低合金板是个统称，指的是合金含量低于3.5%钢板的统称。一般市场上说的是低合金板就是Q345B板。
研究了热处理工艺参数对用于制造轧机衬板工作层的多元低合金耐磨铸钢力学性能的影响。
The effects of heat treatment on the properties of multi-element low alloy wear-resistant steel making the liner of rolling mill liner are investigated.
文章分析了低合金高强度合金板塑性变形的特点，论述了各种因素对拉深工艺的影响。
This paper analyses the characteristics of plastic forming on the alloy board with low-alloy and high-strength and expounds various factors of deep drawing technology.
经现场试验表明，用空淬贝氏体钢浇注的颚板，其寿命是普通低合金钢颚板的两倍。
As shown by the experiments, the jaw grinders cast with air-quenched-bainite steel offer a life span twice as long as those made of ordinary low alloy steel.
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