A668 Chemical Requirements
| Element | Classes A to F and AH to FH | Classes G to N and GH to NH |
|---|---|---|
| Manganese % max | 1.35 | - |
| Phosphorous % max | 0.050 | 0.040 |
| Sulfur % max | 0.050 | 0.040 |
| Element | Classes A to F and AH to FH | Classes G to N and GH to NH |
|---|---|---|
| Manganese % max | 1.35 | - |
| Phosphorous % max | 0.050 | 0.040 |
| Sulfur % max | 0.050 | 0.040 |