The cold heading property of cold heading steel rod bundle is improved by the optimum design and control of chemical compositions of low carbon low silicon high aluminium cold heading steel.
通过对低碳低硅高铝冷镦钢成分的优化设计和控制，大大提高了冷镦钢盘条的冷镦性能。
The invention relates to a method for aligning the concentricity of a locking hole and a locking guide rod in a silicon steel high-temperature annealing ring-shaped heating furnace.
本发明涉及一种硅钢高温退火环形加热炉中找正锁紧孔与锁紧导杆的同心度的方法。
The invention relates to a method for aligning the concentricity of a locking hole and a locking guide rod in a silicon steel high-temperature annealing ring-shaped heating furnace.
本发明涉及一种硅钢高温退火环形加热炉中找正锁紧孔与锁紧导杆的同心度的方法。
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