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为提高铁道车辆用车轴钢的质量 ,满足列车提速的需要 ,北满特钢通过对LZW钢工艺质量控制 ,使LZW钢的非金属夹杂物、气体含量、力学性能、化学成分达到一个新水平。
In order to improve the quality of axle steel for railway vehicles and meet the need of speeding train, Northern Manchu Steel has achieved a new level of non-metallic inclusions, gas content, mechanical properties and chemical composition of LZW steel through the quality control of LZW steel.