| GRADE | CARBON | MANGANESE | PHOSPHORUS | SULFUR | SILICON |
| A36 UP TO 3/4” THICK | 0.25% | N/A | 0.03% | 0.03% | 0.40% |
| A36 >3/4 – 1 ½” THICK | 0.25% | 0.80-1.20% | 0.03% | 0.03% | 0.15-0.40% |
| A36 > 1 ½ - 2 ½” THICK | 0.26% | 0.80-1.20% | 0.03% | 0.03% | 0.15-0.40% |
| A36 >2 ½ - 4” THICK | 0.27% | 0.85-1.20% | 0.03% | 0.03% | 0.15-0.40% |
| A36 >4” THICK | 0.29% | 0.85-1.20% | 0.03% | 0.03% | 0.15-0.40% |
| A572 GRADE 42 | 0.21% | 1.35% | 0.03% | 0.03% | 0.15-0.40% |
| A572 GRADE 50 | 0.23% | 1.35% | 0.03% | 0.03% | 0.15-0.40% |
| A830 GRADE 1020 | 0.18-0.23% | 0.30-0.60% | 0.03% | 0.03% | N/A |
