... tempreture rating:ASME B16.34Flange dimension(RF):ANSI B16.5 or JIS B2220Inspection & Test:API598Other standards & custom-made availableMaterials:Cast steel:ASTM A216 WCB ... ,CF8M,CF8C,CF8M,CF10,CF10M,F304,F316etc.Cr-Mo Steel:ASTM A217 WC1,WC6,WC9,C5,C12,C12A,F11,F22etc.Low ... Temperature Steel:ASTM A352 LCA ,LCB,LCC,LC1,LC2,LC2-1,LC3,LC4 ...