... 20#, A3, 20G.16Mn, ASTM A234, ASTM A105 and moreStainless steel: ASTMA403, 1Cr18Ni9Ti, 0Cr18Ni9, 00Cr19Ni10, 00Cr17Ni14Mo2, ... 10CrMo910, 15CrMo, 12Cr2Mo1, A335P22, St45.8 and A10bB2.Use: applied to the petroleum, chemical industry electricity, metallurgy, shipbuilding extensively ... fire control and environment protection and more3.Certification; API, ISO4.High quality and service, the best price6.high ...