地质管STM-R780的正火工艺研究

Science & Technology of Baotou Steel(Group) Corporation(2018)

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Abstract
对热轧的地质管STM-R780进行正火处理,采用不同正火温度及保温时间进行实验,通过相关实验设备测定了钢管的屈服强度、抗拉强度、延伸率、金相组织等技术指标,分析各项数据,找出强度与韧性性能搭配合理的正火热处理制度.
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