The main specification and process route during production and exploitation of E40 high strength hull structure steel made in Xiangtan Iron & Steel Co.
介绍了湘钢宽厚板厂试制开发E40级高强度船板的主要技术要求和工艺路线。
High strength prestressed heat barrier pipe is used as a thermal insulating pipe to carry high temperature and pressure vapour into underground for crude oil exploitation.
材质为高强钢的预应力隔热管是在石油开采中用于地下输送高温高压水蒸汽的绝热管。
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