Low alloy heat-resistant bolting steel is widely applied in large-capacity steam turbine and other generating machinery.
低合金耐热螺栓钢广泛应用于大功率汽轮机等发电设备中。
In the long term of production of the low alloy heat-resistant bolting steel, the out-of-tolerance of hardness is the one of the primary causes that leads to the rework of heat treatment.
在长期的生产中，低合金耐热螺栓钢硬度超差是造成该材料热处理返修的主要原因之一。
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