... ,2205,Duplex ,Titanium,Titanium alloy and others . 2) Standards: ASTM A312/A269/A213/SAE 789/ SAE 7903) O.D.: 6-630 ... /H/T, Incoloy 825Special MetarialCustom produced per your requirements.SpecificationASTM/ASME A312, A269, A213, A511, A789, A790ASTM SB163, SB165, SB167, SB407, SB423 ...