Research on Production Process and Performance of X70 Pipeline Steel
By reasonably designing the composition of X70 pipeline steel,analyzing and studying the double stand rolling process,controlled cooling process,and straightening model,and adopting standardized parameter operation guidance and equipment improvement measures,X70 pipeline steel with qualified performance has been successfully produced.The verification results show that the X70 pipeline steel produced by Hansteel is mainly composed of granular bainite structure,with good mechanical properties such as yield strength,tensile strength,and impact toughness,meeting the standards and user requirements.The production line has the ability to carry out stable production.
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