grade has the following values:
| Value | Description |
|---|---|
| A | Normal strength steel. Ref. IACS UR W11. |
| B | Normal strength steel. Ref. IACS UR W11. |
| C | Normal strength steel. Ref. IACS UR W11. |
| D | Normal strength steel. Ref. IACS UR W11. |
| A32 | High strength steel. Ref. IACS UR W11. |
| D32 | High strength steel. Ref. IACS UR W11. |
| E32 | High strength steel. Ref. IACS UR W11. |
| F32 | High strength steel. Ref. IACS UR W11. |
| A36 | High strength steel. Ref. IACS UR W11. |
| D36 | High strength steel. Ref. IACS UR W11. |
| E36 | High strength steel. Ref. IACS UR W11. |
| F36 | High strength steel. Ref. IACS UR W11. |
| A40 | High strength steel. Ref. IACS UR W11. |
| D40 | High strength steel. Ref. IACS UR W11. |
| E40 | High strength steel. Ref. IACS UR W11. |
| F40 | High strength steel. Ref. IACS UR W11. |