5,P11,P22,P91 etc)StandardASTM, DIN,JIS ...