Socket three pass, usually made of material

The commonly used raw materials for socket pipe fittings are carbon steel, stainless steel, alloy steel, etc..

Carbon steels are commonly used in grades Q235, 20#, A105 and so on;

Stainless steel commonly used grades are 304, 304L, 316, 316L, 321, 00Cr17Ni14Mo2 and so on;

Alloy materials commonly used brands are 15CrMo, 1Cr5Mo, 16Mn, 12Cr1MoV, F11, F22, 10CrMo910 and so on

Other materials: copper alloy, nickel alloy and so on.