... 1/2"-64") 4)MOQ: 1pcs(Carbon/Stainless Steel) 5)FOB:1-89$/pc Socket Welding Flange ... ASME B16.5/B16.47, MSS SP-44ISOJISMaterial(Carbon Steel):ASTM A105,20#,Q235,16Mn, ASTM A350 LF1, ... A182 F304,304L, F316,316L,1Cr18Ni9Ti,0Cr18Ni9Ti,321,18-8(Alloy Steel): ASTM A182 F1, F5a, F9, F11, F12, ... all of our clients with value of the products instead of only low prices!You will get our quick reply! Alloy Steel ...