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SA633 Grade E. The SA633 Grade E specification is the Standard Specification for Normalized High-Strength Low-Alloy Structural Steel Plates when superior notch toughness is needed at low temperatures. Grades C is available up to 4" in thickness and Grade E is available up to 6" in thickness.
ASME SA633/SA633M Grade A Steel Coil
| C max | Si | Mn | P max | S max | Cu max |
| 0.18 | 0.15–0.50 | 1.00–1.35 | 0.035 | 0.04 | 0.05 |
| Thickness(mm) | Yield strength (≥Mpa) | Tensile strength (≥Mpa) | Elongation in ≥% | ||
| T≤65 | 290 | 430-570 | 200mm | 50mm | |
| 65<T≤100 | 290 | 430-570 | |||
| 100<T | - | - | 18 | 23 | |
| C max | Si | Mn | P max | S max | Cu max |
| 0.20 | 0.15–0.50 | 1.15–1.50 | 0.035 | 0.04 | 0.01-0.05 |
| Yield Strength (MPa) min. | Tensile Strength (MPa) | Elongation in 8 in. min. % | Elongation in 2 in. min. % | ||
| 345 | 485 - 620 | 18 | 23 | ||
| C max | Si | Mn | P max | S max | Cu |
| 0.20 | 0.15–0.50 | 0.70–1.35 | 0.035 | 0.04 | - |
| Yield Strength (MPa) min. | Tensile Strength (MPa) | Elongation in 8 in. min. % | Elongation in 2 in. min. % | ||
| 345 | 485 - 620 | 18 | 23 | ||
| C max | Si | Mn | P max | S max | V | Ni max |
| 0.22 | 0.15–0.50 | 1.15–1.50 | 0.035 | 0.04 | 0.04-0.11 | 0.03 |
| Yield Strength (MPa) min. | Tensile Strength (MPa) | Elongation in 8 in. min. % | Elongation in 2 in. min. % | |||
| 345 | 485 to 620 | 18 | 23 | |||
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