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鞍钢同长春第一汽车厂签订的研制“低合金09MnRE冷轧钢板技术条件”规定的化学成份及机械性能如表1。要求钢材的晶粒度为5～10级,相邻级
The chemical composition and mechanical properties stipulated in the Technical Conditions for Low-Alloy 09MnRE Cold Rolled Steel Sheet signed by Anshan Iron and Steel Co., Ltd. and Changchun No. 1 Automobile Factory are shown in Table 1. Requires steel grain size of 5 to 10, adjacent level