1) Forging Stainless Steel Flange 2) Dual certified to ASME/ASTM ... , Grades (stainless steel) Available:EN10222-5/DIN17440: 1.4301, 1.4306/1.4307, 1.4401, 1.4404 and 1.4541, 1.4571 etc.ASTM ... SUS F316, SUS F316L, SUS F321 etcMainly Flange Standards Available::1) ANSI B16.5 150LBS (300LBS, 600LBS, 900LBS,1500LBS, ... PN6 and DIN 2642 PN10 Lapped Flanges3) EN 1092-1 Flanges (PN2.5bar- PN400bar).4) BS 10 ...