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Grade | Thickness(mm) | C max | Mn max | P max | S max | Si max | Mo |
A204 Grade C | t≤25 | 0.23 | 0.90 | 0.025 | 0.025 | 0.15-0.40 | 0.45-0.60 |
25<t≤50 | 0.26 | ||||||
50<t≤100 | 0.28 | ||||||
100<t | 0.28 |
Grade | Yield strength ReH MPa min | Tensile strength Rm MPa | Elongation A% min | |
50mm | 200mm | |||
A204 Grade C | 295 | 515-655 | 20 | 16 |
Others steel grades steel plate for pressure vessel and boiler equipment in the standard ASTM A204/A204M and ASME SA204/SA204M:
A204 Grade A Molybdenum alloy steel plate for pressure vessels,
A204 Grade B Molybdenum alloy steel plate for pressure vessels,
SA204 Grade A Molybdenum alloy steel plate for pressure vessels,
SA204 Grade B Molybdenum alloy steel plate for pressure vessels,
SA204 Grade C Molybdenum alloy steel plate for pressure vessels,