The strength and tenacity of super-eutectoidsteel wire have been improved notably by increasing the carbon content of the steel to more than 0.9% and controlling the heat-treatment system.
钢含磷量提高到0．9％以上，控制钢丝的热处理制度，使过共析钢丝强韧性显著提高。
2
To reheat hardened steel or hardened cast iron to some temperature below the eutectoid temperature for the purpose of decreasing hardness and increasing toughness.
重新加热硬化钢或硬化铸铁至某一温度，低于共析温度下，使硬度降低，韧度增加。
3
A simplified diagram, such as the one in Fig. 2.1, focuses on the eutectoid region and is quite useful in understanding the properties and processing of steel.