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Different Materials are used under different working conditions. here the below list was edited by VerSpec valve technical dept.
hope can help a lot. any valve problem you faced, you can contact Verspec technical team for free: tech@verspec.com
| Material | Material State | Chinese Material Mark | USA Material Mark | Temp. Range | ||
| Standard | Material Mark | Standard | Material Mark | |||
| Cast Iron | Casting | GB/T 12226 | HT200 | ASTM A126 | Gr.B | 0～200℃ |
| GB/T 12226 | HT250 | ASTM A126 | Gr.C | |||
| Ductile Iron | Casting | GB/T 12227 | QT400-18 | ASTM A536 | 60-40-18 | 0～350℃ |
| GB/T 12227 | QT450-10 | ASTM A536 | 65-45-12 | |||
| Carbon steel | Casting | GB/T 12229 | WCB | ASTM A216 | WCB | -29～450℃ |
| Forging | GB/T 12228 | 25 | ASTM A105 | |||
| GB/T 700 | Q235A | ASTM A283 | Gr.C | 0～350 | ||
| Stainless Steel | Casting | GB/T 12230 | CF8 | ASTM A351 | CF8 | -254～816℃ |
| GB/T 12230 | CF8M | ASTM A351 | CF8M | |||
| GB/T 12230 | CF3 | ASTM A351 | CF3 | -254～425℃ | ||
| GB/T 12230 | CF3M | ASTM A351 | CF3M | -254～450℃ | ||
| — | — | ASTM A995 | 4A | -46～315℃ | ||
| — | — | ASTM A995 | 6A | -101～315℃ | ||
| Forging | GB/T 1220 | 0Cr18Ni9 | ASTM A182 | F304 | -254～816℃ | |
| GB/T 1220 | 0Cr17Ni12Mo2 | ASTM A182 | F316 | |||
| GB/T 1220 | 00Cr19Ni10 | ASTM A182 | F304L | -254～425℃ | ||
| GB/T 1220 | 00Cr17Ni14Mo2 | ASTM A182 | F316L | -254～450℃ | ||
| GB/T 1220 | 022Cr22Ni5Mo3N | ASTM A182 | S31803 | -46～315℃ | ||
| GB/T 1220 | 022Cr25Ni7Mo4N | ASTM A276 | S32760 | -101～315℃ | ||
| High Temperature Steel | Casting | JB/T 5263 | WC6 | ASTM A217 | WC6 | -29～593℃ |
| JB/T 5263 | WC9 | ASTM A217 | WC9 | -29～593℃ | ||
| JB/T 5263 | C12A | ASTM A217 | C12A | -29～650℃ | ||
| Forging | NB/T 47008 | 15CrMo | ASTM A182 | F11 | -29～593℃ | |
| NB/T 47008 | 12Cr2Mo1 | ASTM A182 | F22 | -29～593℃ | ||
| NB/T 47008 | 10Cr9Mo1VNb | ASTM A182 | F91 | -29～650℃ | ||
| Low Temperature Steel | Casting | JB/T 7248 | LCB | ASTM A352 | LCB | ≥-46℃ |
| JB/T 7248 | LC1 | ASTM A352 | LC1 | ≥-59℃ | ||
| JB/T 7248 | LC2 | ASTM A352 | LC2 | ≥-73℃ | ||
| JB/T 7248 | LC3 | ASTM A352 | LC3 | ≥-101℃ | ||
| Forging | — | — | ASTM A350 | LF2 | ≥-46℃ | |
| — | — | ASTM A350 | LF5 | ≥-59℃ | ||
| — | — | ASTM A350 | LF9 | ≥-73℃ | ||
| — | — | ASTM A350 | LF3 | ≥-101℃ |
