... 3.150LB 300LB 600LB 900LB 4. Best Quality,competitive price. B16.5 A182 F11 alloy steel Lap Joint Flange This flange ... #,600#,900#, 1500# & 2500 #.StandardANSI : ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48DIN :DIN2527, DIN2566, DIN2573, DIN2576, DIN2641 ... , DIN2635, DIN2636, DIN2637, DIN2638, DIN2673B.S : BS4504 , BS4504, BS1560, BS10 B16.5 A182 F92 alloy steel Lap Joint Flange