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Spiral steel pipe is a spiral seam steel pipe with strip steel coil plate as raw material, often temperature extrusion molding, with automatic double wire double-sided buried arc welding process and welding. The spiral steel pipe will send the strip into the welding pipe unit, through multiple roll roll pressure, the strip gradually rolled up, forming a round pipe blank with opening gap, adjust the pressure amount of the extrusion roll, so that the weld gap control at 1~3mm, and make the two ends of the welding joint flush.
Brand Name | XINHAI |
Long | 12M, 6m, 6.4M, 3-12m or as required |
Width | 1.6mm-20mm or as required |
High | 50mm-1300mm or as required |
Standard | ISO9001、GB、JIS、SUS、EN、AISI、ASTM |
Material | Q235B, Q355B, SS400, SS440, SS490,HC420LAB340LA、B410LA15CRMO |
Technique | Cold rolled,hot rolled,ERW |
Surface Treatment | Clean,blasting and painting to customer requirement |
Thickness Tolerance | ±0.15mm |
Color | Customer sample color |
Application | Machinery manufacturing,steel structure,shipbuilding,bridging |
Processing Service: | Bending, Cutting |