Major shell material grade, temp. range and applicable medium of casting and forging for industrial valves
ASTM casting | ASTM forging | GB | Temp. Range ° C | Applicable medium |
Carbon steel | ||||
A216 WCB | A105 | 20 | -29 ~ 427 | Water, liquefied gas, steam, oil, natural gas |
Low-temperature carbon steel | ||||
A352 LCB | A350 LF2 | 16Mn | -46 ~ 343 | Low temperature medium |
A352 LCC | A350 LF2 | 16Mn | -46 ~ 343 | Low temperature medium |
High temperature alloy steel | ||||
A217 WC1 | A182 F1 | -29 ~ 468 | High temperature medium | |
A217 WC6 | A182 F11 | 15CrMo | -29 ~ 593 | High temperature medium |
A217 WC9 | A182 F22 | 10Cr2Mo1 | -29 ~ 593 | High temperature medium |
A217 C5 | A182 F5 | 1Cr 5Mo | -29 ~ 593 | Corrosive high-temperature media |
A217 C12 | A182 F9 | -29 ~ 593 | High sulfur oxidizing medium | |
Martensitic stainless steel | ||||
A217 CA15 | A182 F6a | 1Cr13 | -29 ~ 371 | Above 450 ° C, lower strength than 304 |
Austenitic stainless steel (C≤0.08) | ||||
A351 CF8 | A182 F304 | 0Cr18Ni9 | -196 ~ 537 | Corrosive medium |
A351 CF8M | A182 F316 | 0Cr18Ni12Mo2Ti | -196 ~ 537 | Corrosive medium |
Ultra-low carbon austenitic stainless steel (C≤0.03) | ||||
A351 CF3 | A182 F304L | 00Cr18Ni 10 | -196 ~ 427 | Corrosive medium |
A351 CF3M | A182 F316L | 00Cr18Ni14Mo2 | -196 ~ 454 | Corrosive medium |
Special alloy | ||||
A351 CN7M | UNS N08020 (ALLOY 20) | -29 ~ 149 | Oxidizing medium and various concentrations of sulfuric acid | |
Monel alloy M-30C | UNS N04400 MONEL 400 | -29 ~ 482 | Hydrofluoric acid, sea water | |
Hastelloy HB HC | HB resistant to hydrochloric acid, dilute sulfuric acid, phosphoric acid, formic acid, acetic acid H. C resistant to mixed acids of nitric acid, nitric acid and sulfuric acid | |||
INCONEL alloy | Hot lye and alkaline sulfide |