1. Introduction
Table of Contents
VINAHUGO CO., LTD supplies Black Welded Steel Pipes (ERW – Electric Resistance Welded) made in Vietnam, meeting international quality standards for construction, mechanical engineering, and industrial use. Our steel pipes are trusted by both domestic and international partners for their durability, precision, and cost efficiency.
2. Product Description
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Product name: Black Welded Steel Pipe (ERW Steel Pipe)
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Material: Carbon steel Q195 / Q235 / SS400 / ASTM A53 / A500
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Surface: Black painted or oiled to prevent rust
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Shape: Round, Square, or Rectangular
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End Type: Plain ends / Beveled ends / Threaded with coupling
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Length: 6m, 12m, or customized
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Origin: Vietnam
All products are manufactured under strict ISO 9001:2015 and ASTM / JIS / EN standards, ensuring smooth inner surfaces, accurate dimensions, and strong welded seams.
3. Technical Specifications
| Specification | Range / Value |
|---|---|
| Outer Diameter (OD) | 21.3 mm – 406.4 mm |
| Wall Thickness | 0.6 mm – 12 mm |
| Length | 6 m / 12 m / Customized |
| Tensile Strength | ≥ 350 MPa |
| Yield Strength | ≥ 240 MPa |
| Standard | ASTM A53 / A500 / BS 1387 / EN10255 / JIS G3444 |
| Surface Treatment | Black lacquer / Varnished / Anti-rust oil coating |
4. Applications
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Civil and industrial construction (scaffolding, frames, columns)
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Mechanical structures and furniture frames
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Agricultural irrigation and drainage systems
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Gas, water, and oil pipeline systems
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Infrastructure and machinery manufacturing
The product is widely used in construction projects, factories, and mechanical workshops thanks to its high tensile strength and resistance to deformation.
5. Packaging & Delivery
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Packing: Bundled with steel straps and plastic wrapping for seaworthy shipment
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Loading Port: Ho Chi Minh City or Hai Phong Port, Vietnam
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Delivery Time: 15–25 days after order confirmation
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Payment Terms: L/C at sight or T/T (40% deposit, 60% against B/L copy)
6. Contact Information
VINAHUGO CO., LTD
📞 Phone: +84 909 735 434 (WeChat – WhatsApp)
📧 Email: info@vinahugo.com | vinahugo.info@gmail.com
🌐 Website: vinahugo.com
💬 WhatsApp: Click to chat directly
