Hot Dipped Galvanized Steel Welded Pipe 0.3-4.5mm Thickness for Construction and Scaffolding Applications
Price:
650 - 750 USD/Ton
MOQ:
1 Ton
Delivery Time:
5 - 12 days based on the quantity
Brand:
DELTA
Product Description
Product Specifications
| Product Name | Hot Dipped Galvanized Welded Round Pipe |
|---|---|
| Thickness Range | 0.3-4.5mm |
| Section Type | Round |
| Length | Custom requirements |
| Surface Treatment | Zinc Coating |
| Material Grades | Q195-Q345, A369, A53(A,B), ST37 |
| Standards | GB, ASTM, BS, GB/T 3091-2001, ASTM A106-2006, ASTM A53 |
| Applications | Construction, Scaffolding |
| Origin | Hebei, China |
Hot Dip Galvanizing Process
Hot-dip galvanizing (HDG) involves dipping fabricated steel into molten zinc at 842°F (450°C) to form a protective zinc carbonate layer that prevents corrosion.
Three-Step Manufacturing Process
- Preparation: Chemical cleaning and flux treatment to ensure proper zinc adhesion
- Galvanizing: Immersion in molten zinc to create zinc-iron alloy layers
- Inspection: Comprehensive testing for coating thickness, uniformity, and adherence
Key Benefits & Properties
Superior Corrosion Protection
Galvanized steel resists corrosion up to 100 times better than uncoated steel, extending product lifespan significantly.
Performance Advantages
- Lower cost than stainless steel with superior long-term value
- Excellent resistance to mechanical damage and abrasion
- Reliable performance in various environmental conditions
- Durable zinc coating withstands forming and handling
- Fully recyclable and environmentally sustainable
Galvanizing Methods Comparison
Hot-Dip Galvanizing
Economical process suitable for complex shapes with complete zinc coverage.
Pre-Galvanizing
Performed at steel mills on sheet materials, offering uniform coating but exposed edges after fabrication.
Electro-Galvanizing
Uses electrical current for precise coating thickness, though thinner than hot-dip methods.
Technical Requirements & Quality Assurance
All welded pipes undergo mechanical performance testing, flattening tests, flaring tests, and pressure testing to ensure compliance with GB3092 standards.
Quality Control Processes
- Eddy current flaw detection for weld integrity verification
- Pressure testing at 2.5Mpa for one minute without leakage
- Surface inspection to eliminate folds, cracks, delamination, and welding defects
Product Images
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
Location
No.283-1, Youyi Middle Road, Xishan District, Wuxi City, Jiangsu Province
Contact Person
Gao Ben