1.SS ANSI B16.5 Lap Joint Flange 2.Type:flange 2.Material:Stainless ... :ISO9001:2000 4.Size: 0.5-48 1.SS ANSI B16.5 Lap Joint Flange2. Material:Stainless Steel:such as 201 ... ,chemical,power,gas,water,linepipe, heat exchanger,shipbuilding,construction,etc.19. Tolerance:not less than +_8% of normal wall thickness.20 ...