Tianjin Tianyingtai Steel Pipe Co., Ltd. is one of the most credible manufacturers and suppliers of ERW Pipe Electric Resistance Welded Steel Pipe Carbon Steel Welded Tube in China. Welcome to consult the quotation and import cheap ERW Pipe Electric Resistance Welded Steel Pipe Carbon Steel Welded Tube made in China here from our factory.
▶ Product Overview
Our Electric Resistance Welded (ERW) Steel Pipe is produced through a continuous manufacturing process in which cold-rolled steel strips are formed into a tubular shape and welded along the longitudinal seam using low-frequency or high-frequency electric resistance heating. The result is a high-strength, dimensionally accurate, and cost-effective welded steel pipe suitable for a wide range of industrial applications.
▶ Key Features & Advantages
✅ High Welding Precision: Advanced high-frequency induction welding (HFI) ensures uniform, defect-free weld seams with superior mechanical strength.
✅ Excellent Dimensional Accuracy: Tight OD and wall thickness tolerances, meeting or exceeding ASTM, API, and EN standards.
✅ Cost-Effective Solution: Compared to seamless pipes, ERW pipes offer equivalent performance at significantly lower cost, ideal for high-volume projects.
✅ Versatile Surface Treatment: Available in black, galvanized, varnished, oiled, or anti-corrosion coated finishes (3PE/FBE) to suit different environments.
✅ Customizable Specifications: Lengths, diameters (1/2"–26"), wall thicknesses (SCH10–SCH80), and grades can be tailored to project requirements.
✅ Reliable Mechanical Properties: High tensile strength, impact resistance, and formability for structural and pressure applications.
▶ Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Electric Resistance Welded Pipe (ERW) |
| Standard | ASTM A53, ASTM A135, ASTM A795, API 5L, EN 10219, EN 10217, BS 1387, JIS G3444 |
| Material Grade | Q195, Q235, Q345, GR.A, GR.B, X42–X70, S235JR, S275JR |
| Outer Diameter | 1/2" – 26" (21.3mm – 660mm) |
| Wall Thickness | SCH10 – SCH80 (1.65mm – 22mm) |
| Length | 6m / 12m fixed or custom cut to length |
| Surface Finish | Black, hot-dip galvanized, painted, 3LPE coated, FBE coated |
| Ends | Plain end, beveled end, threaded end with coupling |
▶ Application Fields
🛢️ Oil & Gas Industry: Low/medium pressure transmission pipelines, casing and tubing
💧 Water Supply & Drainage: Municipal water systems, fire-fighting pipelines, irrigation
🏗️ Construction & Structural: Scaffolding, structural supports, building frames, fencing
⚙️ Industrial Applications: Heat exchangers, boiler tubes, mechanical processing, automotive parts
🚢 Shipbuilding & Marine: Hull structures, offshore platforms
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