... 600LBS, 900LBS,1500LBS, 2500LBS) Blind/ Slip-on/ Welding Neck/ Plate/ Socket weld/ Threaded/ Lap Joint FlangeANSI B16.47 Series ... 2573 PN 6 and DIN 2576 PN10 Slip on Welding Flanges, DIN 2631 PN6, DIN 2632 PN10, DIN ... , 1.4571 etc.ASTM SA/A182 F304, F304L, F316, F316L, F316Ti, F321 etc.SUS F304, SUS F304L, SUS F316, ... :A105,A350LF2,A694,F50,F60,F70,A182,F11,F5,F22,F304,F316,F321,F304L,F316L,Q235,20#, ...