The Charpy impact properties of high strength pipeline steel with different microstructure were investigated.
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。
According to empirical equation between the Charpy impact energy and fracture toughness to estimate is common method.
常用的做法是根据管材的冲击韧性与断裂韧性之间的关系式进行估算。
The following table lists the minimum design temperatures for each pipe size, above which charpy tests are not required.
下表列出了每个管道的最小设计温度，超过它的冲击测试不需要。
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