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发明公开
CN110079731A 一种260MPa级搪瓷用冷轧钢板及其生产方法 有权

一种260MPa级搪瓷用冷轧钢板及其生产方法
摘要：
本发明的一种260MPa级搪瓷用冷轧钢板，属于金属材料领域，本发明包括以下化学元素及重量百分比：C：0.01％～0.04％；Si≤0.05％；Mn：0.10～0.40％；P≤0.015％；S：0.010～0.030％；Als：0.010～0.060％；Ti：0.020～0.060％；N：0.0030～0.0120％；B：0.0010～0.0090％，余量为铁和不可避免的杂质；其中：0.020≤4.43B+Ti-3.42N≤0.055。本发明的260MPa级搪瓷用冷轧钢板的抗拉强度340～450MPa，A50延伸率≥30％，晶粒度级别为10.0～11.0，具有优异的抗鳞爆性能和密着性能。
摘要（英）：

The invention discloses a 260 MPa grade cold-rolled steel plate for enamel, and belongs to the field of metal materials. The cold-rolled steel plate comprises the following chemical elements of, in percentage by weight, 0.01%-0.04% of C, less than or equal to 0.05% of Si, 0.10%-0.40% of Mn, less than or equal to 0.015% of P, 0.010%-0.030% of S, 0.010%-0.060% of Als, 0.020%-0.060% of Ti, 0.0030%-0.0120% of N, 0.0010%-0.0090% of B, and balance Fe and inevitable impurities, wherein 4.43B plus Ti minus 3.42N is greater than or equal to 0.020 and less than or equal to 0.055. The 260 MPa grade cold-rolled steel plate for enamel has the tensile strength of 340-450 MPa, the A50 elongation rate of greater than or equal to 30%, the grain size grade of 10.0-11.0, and excellent scale explosion resistance and adhesion performance.

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