| ASTM Group 2-1.1 Materials | | ASTM Group 2-2.3 Materials |
| Nominal | Forgings | Castings | Plates | | Nominal | Forgings | Castings | Plates |
| Designation | | Designation |
| C-Si | A105(1) | A216 | A515 | | 16Cr 12Ni 2Mo | A182 | … | A240 |
| Gr.WCB(1) | Gr.70(1) | | Gr.F316L | Gr.316L |
| C Mn Si | A350 | … | A516 | | 18Cr 13Ni 3Mo | A182 | … | … |
| Gr.LF2(1) | Gr.70(1),(2) | | Gr.F317L |
| C Mn Si V | A350 | … | A537 | | 18Cr 8Ni | A182 | … | A240 |
| Gr.LF6 Cl 1(3) | Cl.1(4) | | Gr.F304L(1) | Gr.304L(1) |
| 3.1/2Ni | A350 | … | … | | | | | |
| Gr.LF3 | |
| Notes: | | Note: |
| | | (1) Do not use over 425°C. |
| (1) Upon prolonged exposure to temperatures above 425°C, the carbide phase of steel may be converted to graphite. Permissible but not recommended for prolonged use above 425°C. | | | | | |
| (2) Do not use over 455°C. | | |
| (3) Do not use over 260°C. | | |
| (4) Do not use over 370°C. | | |