20# Galvanized Steel Pipe/Tube
Stronger and more durable than 10# steel, 20# galvanized steel pipes offer excellent load-bearing performance, toughness, and corrosion resistance for demanding structural and piping systems.
Gengfei Steel is an experienced steel supplier, providing the best prices and services.
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Description
What is the 20# Galvanized Steel Pipe/Tube?
20# Galvanized Steel Pipe is made from 20# carbon structural steel and coated with a protective zinc layer via hot-dip or cold galvanizing processes. Compared to 10# steel, 20# offers higher tensile strength, better toughness, and greater load capacity, making it suitable for higher-stress applications such as structural frameworks, mechanical components, and heavy-duty pipelines.
Gengfei Steel offers:
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Round Pipes: DN15 to DN200 (OD 21.3mm to 219mm)
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Square Tubes: 15×15mm to 600×600mm
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Rectangular Tubes: 10×20mm to 500×600mm
Custom sizes and thicknesses are available.
Technical Parameters of 20# Galvanized Steel Pipe/Tube
Outer Diameter – Round Pipes
(Same as 10#, from DN15 to DN200: 21.3mm to 219mm)
🔹 Square & Rectangular Tubes
(Same size ranges as 10#, full list available on request)
🔹 Wall Thickness Options
| Type | Thickness (mm) |
|---|---|
| Thin wall | 0.5 – 1.5 mm |
| Medium wall | 1.5 – 3.0 mm |
| Thick wall | 3.0 – 6.0 mm |
| Extra thick | 6.0 – 10+ mm |
Features of 20# Galvanized Steel Pipe/Tube
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Made from 20# carbon steel with higher tensile strength than 10#
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Enhanced load-bearing capacity for heavy-duty structures
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Excellent ductility, toughness, and elongation
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Superior weldability and machinability
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Corrosion-resistant zinc coating for long service life
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Available in round, square, and rectangular forms
Applications of 20# Galvanized Steel Pipe/Tube
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Steel structure engineering (high-load beams & frames)
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Industrial machinery and mechanical parts
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Pressure pipelines and high-flow fluid systems
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Bridges, fences, and transportation infrastructure
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Agricultural equipment, greenhouses, and scaffolding
10# vs 20# Galvanized Pipe – Comparison Table
| Property | 10# Steel Pipe | 20# Steel Pipe |
|---|---|---|
| Material Grade | Low carbon steel | Medium carbon steel |
| Strength | Moderate | Higher |
| Toughness | Good | Excellent |
| Ductility | High | Moderate to high |
| Load Capacity | Standard loads | Suitable for higher loads |
| Applications | General construction | Structural & mechanical use |
Procurement Guide
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Choose the required dimensions: OD, shape, wall thickness
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Determine zinc coating type (hot-dip for outdoor/heavy use, cold for indoor/light-duty)
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Specify material grade: 20# for higher strength
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Custom fabrication and OEM orders available
Get a Fast Quote
Looking for a reliable galvanized steel pipe supplier in China? Gengfei Steel is your trusted source. Contact our team now for free samples, pricing, or custom production support.
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📧 Email: [email protected]
📞 WhatsApp / Phone: +86 191 3986 3252
🌐 Website: www.gengfeisteel.com
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