Threaded Steel Pipe
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Keywords: Window and door installation, construction, interior decoration & renovation, labor subcontracting
Product Introduction
Spiral steel pipes are manufactured by rolling strip steel into coils, then cold-forming the material and welding it together using an automated, dual-wire, double-sided submerged arc welding process to create a spiral seam. The process begins by feeding the strip steel into a pipe-making machine, where it passes through multiple sets of rollers that gradually roll and shape the material into a circular tube blank with a slight opening gap. By precisely adjusting the downward pressure applied by the extrusion rollers, the weld gap is carefully controlled to remain between 1 and 3 mm, ensuring that the ends of the weld joint are perfectly aligned.
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Our philosophy: "Integrity as our foundation, strength first, and wholehearted dedication to our customers."
Phone: +86 18090066707
Email:2418146891@qq.com
Address: 1st Floor, No. 66 Fuqiang Street, Huayang, Tianfu New Area, Chengdu City, Sichuan Province
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