... StandardsASTMA182,ANSI B16.9, ANSI B16.28, EN10253-2, EN1092-1,JIS B2313,DIN2605,Stainless Steel 304, 304L, 310S, 309S, ... Class150LB, 300LB, 400LB, 600LB, 900LB,1500LB, etc.TypePlate type Flat Welding Flange,Slip on Neck Flange,Welding Neck Flange ... 309S, 316, 316L, 317, 317L, 321201, 202, TechniqueForgedSizeDN15~DN1200 (1/2''~48'')ThicknessSCH5~XXSOur company certificate:contact way: stainless steel ...