研究了含钒低碳微合金钢经过不同温度回火的性能和组织的变化关系。
The variation of properties and microstructure of the low carbon microalloyed steel with vanadium was analyzed after tempering at different temperatures.
按重量计含碳量在1.2%及以下，含铬量在10.5%及以上的合金钢，不论是否含有其他元素。
Alloy steels containing, by weight, 1.2% or less of carbon and 10.5% or more of chromium, with or without other elements.
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