| Chemical Composition and Mechanical Property For GB5310-200 | |||||||||||||
| Steel Grade | Chemical Composition | Mechanical performance | |||||||||||
| C(Max) | Mn | P(Max) | S(Max) | Si | Ni(Max) | Cr(Max) | Mo(Max) | Tensile Strength (Min) |
Yield Strength (Min) |
Elongation (Min) |
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| (Min) | |||||||||||||
| ksi | Mpa | ksi | Mpa | % | |||||||||
| 20G | 0.17-0.23 | 0.35-0.65 | 0.025 | 0.025 | 0.17-0.37 | 0.25 | 0.25 | 0.15 | 60-80 | 415-550 | 35 | 245 | 40 |