Socket Welded Flange(SW)
Standard:
ANSIB16.5,HG20617-1997,GB/T9115.1-2000,HG20595-1997,GB/T9115.1-2000,GB/T9115.4-200.
Material:
Carbon Steel:
ASTM A105, 20#, Q235,16Mn, ASTM A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2,ASTM A694 F42, F46,F48, F50, F52, F56, F60, F65, F70
Stainless Steel: ASTMA182,F304/304L,F316/316L,F321,F347,F44(UNSS31254), 316H , 316Ti, 317L,309S,309H,310S,310H...