Quality Requiremetns: when lower than the minium wall thinckness allowable by pipe bend and without the sharp corner, the bend from mechanical damage may be repaired, but not be repaired welding.

 
  • 质量要求:机械损伤的弯头,在不小于管子弯头设计所需的最小壁厚时,且没有尖锐棱角时允许修磨,但不能补焊。
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