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Grade | Thickness(mm) | C max | Mn max | P max | S max | Si max | Cu max | Ni max | Cr max | Mo max | V max | Co max | Co+V max |
SA738 Grade A | t≤65 | 0.24 | 1.50 | 0.025 | 0.025 | 0.15-0.50 | 0.35 | 0.50 | 0.25 | 0.08 | 0.07 | 0.04 | 0.08 |
65<t | 1.60 |
Grade | Thickness(mm) | Yield strength ReH MPa min | Tensile strength Rm MPa | Elongation A% min |
SA738 Grade A | t≤100 | 310 | 515-655 | 20 |
100<t |
Others steel grades steel plate for pressure vessel and boiler equipment in the standard ASTM A738/A738M and ASME SA738/SA738M:
A738 Grade A steel plate for pressure vessels,
A738 Grade B steel plate for pressure vessels,
A738 Grade C steel plate for pressure vessels,
A738 Grade D steel plate for pressure vessels,
A738 Grade E steel plate for pressure vessels,
SA738 Grade B steel plate for pressure vessels,
SA738 Grade C steel plate for pressure vessels,
SA738 Grade D steel plate for pressure vessels,
SA738 Grade E steel plate for pressure vessels