... (1/2"-64") 4)MOQ: 1pcs(Carbon/Stainless Steel) 5)FOB:1-89$/pc Socket Welding Flange PNDINPN ... 5/B16.47, MSS SP-44ISOJISMaterial(Carbon Steel):ASTM A105,20#,Q235,16Mn, ASTM A350 LF1, LF2 CL1/CL2, LF3 ... F60, F65, F70(Stainess Steel): ASTM A182 F304,304L, F316,316L,1Cr18Ni9Ti,0Cr18Ni9Ti,321,18-8(Alloy Steel): ASTM A182 F1, F5a, F9, ... prices!You will get our quick reply! Alloy Steel Socket Welding Flange