通过焊接热模拟试验和冲击韧性试验，研究了不同预热温度对X80级管线钢组织性能的影响。
Welding thermal simulation technique is adopted to study the influences of twice thermal cycle on the structure and properties of X80 pipeline steel.
通过焊接热模拟试验和冲击韧性试验，研究了不同预热温度对X80级管线钢组织性能的影响。
The effect of hot bending and heat treatment thermal cycles on the mechanical properties of X80 grade steel pipe was evaluated.
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.
应用推荐