管线钢主要用于石油和天然气的输送。
The pipeline steel is mainly used in transmission pipe of oil and natural gas.
焊接性能是衡量管线钢性能的一项重要指标。
Welding property is an important index to weigh the property of pipeline steel.
研究结果对X70管线钢的安全设计具有重要意义。
The results are significant to safety design for X70 line pipe.
管线钢内部的微观组织的组成对材料的使用寿命和性能有着重要的影响。
Composition of Pipeline steel's microstructure has important influence to material service life and performance.
针对不同强度级别的管线钢x 70和L245对接的焊接工艺进行了研究。
A study was made of the welding procedure for X70-L245 butt joint of pipeline steel.
针对不同强度级别的管线钢x 70和L245对接的焊接工艺进行了研究。
A study was made of the welding procedure for X70-L245 butt joint of pipeline steel.
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