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发明公开
CN102517496A 一种热轧铁素体/马氏体双相钢及其生产方法 无效 - 驳回

一种热轧铁素体/马氏体双相钢及其生产方法
摘要：
本发明涉及一种热轧铁素体/马氏体双相钢及其生产方法。所述双相钢成分的质量百分数为：C：0.06%～0.10%、Mn：1.00%～2.00%、Si：0.40%～0.60%、P：≤0.02%、S：≤0.02%、Ti：0.08～0.12%，余量为Fe及不可避免杂质。本发明提供的双相钢，Si含量低于0.5，钢的表面质量较易控制；此外，添加了成本较为低廉的Ti元素，作为析出强化元素来提高钢的强度，降低了钢产品的成本。
摘要（英）：

The invention relates to hot rolled ferrite/martensite double phase steel and a production method thereof. The double phase steel comprises the following components, by mass, 0.06-0.10% of C, 1.00-2.00% of Mn, 0.40-0.60% of Si, equal to or less than 0.02% of P, equal to or less than 0.02% of S, 0.08-0.12% of Ti, and the balance Fe and inevitable impurities. The double phase steel provided in the invention contains less than 0.5% of Si, so the surface quality of the steel can be easily controlled; and additionally, the low cost Ti element is added to improve the strength of the steel as a precipitation strengthening element, so costs of steel products are reduced.

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