1.SS ANSI B16.5 Lap Joint Flange 2.Type:flange 2.Material:Stainless ... : 0.5-48 1.SS ANSI B16.5 Lap Joint Flange2. Material:Stainless Steel:such as 201, 301 , ... 40"6. Type:Slip-on flanges, Blind flanges, Lap joint flanges, Welding neck flanges,Plate flange,7. Socket welding ... third party.18. Used for : petroleum,chemical,power,gas,water,linepipe, heat exchanger,shipbuilding,construction,etc.19. Tolerance ...