1. LSAW Steel Pipe (Longitudinal Submerged Arc Welding)LSAW Steel Pipe (Longitudinal Submerged Arc Welding) The LSAW steel pipe exploits the single medium thickness plate as raw material. The steel plate is pressed (rolled up) into a tubular billet through mould or forming machine. Then through
    1. SSAW Steel Pipe (Spiral Submerged Arc Welding)SSAW Steel Pipe (Spiral Submerged Arc Welding) We produce the SSAW steel pipe with different wall thicknesses and the external diameter from 219 to 3600mm. The product can be taken for long distance transportation involving natural gas, pet
 

Double Sides Submerged Arc Welded Pipe

The double sides submerged arc welded pipe has large diameter, works with high transportation efficiency and is conducive to saving the investment of laying the pipeline. It is mainly applied for water supply engineering, petrochemical industry, chemical engineering, electric power industry, agricultural irrigation and urban construction.

Application Range
1. Fluid delivery in water supply and drainage
2. Gas delivery for coal gas, vapor and liquefied petroleum gas
3. Structural use as pile pipe and bridge
4. Tube for wharf, road, building structure, etc.

Specification
Diameter 219-3620mm
Wall Thickness 4-26mm
Length 3-20m (or as per request of customer)
Material Grade L245, L290, L320, L360, L390, L415, L450, L210, Q235, Q345, X42, X46, X52, X56, X60, X65, X70, etc.
Standard SY/T5037, GB/T9711.1, GB/T9711.2, API 5L, EN10208, ASTM A252, ASTM A500, ASTM A53, JISA5525, etc.
Illustration
ASTM A252-89 Welded and Seamless Steel Tube Pile
API SPEC 5L Specification for Line Tube
GB/T9711.1 Technical Delivery Conditions of Steel Tube for Pipelines of Petroleum and Natural Gas Industry
SY/T5037 Spiral Submerged Arc Welded Tube for Low Pressure Liquid Transportation
ASTM A53/A53M-2005 Standard Technical Conditions of Uncoated, Hot Dip Galvanized Welded and Seamless Nominal Steel Tube
ASTM A500-2003a Standard Specification for Circular and Irregular Shaped Cold Formed Welded and Seamless Carbon Steel Structural Tube
EN10208-2-1997 Steel Tube for Pipeline Transporting Combustible Fluid
 
Spiral Steel Tube just off the
Production Line
Sectional View of the Spiral Steel
Tube in Storage Site
Spiral Steel Tube on the
Production Line
Profile View of the Finished
Spiral Steel Tube
Diameter Diagram of Steel Tube Vertical View of the Spiral
Steel Tube

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