... 1pcs(Carbon/Stainless Steel) 5)FOB:1-89$/pc Socket Welding Flange PNDINPN 0.1,0.25,0.6,1.0 ... 0,42.0JIS2K,5K,10K,16K,20K,30K,40K,63KISOSeries A PN1.0,1.6,2.0,5.0,11.0 ... MSS SP-44ISOJISMaterial(Carbon Steel):ASTM A105,20#,Q235,16Mn, ASTM A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2,ASTM A694 F42, F46,F48 ... ,304L, F316,316L,1Cr18Ni9Ti,0Cr18Ni9Ti,321,18-8(Alloy Steel): ASTM A182 F1, F5a, F9, F11, F12, F22, F91,A182F12 ...