S235JR ERW Electric Resistance Welding Pipe
Product Introduction of S235JR Resistance Welded Pipe
Resistance welded (ERW) pipe is a type of welded steel pipe produced using a high-frequency welding process. The manufacturing process includes: uncoiling, leveling, cutting, and welding of the steel strip; coiling and storing it; forming; welding; removing internal and external burrs; sizing; defect detection; fly cutting; inspection; and packaging.
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Outer Diameter (OD) |
21.3mm - 660mm (1/2" - 26") |
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Wall Thickness (WT) |
1.5mm - 22.2mm (SCH10, SCH20, SCH30, STD, SCH40, SCH60, XS, SCH80, SCH100, SCH120, SCH140, SCH160, XXS) |
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Length |
5.8m, 6m, 11.8m, 12m, or customized (SRL/DRL) |
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Pipe Ends |
Plain End (PE), Beveled End (BE), Threaded End (NPT,BSP) with or without couplings |
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Surface Treatment |
Black painting, Varnish, Anti-rust oil, Hot-dip galvanized, 3PE, FBE, Epoxy coating, etc. |
S235JR Resistance Welded Pipe, Main Application Areas of ERW Pipe
Due to its excellent comprehensive performance and cost-effectiveness, ERW steel pipes are widely used in various sectors of the national economy:
● Oil and Gas Transportation: Used for low- and medium-pressure fluid transportation pipelines, such as natural gas, oil, and coal gas.
● Water Conservancy Projects: Used for water supply pipelines, drainage pipelines, and irrigation systems.
● Structural Engineering: Widely used in building structures, bridge supports, scaffolding, and machinery equipment frames.
● Pile Foundation Pipes: Used as foundation pile foundation pipes, such as for the foundations of docks, bridges, and high-rise buildings.
● Mining: Due to its cost-effectiveness and reliable welds, ERW steel pipes are widely used in ventilation and drainage systems in the mining industry.
● Casing and Tubing: Used for wellbore support (casing) in oil drilling and oil extraction (tubing).
● Fire Protection Systems: Used for fire sprinkler system piping.
● Heating and Cooling: Used for heating pipelines and air conditioning system piping.
● Other industrial applications: such as automobile manufacturing, furniture manufacturing, electrical conduits, signposts, iron towers, and power transmission lines.
About us
Established in 2008, GNEE STEEL specializes in export trade, focusing on the international trade of steel pipe products such as resistance welded pipes (ERW pipes). We have 18 years of experience exporting steel pipes, and our products are sold to countries and regions in the Middle East, Europe, and America, receiving consistent praise from our customers.
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