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C | Si | Mn | Cr | Ni | £m b Mpa | £m 0.2Mpa | £_ % |
0.15 | 0.65 | 1.0~2.5 | 25.0~28.0 | 20.0~22.5 | 550 | 350 | 20 |
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C | Si | Mn | Cr | Ni | £m b Mpa | £m 0.2Mpa | £_ % |
0.03 | 0.65 | 1.0~2.5 | 23.0~25.0 | 12.0~14.0 | 510 | 320 | 25 |
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C | Si | Mn | Cr | Ni | £m b Mpa | £m 0.2Mpa | £_ % |
0.03 | 0.65 | 1.0~2.5 | 19.5~22.0 | 9.0~11.0 | 510 | 320 | 30 |
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