亚共析钢，是钢材按金相组织的分类之一。含碳量在0.0218—0.77%之间的结构钢称为亚共析钢。
n. hyposteel
misc. hypoeutectoid steel
含碳量少于共析体(低于0.77%)的钢称为亚共析钢。
Steels having less than the eutectoid amount of carbon (less than 0.77%) are known as hypo-eutectoid steels.
含碳量少于共析体(低于0.77%)的钢称为亚共析钢。
Steels shaving less than the eutectoid amount of carbon (less than 0.77%) are known as hypo-eutectoid steels.
研究了两种基体的亚共析钢经激光处理后，其硬化层的硬度梯度及其磨损特性。
The hardening gradient and the character of abrasion in hardening layer of hypoeutectoid steel with two kinds of matrixes that was treated by laser beam have been studied.
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