螺旋钢管

spiral steel tube Standard: BS: 1387 Steel Tubes for use for Water, Gas, Air and Steam ASTM A53 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless EN10217 Welded steel tubes for pressure purposes. Technical delivery conditions. Non-alloy steel tubes with specified room temperature properties API 5L Line Pipe Material : DIN17100(EN10025)/EN10217: ST33, ST37.2, ST44.2,St12, St13, St14, St44, ST52, FE360 ASTM A 53: Gr. A, Gr B, Gr C, Gr.D API 5L : GR.A, B, X42, X46, X52, X56, X60, X65 X70 Q195, Q215, Q235, Q275, Q295, Q345, 08F, 08, 08AL, 08F, 10F, 10, HG5, DF08 SPHC, M8 S185, S235, S235JR, S235 G2H, S275, S275JR, S355JRH, S355J2H,Outer Diameter: 6mm-610mm (1/16"-24") Wall Thickness: 0.3mm-22mm Length: 0.5mtr-20mtr Pipe End: Plain, beveled, threaded and coupled(Threading as per BS1387, ASTM A53) Pipe surface: Lightly oiled, Hot dip galvanized, Electro galvanized, Black, Bare, Varnish coating/Anti rust oil,Protective Coatings (Coal Tar Epoxy, Fusion Bond Epoxy, 3-layers PE) Packing:Plastic plugs in both ends, Hexagonal bundles of max. 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips, Plastic caps. Test:Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, X-ray Test. Mill Test Certificate:EN 10204/3.1B Third party inspection:SGS, BV, Lloyds etc.