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- Jinan City, Shandong Province
- scarlett@jyh-steel.com
- +8613153179337. whatapp:+8613153179337

Galvanized Rectangular Tubing
Galvanized Rectangular Tubing (RHS) is a structural steel tube with a protective zinc coating. It serves as a barrier against environmental corrosion, making it ideal for outdoor and industrial applications.
Description
Galvanized Rectangular Tubing (RHS) is a structural steel tube with a protective zinc coating. It serves as a barrier against environmental corrosion, making it ideal for outdoor and industrial applications.
Key Benefits:
Corrosion Resistance: Withstands humid and harsh outdoor conditions.
Extended Lifespan: Outlasts untreated carbon steel; reduces maintenance.
Structural Strength: High strength-to-weight ratio for efficient load-bearing.
Cost Efficiency: Saves up to 30% in material costs compared to stainless steel.
Why Choose JNXYH Metal?
Direct Factory Pricing & Flexible Scale
Eliminate middlemen by sourcing directly from our mill. We offer competitive factory-direct pricing, flexible MOQs, and a stable supply backed by our massive annual production capacity to support projects of any scale.
Certified Quality & Global Standards
We strictly manufacture according to international specifications including ASTM A500, EN10219, and JIS G3466. Every batch is fully traceable and accompanied by verifiable Mill Test Certificates (MTC), backed by our ISO 9001, SGS, BV, and CE certifications.
Comprehensive Custom Fabrication
Beyond standard tubing, we provide value-added processing services such as cutting, hole drilling, welding, and custom marking. This allows you to receive ready-to-install components, significantly reducing your on-site labor and processing costs.
Professional Export & Logistics Support
We understand international shipping requirements. All products are securely packed in waterproof, steel-strapped bundles optimized for container loading. Our experienced export team seamlessly handles FOB, CIF, and CFR trade terms to ensure safe and timely delivery.
Technical Specifications
|
Item |
Specification |
|
Manufacturing Process |
ERW (Electric Resistance Welded) |
|
Surface Treatment |
Hot Dip Galvanized / Pre-Galvanized |
|
Wall Thickness |
0.6 mm - 30 mm |
|
Length |
5.8m / 6m / 12m or Customized |
|
Zinc Coating |
200g/m² - 600g/m² (Customizable) |
Standard Size Chart
Custom dimensions available based on project drawings.
|
Width × Height |
Thickness Range |
|
20×40 mm |
1.5-3.0 mm |
|
30×50 mm |
1.5-4.0 mm |
|
40×80 mm |
2.0-5.0 mm |
|
50×100 mm |
2.5-6.0 mm |
|
100×200 mm |
4.0-10 mm |
Manufacturing & Quality Control
Raw Material
Premium carbon steel coils.
Forming & Welding
Precision roll forming and ERW welding.
Galvanizing
Multi-stage cleaning and hot-dip treatment.
Inspection
Dimensional, welding, tensile, and zinc coating thickness tests.
Applications
Construction: Steel structures, building frames, temporary supports.
Solar Energy: Ground and roof solar panel mounting systems.
Industrial: Machine frames, storage racks, equipment supports.
Agriculture: Greenhouses, farm buildings, fencing systems.
FAQ
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