EN10219 ERW Steel Pipe is cold-formed welded structural hollow sections made of non-alloy and fine grain steels, including round,square,rectangular shapes
Products Description
| Product | EN10219 ERW Steel Pipe |
| Process | Electrical Resistance Weld |
| Standard | EN10219 |
| Grade | S235, S275, S355... |
| Size Range | OD 1/2"–26"(21.3–660mm) for Round pipes , Sizes10x10~600x600mm for RHS SHS |
| Shape | Round, Rectangular, Square |
| Coating | Bare, black paint, galvanized, unti-rust oil |
Manufacturing Process
Utilizing ERW (Electric Resistance Welding) technology, flat steel coils are formed and welded without filler metal, creating a uniform, high-integrity seam through high-frequency electrical current. This process enables precise control over dimensions and wall thickness.
Performance Advantages
Structural Integrity: The cold-forming and controlled welding process under EN10219 produces sections with excellent consistency in shape, straightness, and mechanical properties, crucial for load-bearing structures.
Cost-Effectiveness: Compared to seamless alternatives, EN10219 ERW Steel pipes offer a more economical solution for many structural applications without compromising on specified performance for moderate stress environments.
Quality Assurance: Support production with Mill Test Certificates (MTCs) per batch and employ non-destructive testing (NDT) like ultrasonic testing to validate weld quality, ensuring compliance with the standard's stringent requirements.
Typical Applications
Building construction frameworks and architectural supports
Industrial plant structures, machinery frames, and conveyor systems
Infrastructure projects requiring hollow structural sections
Fencing, guardrails, and architectural decoration elements
pipe Photos


welcome to inquire
Kevin
Tianjin shenzhoutong steel pipe co.,ltd
kevin@tjshenzhoutong.com
Mob/whatsapp/wechat +86 15267768016
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