Spiral tube
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It is welded by double-sided submerged arc welding process, with pipe diameters ranging from DN200 to DN4000, wall thicknesses from 5 to 20mm, and materials including Q235B, Q355B, Q355C, 345NS, 345NH, etc. The product features a stable spiral weld structure, high compressive strength, and strong corrosion resistance. It is widely used in oil and gas transportation, urban water supply and drainage networks, large-scale steel structure supports and other projects. According to customer requirements, it can provide shot blasting, sandblasting, anti-corrosion (such as 3PE, epoxy coal tar pitch), insulation treatment, packaging and other services.
Keywords
It is welded by double-sided submerged arc welding process, with pipe diameters ranging from DN200 to DN4000, wall thicknesses from 5 to 20mm, and materials including Q235B, Q355B, Q355C, 345NS, 345NH, etc. The product features a stable spiral weld structure, high compressive strength, and strong corrosion resistance. It is widely used in oil and gas transportation, urban water supply and drainage networks, large-scale steel structure supports and other projects. According to customer requirements, it can provide shot blasting, sandblasting, anti-corrosion (such as 3PE, epoxy coal tar pitch), insulation treatment, packaging and other services.
Keywords
It is welded by double-sided submerged arc welding process, with pipe diameters ranging from DN200 to DN4000, wall thicknesses from 5 to 20mm, and materials including Q235B, Q355B, Q355C, 345NS, 345NH, etc. The product features a stable spiral weld structure, high compressive strength, and strong corrosion resistance. It is widely used in oil and gas transportation, urban water supply and drainage networks, large-scale steel structure supports and other projects. According to customer requirements, it can provide shot blasting, sandblasting, anti-corrosion (such as 3PE, epoxy coal tar pitch), insulation treatment, packaging and other services.
Keywords
It is welded by double-sided submerged arc welding process, with pipe diameters ranging from DN200 to DN4000, wall thicknesses from 5 to 20mm, and materials including Q235B, Q355B, Q355C, 345NS, 345NH, etc. The product features a stable spiral weld structure, high compressive strength, and strong corrosion resistance. It is widely used in oil and gas transportation, urban water supply and drainage networks, large-scale steel structure supports and other projects. According to customer requirements, it can provide shot blasting, sandblasting, anti-corrosion (such as 3PE, epoxy coal tar pitch), insulation treatment, packaging and other services.
Keywords