1.ANSI,DIN,JIS,KS,EN etc 2.F11/F22/F9 3.150LB 300LB 600LB 900LB 4. Best Quality,competitive price. ... 350Alloy Steel : ASTM A 182, GR F1, F11, F22, F5, F9, F91Nickel Alloys : Monel 400 & 500, Inconel 600 & 625, Incolloy 800 ... , DIN2638, DIN2673B.S : BS4504 , BS4504, BS1560, BS10 B16.5 A182 F9 alloy steel Lap Joint Flange