Gr.B Spiral steel pipe is made of strip steel coil as raw material, regular temperature extrusion molding, automatic double wire double-sided submerged arc welding process welded spiral seam steel pipe. Spiral steel pipe will be fed into the welded pipe unit, through the multi-channel roll rolling, the strip steel is gradually rolled up to form a round billet with an open gap, adjust the amount of extrusion rollers under pressure, so that the weld gap is controlled at 1~3mm, and make the weld ends flush.
Gr.A Spiral steel pipe is made of strip steel coil as raw material, regular temperature extrusion molding, automatic double wire double-sided submerged arc welding process welded spiral seam steel pipe. Spiral steel pipe will be fed into the welded pipe unit, through the multi-channel roll rolling, the strip steel is gradually rolled up to form a round billet with an open gap, adjust the amount of extrusion rollers under pressure, so that the weld gap is controlled at 1~3mm, and make the weld ends flush.
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Tianjin Medal New Materials Technology Co., Ltd
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Tianjin Medal New Materials Technology Co., Ltd
E-Mail：metal@qdzysteel.com
TEL：8619546356638
WhatsApp：8619546356638
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