is adopt the Double Side Spiral Submerged Arc Weld technology. Physical and chemical inspections of the raw materials, welding wires and welding flux. And it is widely using for the long distance transferring of water, petroleum, natural gas, coal gas and pulped.

                                

Specification: O.D:219mm-3048mm W.T:5mm-25.4mm Steel

 

Grade:Gr.A~Gr.X100,Gr.Q235B,Gr.Q345B,Gr.S355JRH,S355J2H,ST37,ST52 and STK400 steel

 

types Length:6m~25m

 

Packing: Loose with pipe end protector

 

Size:

Outer Diameter: 6mm-610mm (1/16"-24")

Wall Thickness: 0.3mm-22mm

Length: 0.5-20meter 

 

Quality standard:

API 5L, BS1387, BS EN10025, BS EN10217, EN10240, ASTM A53, DIN 2440, DIN 2441, DIN 1626

 

Steel Grade:

API 5L : GR.A, B, X42, X46, X52, X56, X60, X65 X70

ASTM A 53: Gr. A, Gr B

EN10025/EN10217: ST33, ST37.2, ST44.2, St12, St13, St14, St44, ST52, FE360

 

Usage:

Low pressure liquid delivery, such as water, gas, oil, or structure pipe, piling pipe

 

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.