管线钢 meaning in Chinese

bx52
pipe line steel
x42-x70

Effective particle size of high grade pipeline steels
高钢级管线钢的有效晶粒尺寸
Trial - manufacture of grade x80 with high toughness acicular ferrite
80级管线钢的试制
Fracture behaviors of local brittle zone in pipeline steel
管线钢焊接局部脆化区断裂行为的研究
The simulation of pipeline welding temperature field based on ansys
的管线钢堆焊温度场数值模拟
Test method of pipeline steels for resistance to step wise cracking
管线钢抗阶梯型破裂试验方法

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