FIELD: technological processes.
SUBSTANCE: method involves joining the ends of a steel pipe or stainless steel pipe with butt-welded stainless steel tips. The tips, having a length of 50-150 mm and a thickness equal to the thickness of the pipe, from the straight edge side are connected to the ends of the pipe using a press soldering method in the solid phase. The gain resulting after welding is removed to a value of 0.5-2.0 mm. An anticorrosion coating is applied to the inner surface of the steel pipe with overlapping of the tips length.
EFFECT: simplification of method for manufacturing corrosion-resistant pipe with increasing its corrosion resistance by increasing the mechanical strength and ductility of the welded joint of pipe.
4 cl
| Title | Year | Author | Number |
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| PIPE WITH INNER ANTICORROSIVE COATING | 2002 |
|
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| METHOD OF WELDING OF NON-ROTARY JOINTS OF MAIN PIPELINE (EMBODIMENTS) | 2017 |
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