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Grade | Thickness | C max | Mn | P max | S max | Si | Cu max | Ni max | Cr max | Mo max | Co max | V max | B max | Al min |
A841 Grade F | t≤40 | 0.100 | 1.10-1.70 | 0.020 | 0.008 | 0.10-0.45 | 0.40 | 0.85 | 0.30 | 0.50 | 0.10 | 0.09 | 0.007 | 0.020 |
Grade | Thickness | Yield strength ReH MPa min | Tensile strength Rm MPa | Elongation A% min | ||
In 200mm | In 50mm | |||||
A841 Grade F class 6 | t≤40 | 485 | 565-705 | - | 20 | |
A841 Grade F class 7 | t≤40 | 515 | 590-730 | - | 19 | |
A841 Grade F class 8 | t≤40 | 550 | 620-760 | - | 18 |
Others steel grades steel plate for pressure vessel and boiler equipment in the standard ASTM A841/A841M and ASME SA841/SA841M:
A841 Grade A steel plate for pressure vessels,
A841 Grade B steel plate for pressure vessels,
A841 Grade C steel plate for pressure vessels,
A841 Grade D steel plate for pressure vessels,
A841 Grade E steel plate for pressure vessels,
A841 Grade G steel plate for pressure vessels,
SA841 Grade A steel plate for pressure vessels,
SA841 Grade B steel plate for pressure vessels,
SA841 Grade C steel plate for pressure vessels,
SA841 Grade D steel plate for pressure vessels,
SA841 Grade E steel plate for pressure vessels,
SA841 Grade F steel plate for pressure vessels,
SA841 Grade G steel plate for pressure vessels