... ,wooden case or as clients requirment a182 f316/316l Flanges1. Size:1/2"-40"2. Material:Carbon Steel3. Package:carton,wooden case ... , SCH 40, STD,SCH80, SCH 100,SCH 120.SCH160, XXSStandard:ASTM , ASME, JIS, DIN, GB,BSMaterial:Carbon steel, Alloy steel , Stainless steelType ... , constructionSpecial design available as requirementWelcome for your inquiry! A182 F316/316l Stainless Flanges