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Help CenterHot Dipped Galvanized Welded Round Steel Pipe for Anti-Corrosion Use
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As a professional manufacturer with ISO9004 and ISO14000 certifications, Hunan Yige Special Steel Technology leverages our 5,000-10,000 sqm facility to produce premium hot-dipped galvanized welded steel pipes. Established in 2015 and based in Changsha, China, we supply corrosion-resistant solutions to global markets including North America, Europe, and Southeast Asia. Our pipes deliver exceptional durability through advanced zinc coating technology, ensuring long-term structural integrity in harsh environments.
Core Features & Benefits:
- Superior Corrosion Resistance: Zinc barrier protects against rust and chemical degradation
- Heavy-Duty Coating: 80-300g/m² zinc layer for extended service life
- Precision Welding: Consistent seam integrity meeting ASTM A53 standards
- Structural Reliability: High load-bearing capacity for construction applications
- Low Maintenance: Eliminates frequent repainting requirements
Technical Specifications:
| Parameter | Value | Standard |
|---|---|---|
| Outer Diameter | 21.3-219mm | ASTM A53 |
| Wall Thickness | 1.0-8.0mm | Customizable |
| Zinc Adhesion | ≥280g/m² (HDG) | ISO 1461 |
| Tensile Strength | 330-500 MPa | GB/T 3091 |
Our hot-dip process ensures complete coverage of pipe interiors and exteriors, providing 360° protection. The metallurgical bond between zinc and steel creates a sacrificial layer that withstands impact damage better than paint coatings. Applications include structural frameworks, fencing systems, agricultural equipment, and industrial piping where corrosion prevention is critical.
Backed by ISO-certified manufacturing and serving clients across 15+ global markets since 2015, YGST guarantees consistent quality with:
- Batch traceability for quality control
- Custom length and packaging options
- Third-party inspection acceptance
- Technical support for project specifications
Contact us today for corrosion-resistant piping solutions that reduce lifecycle costs by up to 40% compared to untreated alternatives.
FAQ:
Q1: How does hot-dip galvanizing prevent corrosion?
A: The process creates a zinc-iron alloy layer that acts as a physical barrier and sacrificial anode, corroding before the base steel.
Q2: What is the expected service life?
A: Depending on environment, typically 20-50 years in rural/urban settings and 10-25 years in industrial/marine areas.
Q3: Can I request non-standard lengths?
A: Yes, we offer cutting services for lengths from 2m to 14m upon request.
Q4: How does hot-dip differ from electro-galvanizing?
A: Hot-dipping provides 5-10x thicker coatings (typically 50-150µm vs 5-25µm) with superior adhesion and impact resistance.
Q5: Are test certificates provided?
A> Yes, we supply mill test certificates (MTC) with chemical and mechanical properties for each batch.
Q6: What packaging options are available?
A: Standard plastic caps and bundled wrapping, with wooden crate packaging optional for ocean freight.
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