ASTM A588 Grade A C Mn P S SI Ni Cr Mo Cu V Nb ≤0.19 0.8-1.25 ≤0.04 ≤0.05 0.3-0.65 ≤0.04 0.4-0.65 ~
ASTM A588 Grade A
| C | Mn | P | S | SI | Ni | Cr | Mo | Cu | V | Nb |
| ≤0.19 | 0.8-1.25 | ≤0.04 | ≤0.05 | 0.3-0.65 | ≤0.04 | 0.4-0.65 | ~ | 0.25-0.5 | 0.02-0.1 | ~ |
| Yield Strength Mpa | Tensile Strength Mpa | Elongation % in 200mm | Elongation % in 50mm | Thickness | ||||||
| ≥345 | ≥485 | 18 | 21 | less 100mm | ||||||
| ≥315 | ≥460 | 100-125mm | ||||||||
| ≥290 | ≥435 | 125-200mm | ||||||||
ASTM A588 Grade B
| C | Mn | P | S | SI | Ni | Cr | Mo | Cu | V | Nb |
| ≤0.19 | 0.8-1.25 | ≤0.04 | ≤0.05 | 0.3-0.65 | ≤0.4 | 0.4-0.65 | ~ | 0.25-0.4 | 0.02-0.1 | ~ |
| Yield Strength Mpa | Tensile Strength Mpa | Elongation % in 200mm | Elongation % in 50mm | Thickness | ||||||
| ≥345 | ≥485 | 18 | 21 | less 100mm | ||||||
| ≥315 | ≥460 | 100-125mm | ||||||||
| ≥290 | ≥435 | 125-200mm | ||||||||
ASTM A588 Grade C
| C | Mn | P | S | SI | Ni | Cr | Mo | Cu | V | Nb |
| ≤0.15 | 0.8-1.25 | ≤0.04 | ≤0.05 | 0.15-0.5 | 0.25-0.5 | 0.5 | ~ | 0.20-0.5 | 0.01-0.1 | ~ |
| Yield Strength Mpa | Tensile Strength Mpa | Elongation % in 200mm | Elongation % in 50mm | Thickness | ||||||
| ≥345 | ≥485 | 18 | 21 | less 100mm | ||||||
| ≥315 | ≥460 | 100-125mm | ||||||||
| ≥290 | ≥435 | 125-200mm | ||||||||
ASTM A588 Grade K
| C | Mn | P | S | SI | Ni | Cr | Mo | Cu | V | Nb |
| ≤0.17 | 0.5-1.2 | ≤0.04 | ≤0.05 | 0.25-0.65 | ≤0.04 | 0.4-0.7 | 0.1 | 0.3-0.5 | 0.005-0.05 | ~ |
| Yield Strength Mpa | Tensile Strength Mpa | Elongation % in 200mm | Elongation % in 50mm | Thickness | ||||||
| ≥345 | ≥485 | 18 | 21 | less 100mm | ||||||
| ≥315 | ≥460 | 100-125mm | ||||||||
| ≥290 | ≥435 | 125-200mm | ||||||||
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