... , MSS SP-44ISOJISMaterial(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(Stainess Steel): ASTM A182 ... ,304L, F316,316L,1Cr18Ni9Ti,0Cr18Ni9Ti,321,18-8(Alloy Steel): ASTM A182 F1, F5a, F9, F11, F12, F22, F91,A182F12,A182F11 ...