API 5L Spiral Steel Pipe

API 5L Spiral Steel Pipe Liquid Gas Transportation Welded Steel Pipe For Sale Spiral steel pipes are made by steel coil, extrusion forming under the normal temperature, then taken the technology of double wire and double-faced submerged-arc welded. Spiral steel pipes are made by steel coil, extrusion forming under the normal temperature, then taken the technology of double wire and double-faced submerged-arc welded. During molding process of spiral welded steel pipe, steel plate has uniform deformation and light residual stress, thus the surface has no scratches. Spiral steel pipe has more flexible thicknesses and diameters, especially in making high-grade thick pipes with small or medium aperture, these techniques has incomparable advantages in satisfying your needs. API 5L PSL1 spiral steel pipe certificate ISO9001-2008.API5L PACKAGE details: in bundles case packing or bundle pack. Hexagonal bundles of max, two tags on each bundle, wrap in waterproof paper , PVC sleeve sackcloth with several steel strips. Test method: 1.chemical component analysis 2.Mechanical properties of pipe body, yield strength, mechanical properties of welding seam, bending test and metallographic. 3.Other test, hydrostatic test, x ray test, online offline ultrasonic test, flatting test, bending test, straightening and etc. The type of Pipe Spiral Welded Steel Pipe Materials Q235A, Q235B, 10#, 20#, Q345(16Mn), L245(B), L290(X42), L320(X46), L360(X52), L390X56), L415(X60), L450(X65), L485(X70), L555(X80), L290NB/MB(X42N/M), L360NB/MB(X52N/M), L390NB/MB(X56N/M), 415NB/MB(X60N/M), L450MB(X65), L485MB(X70), L555MB(X80) Production Standard API Wall Thickness 6mm-26mm Packing detail Plywood cases Marking According to the Clients’ requirement Length 5.8M,6M,11.8M,12M-18M, 20M-23M or as customers requirements Outside diameter 219mm-3000mm(8--108inch) Application Spiral steel pipe is mainly used in public waterworks, petrochemical industry, chemical industry, electric p....

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