直缝钢管标准：(GB/T3091-2008)本标准包括直缝高频电阻焊（ERW）钢管,直缝埋弧焊（SAWL）钢管和螺旋缝埋弧焊（SAWH），本公司生产直缝钢管采用的是先进的双面埋弧焊技术。
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采用宽板小成型角生产小口径螺旋缝埋弧焊钢管时，内焊缝产生裂纹是经常遇到的问题。
Inside weld produced cracks are often faced problem by adopting wide coil with small forming Angle to produce small size spiral submerged welded pipe.
铣边工艺被广泛用于螺旋缝埋弧焊管生产，但控制不好会导致焊管出现焊偏、未焊透等缺陷。
The edge milling process is widely used for manufacture of SSAW pipes. However, in case that proper control is not ensured, defects like welding misalignment or non-through-welding may be caused.
在大量试验的基础上，综合论述了螺旋缝埋弧焊管实际生产中有关残余应力的测试与控制问题。
The problems related to the measurement and control of residual stress in the production of spiral sub-merged arc welding pipe were analyzed based on tests.
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