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Small -hardened steel with heat treatment distortion .
Small -hardened steel with heat treatment distortion .
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机译:具有淬火变形的小淬火钢。
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摘要
This hardened steel, in mass%, C: 0.05~0.45%, Si: 0.01~1.0%, Mn: 0 super ~2.0%, Al: 0.001~0. 06%, N: 0.002~0.03%, S: 0 super ~0.1%, P: a component composition containing Fe and unavoidable impurities, 0 super 0.05%, and the balance The equiaxed region satisfies the following formula (1) and equation (2), or, in the columnar crystal area, and satisfies the following expression (3). Re = (Ae / Ao) × 100 ≦ 30% (1) equation (Cmin, 1 / Co) ≧ 0.95 (2) the formula (Cmin, 2 / Co) ≧ 0.95 (3) the formula
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