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Technical requirements and processing methods of straight seam welded pipes

Technical requirements and processing methods of straight seam welded pipes

Keywords :Technical requirements and processing methods of straight seam welded pipes        Update : 2022-10-24        View(s) : 555

Technical requirements for straight seam welded pipes : Technical requirements and inspection of straight seam welded pipes According to the GB3092 "Welded Steel Pipes for Low-Pressure Fluid Transport" standard, the nominal diameter of the welded pipe is 6~150mm, the nominal wall thickness is...

Quality identification of spiral steel pipe

Quality identification of spiral steel pipe

Keywords :Quality identification of spiral steel pipe        Update : 2022-10-21        View(s) : 1

1. The trademark and printing of the high-quality tube are comparable to the standard. 2. The composition of high-quality steel is uniform, the tonnage of the cold shearing machine is high, and the end face of the cutting head is smooth and regular, while the inferior material often has the appear...

The method of distinguishing fake and inferior non-standard straight seam welded steel pipe

The method of distinguishing fake and inferior non-standard straight seam welded steel pipe

Keywords :The method of distinguishing fake and inferior non-standard straight seam welded steel pipe        Update : 2022-10-20        View(s) : 412

The quality of non-standard straight seam welded steel pipe is not only related to its service life, but also its use efficiency in the future, so when we buy non-standard straight seam welded steel pipe, how can we buy high-quality non-standard steel pipe What about straight seam welded steel p...

Defects are easily generated in the welding area of ​​spiral steel pipe

Defects are easily generated in the welding area of ​​spiral steel pipe

Keywords :Defects are easily generated in the welding area of ​​spiral steel pipe        Update : 2022-10-19        View(s) : 1

The defects that are prone to occur in the welded area of the spiral steel pipe include pores, hot cracks, and undercuts. The porosity of the welded seam of the spiral steel pipe not only affects the tightness of the welding seam of the pipeline and causes the leakage of the pipeline, but also...

What is the difference between a long-radius steel elbow and a short-radius steel elbow

What is the difference between a long-radius steel elbow and a short-radius steel elbow

Keywords :What is the difference between a long-radius steel elbow and a short-radius steel elbow        Update : 2022-10-18        View(s) : 541

1. Different definitions Long radius steel elbow : Long radius steel elbow means that the radius of curvature of the steel elbow is 1.5 times the diameter of the pipe; if it is greater than 1.5 times, it is the category of steel elbow. Short radius steel elbow: Short radius steel elbow means ...

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