| Specifications | QUALITY | |||
| JIS G3141 | ASTM | BS 1449 Part 1 | DIN 1623 Sheet 1 | |
| SPCC | A 366 | CR4 | General Use | |
| SPCD | A 619 | CR3 | ST12 | Drawing Quality |
| SPCE | CR2 | ST13 | Deep Drawing Quality | |
| SPCEN | A 620 | CR1 | ST14 | Non-Aging Deep Drawing Quality |
| A 611 | 1623-BL2 ST 37 ST42 |
Structural Quality | ||