研究了具有不同微观组织类型的高强度管线钢的夏比冲击韧性。
The Charpy impact properties of high strength pipeline steel with different microstructure were investigated.
采用示波冲击试验方法研究了具有不同微观组织高强度管线钢的夏比冲击性能。
The Charpy impact properties of high strength pipeline steel with different microstructures have been studied through a series of the instrumented impact tests.
对某厂x 80高钢级管线钢母材、焊缝、热影响区进行了夏比冲击韧性试验，对其有效晶粒进行了研究。
The Charpy impact test of base metal, weld and heat affected zone of X80 grade pipeline steel of certain factory was conducted, and its effective grain was researched.
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