Blind Flange

FF, RF, MFM, TG, RJ
Steel Grade:
Carbon Stee: 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;
Stainess Steel: ASTM A182 F304,304L, F316,316L,1Cr18Ni9Ti,0Cr18Ni9Ti,321,18-8;
Alloy Steel: ASTM A182 F1, F5a, F9, F11, F12, F22,F91,A182F12,A182F11,16MnR,Cr5Mo,12Cr1MoV,15CrMo,12Cr2Mo1,A335P22, St45.8/III;
Standard:
HG20601-1997, ANSI B16.5, HG20622-1997, GB/T9123.1-2000, GB/T9123.4-2000