1) 20~# pipeline steel
20#管线钢
1.
The simulation research of 20~# pipeline steel in different cooling conditions and different heat input was carried out.
对20#管线钢在不同冷却条件和不同焊接线能量下的HAZ的组织性能进行了模拟研究。
2) 20 # carbon steel pipeline
20#碳钢管线
1.
The causes of perforation and leakage in the underground solvent 20 # carbon steel pipeline of ketone benzene unit were analyzed.
通过对二酮苯装置地下溶剂20#碳钢管线穿孔、泄漏现象进行剖析,结合金相显微分析、腐蚀介质成分分析、现代物理技术分析及其结果,分析了泄漏原因,探讨了腐蚀机理,进而提出相应的防护措施。
3) 20# tube bloom
20管钢
1.
Macro defect control of 20# tube bloom;
20管钢铸坯低倍缺陷控制
4) 20 steel tube blank
20钢管坯
5) 20 steel pipe
20号钢管
6) 20~# tube blank steel
20#管坯钢
1.
20~# tube blank steel is produced in the special steel plant of Laigang, with 50tUHP EAF, LF refining, bloom continuous casting, semi-continuous mill short route instead of the original die cast.
莱钢特钢厂采用50tUHP电炉—LF精炼—大方坯连铸—半连轧短流程代替原模铸工艺生产20#管坯钢。
补充资料：管线钢
pipelinesteel：制备管道、线材用的钢。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条