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日本钢铁企业正在集中力量开发汽车用高强钢板 ,以使汽车减重。最近报导的新产品是由住友金属工业公司开发的新型高强钢板 ,目前已开始向几家汽车厂家提供 ,用作汽车板试生产。这种新板抗拉强度为 3 90ＭＰａ～ 490ＭＰａ ,其成形性能与目前使用的3 4 0ＭＰａ级高强度钢板相同
Japanese steelmakers are focusing their efforts on developing high-strength automotive steel plates to reduce the weight of cars. The recently announced new product is a new high-strength steel sheet developed by Sumitomo Metal Industries and is currently being offered to several car manufacturers for panel production. This new board tensile strength of 3 90MPa ~ 490MPa, the forming performance and the current use of 304MPa high strength steel plate the same