双层卷焊钢管应用广泛，品质要求高，必须进行100%检测。
Double layer coiling welded pipe is widely applied and demands high quality. It must carry out 100% inspection.
对双层卷焊钢管用镀铜钢带质量与组织性能进行了全面分析研究。
This paper presents research results on quality analysis, microstructure and properties of copper coated steel strip (CCSS).
螺旋焊管是以带钢卷板为原材料，经常温挤压成型，以自动双丝双面埋弧焊工艺焊接而成的螺旋缝钢管。
Spiral welded pipe is a strip coil as raw material, often warm extrusion molding, to automatically double-wire submerged arc welding process double-sided spiral welded pipe joints.
采用高强度级别钢种的卷板制造螺旋焊管的过程中，包申格效应使钢管屈服强度降低的现象日益突出。
In the process of using high strength steel to produce spirally welded pipe, the yield strength is reduced due to Bauschinger's effect.
对HU -METAL法卷制成型大直径直缝焊钢管残余应力进行了分析讨论。
This article discussed the residual stress of the HU-METAL method formed large diameter longitudinal seam welded steel pipe.
随着我国热轧卷板质量及ERW制管水平的提高，生产低中压锅炉用电阻焊钢管的条件已经成熟。
Along with the hot-rolled strip quality and the level of ERW pipe manufacture improve in domestic, the factors manufacturing welded pipe for low and medium pressure boiler have possessed.
随着我国热轧卷板质量及ERW制管水平的提高，生产低中压锅炉用电阻焊钢管的条件已经成熟。
Along with the hot-rolled strip quality and the level of ERW pipe manufacture improve in domestic, the factors manufacturing welded pipe for low and medium pressure boiler have possessed.
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