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发明公开
CN102197154A 焊接用钢材及其制造方法 无效 - 驳回 转让 复审申请

焊接用钢材及其制造方法
摘要：
本发明提供一种焊接用钢材，其含有下述成分：[C]为0.010％～0.065％、[Si]为0.05％～0.20％、[Mn]为1.52％～2.70％、[Ni]为0.10％～1.50％、[Ti]为0.005％～0.015％、[O]为0.0010％～0.0045％、[N]为0.002％～0.006％、[Mg]为0.0003％～0.003％、[Ca]为0.0003％～0.003％，剩余部分包含铁及不可避免的杂质，PCTOD为0.065％以下，且钢成分硬度参数CeqH为0.235％以下。
摘要（英）：

Disclosed is a steel material for welding which contains 0.010% to 0.065% of C, 0.05% to 0.20% of Si, 1.52% to 2.70% of Mn, 0.10% to 1.50% of Ni, 0.005% to 0.015% of Ti, 0.0010% to 0.0045% of O, 0.002% to 0.006% of N, 0.0003% to 0.003% of Mg, and 0.0003% to 0.003% of Ca, with the balance made up of iron and unavoidable impurities. The steel material for welding has a PCTOD of 0.065% or less, and a steel component hardness parameter CeqH of 0.235% or less.

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