1) seamless tube in steel 20#
20#无缝管
2) 20 steel seamless rectangular tube
20钢无缝矩形管
3) seamless casing
无缝套管
1.
In order to strengthen the oil-field user’s confidence in the ERW casing made in China,the contrast study of the dimension control,residual stress,and pipe collapse pressure between ERW and seamless casing was conducted in this paper.
为了促进国产直缝电阻焊(ERW)套管在油田的广泛应用,对ERW套管与无缝套管的尺寸精度、残余应力和管体挤毁压力进行了试验研究。
4) seamless tube
无缝钢管
1.
Present Status and Development of Alloy Steel Seamless Tube;
合金钢无缝钢管的现状和发展
2.
Analysis on stretch reducing rolling process of seamless tube by FEM;
无缝钢管张力减径过程的有限元分析
3.
Development of round billet of heat resistant stainless steel seamless tube for high pressure boiler
高压锅炉用耐热不锈钢无缝钢管圆管坯的研制
5) seamless steel tube
无缝钢管
1.
Technological transformation of enterprises produced medium diameter seamless steel tube with cold drawn processing;
冷拔中径无缝钢管生产企业的技术改造
2.
Discussion on development countermeasures to seamless steel tube technical equipment in China;
中国无缝钢管技术装备的发展对策探讨
3.
Present situation analysis of Chinese seamless steel tube technology equipment;
中国无缝钢管技术装备的现状分析
6) seamless tube
无缝管
1.
Discussion on the developing direction of steel tubes by comparing processing of seamless tube and welded tube;
从焊管与无缝管的综合比较浅析钢管发展方向
2.
China steel tube trade is being a turning point, concerning which should take the first place between seamless tube and welded tube.
目前中国的钢管业正处在一个新的发展转折点和平衡点,尤其是无缝管和焊管的争论已成为近几年的焦点。
3.
This paper describes the deformational characteristic of different kinds of cross-rolling process, sumerizes the law of development cross- rolling elongation and reveals the tendency of hot elongated accurate seamless tube.
本文阐述了不同无缝管斜轧延伸变形过程的特点，总结了斜轧延伸的发展规律，揭示了 热轧精密无缝管的发展趋势。
补充资料：无缝管
无缝管
seamless tube
wufengguon无缝管(seamless tube)以实体锭坯为原料经热轧、挤压、项管、冷轧或冷拔等金属塑性加工方法生产的周边无接缝的空心材。用热加工(热变形)方法生产的无缝管，主要的是热乳无缝管，还有少量的顶管和挤压管(见管材挤压)。以热轧管为原料经冷轧和冷拔深度加工则制成冷轧管和冷拔管。(见管材冷轧冷拔)无缝管和坏接管是管材分类的主要标识。 (李连诗)
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