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| General Classification | "ASTM" Symbols | Service | |
| Casting | Forgings | Temp | |
| High-Temperature | |||
| Cast Iron | A126-Class B | 250° C | |
| Cast Iron | A126-Class C | 250° C | |
| Carbon Steel | A216-WCA | 420° C | |
| Carbon Steel | A216-WCB | A105 | 420° C |
| 1/2Mo Steel | A217-WC1 | A182-F1 | 500° C |
| 1¼Cr-1/2Mo | A217-WC6 | A182-F11 | 550° C |
| 2¼Cr-1Mo | A217-WC9 | A182-F22 | 600° C |
| 5Cr1/2Mo | A217-C5 | A182-F5a | 600° C |
| 9Cr-1Mo | A217-C12 | A182-F9 | 650° C |
| Low-Temperature | |||
| Al Stel | A352-LCB,LCC | A350-LF2 | -46° C |
| 1/2 Mo Steel | A352-LC1 | -60° C | |
| 2½ Ni Steel | A352-LC2 | -73° C | |
| 3½ Ni Steel | A352-LC3 | A350-LF3 | -101° C |
| Stainless Steel | |||
| 13Cr-1/2Mo | A217-CA15 | A182-F6a | 550° C |
| 18Cr-8Ni(Co.03) | A351-CF3 | A182-F304L | F304L 800° C |
| 18Cr-8Ni(Co.08) | A351-CF8 | A182-F304 | F304 800° C |
| 18Cr-8Ni-2Mo(Co.03) | A351-CF3M | A182-F316L | F316L 800° C |
| 18Cr-8Ni-2Mo(Co.08) | A351-CF8M | A182-F316 | F316 800° C |
| 18Cr-8Ni-Ti | A182-F321 | F321 800° C | |
| 18Cr-8Ni-Cb | A351-CF8M | A182-F347 | F347 800° C |
| 22Cr-12Ni | A351-CH20 | 1200° C | |
| 23Cr-19Ni | A351-CK20 | 1200° C | |
| 19Cr-27Ni-2Mo-3Cu | A351-CN7M | 1200° C | |