The following discussion applies principally to the heat treatment of ordinary commercial steels known as plain carbon steels.
下列讨论主要针对被称为普通碳钢的工业用钢而言。
It was found that the properties of FR steels were significantly better than the plain steel at high temperature.
研究发现，同普通钢相比，耐火钢获得了良好的高温性能。
The current research situations and obtained achievements in improving the strength of plain carbon steels are described systematically.
以建筑用钢筋为研究对象，系统介绍了目前对于提高普通碳素钢强度的国内外研究现状和取得的成果。
The current research situations and obtained achievements in improving the strength of plain carbon steels are described systematically.
以建筑用钢筋为研究对象，系统介绍了目前对于提高普通碳素钢强度的国内外研究现状和取得的成果。
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