Valve body material technical performance table

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Valve body material technical performance table Material name Material grade Applicable working conditions American ANSI/ASTM standard China GB standard Casting forging Casting forging Use temperature ℃ Mainly applicable medium Carbon steel WCB A105 ZG251125/20Mh -29-427 Water, steam, air and petroleum products, etc. Alloy steel WC1 F1 // -29-454 Steam, petroleum products, etc. (mainly used for high temperature and high pressure valves) C5 F5 ZGCr5Mo2Cr5Mo -29—650WC6 F11 ZG20CrMoV15CrMo 12CrMoV -29—552WC9 F22 ZG15Cr1Mo1V 12Cr1MoV 25Cr2MoV 20Cr1Mo1VA -29—595 Carbon steel for low temperature LCB LF1 / / -46—345 Steam, petroleum products, etc. (mainly used for cryogenic valves) Chromium-nickel stainless steel CF8 304 ZG0Cr18Ni9Ti ZG0Cr18Ni12Mo2Ti 0Cr19Ni9 0Cr18Ni12Mo2Ti -196-800 Nitric acid and other corrosive media Chromium-nickel-molybdenum stainless steel CF8M 316 -196-800 Acetic acid and urea and other corrosive media Chromium-nickel ultra-low carbon stainless steel CF3 304L 00Cr19Ni11 -196—425 Corrosive media such as nitric acid, chromium nickel molybdenum ultra-low carbon stainless steel CF3M 316L 00Cr17Ni14Mo2 -196—455 Corrosive media such as acetic acid, urea, etc. Alloy No. 20 CN7M B462 ZG0Cr20Ni29Cu4Mo2 0Cr20Ni35Mo3Cu4Nb -196-450 sulfuric acid, phosphoric acid, hydrofluoric acid, dilute hydrochloric acid (mainly used for sulfuric acid) N08020 No. 40 alloy CD-4MCu S32550 ZG0Cr25Ni5Mo2Cu3 0Cr25Ni5Mo2Cu3 -196-450 phosphoric acid, sulfuric acid, phosphate (mainly used for phosphoric acid) Fnalium255 Monel alloy M-30C No4400 NiCu28-2.5-1.5 -196—580 hydrofluoric acid, hydrochloric acid, sulfuric acid, chloride, caustic alkali (mainly used for hydrofluoric acid) No4405 k400 k500