1) 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。
2) 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。
4) 20# carbon steel
20号碳钢
1.
The corrosion behaviors and corrosion rate of seven metal materials in sea water, sea water - H2S corrosive media and industry cooling water were studied through experiment, which gave the order of the better material for sea water cooler: 2507 duplex steel→SUS321 →aluminum diffused steel→12Cr2AlMoV→20# carbon steel→07CrCuAlMoTi→5454 Al-Mg alloy.
在试验基础上探讨了七种金属在海水、海水-H2S腐蚀介质及工业循环水中的腐蚀行为和腐蚀速率,指出七种金属材料用于海水冷却器的耐蚀性排序为:2507双相钢>SUS321>固体粉末包埋渗铝>12Cr2AlMoV>20号碳钢>07CrCuAlMoTi>5454铝镁合金,进而对每种材料的应用效果进行了分析。
5) Carbon steel
20碳钢
1.
With a view to the serious corrosion of the gas-conveyance pipelines buried in soils of Zhongyuan oil field, the corrosion behavior of AISI -1020 carbon steel in the soils with water contents of 21% and 45% at temperatures of 25℃, 55℃, and 85℃ was studied by means of polarization curve technique and electrochemical impedance spectroscopy (EIS).
为此,采用极化曲线测试技术和电化学阻抗谱,研究了20碳钢在25,55,85℃的正常含水率(21%WHC)和高含水率(45%WHC)的中原油田土壤(较高盐含量)中的腐蚀行为。
6) carbonized 20 steel
20钢渗碳
补充资料：宝鸡石油钢管厂大口径薄壁钢管的φ508排辊成形机组
宝鸡石油钢管厂大口径薄壁钢管的φ508排辊成形机组
宝鸡石油钢管厂大口径薄壁钢管的中508排辊成形机组
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