ASME SA633 Gr.C/SA633 Grade C structural steel plates own the minimum yield strength at 345Mpa and tensile strength within 485-620Mpa for thickness equal and belows 65mm, and shall be above 315Mpa and tensile strength within 450-590Mpa for thickness above 65mm. Heat treatment of ASME SA633 Gr.C/SA633 Grade C structural steel plates may be subjected to normalling, quench-hardening and tempering, or tempering as necessary. Further, thermomechanical control,or appropriate heat treatment may be applied upon the purchase .
ASME SA633 Gr.C/SA633 Grade C structural steel plates chemical composition and mechanical property:
| Grade | Chemical composition % | ||||||
| SA633 Gr.C | C | Si | Mn | P | S | Mo | Ni |
| ≤0.20 | 0.15-0.50 | 1.15-1.50 | ≤0.035 | ≤0.04 | - | - | |
| Mechanical properties | |||||||
| Yield Strength Mpa | Tensile Strength Mpa | Elongation in 2 in. % | |||||
| ≧315 | 450-620 | ≧23 | |||||
ASME SA633 Gr.C/SA633 Grade C structural steel plates are mainly used in oil, chemical, power station, boiler and other industries, for the production reactor, heat exchangers, separators, spherical tanks, oil and gas pipes, liquefied gas tanks, nuclear reactor pressure shell, boiler drum, liquefied petroleum Gas cylinders, high-pressure water pipes, water turbines and other equipment and components.
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