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Galvanized Rectangular Tubing

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

 

Q: What is the difference between hot-dip and pre-galvanized tubing?

A: Hot-dip galvanizing provides a thicker zinc coating and superior corrosion resistance, making it ideal for harsh outdoor environments. Pre-galvanized is more cost-effective for indoor or mild environments.

Q: Do you provide inspection certificates?

A: Yes. We provide Mill Test Certificates (MTC) and third-party inspection reports (SGS/BV) upon request to guarantee product authenticity and quality.

Q: What is your Minimum Order Quantity (MOQ)?

A: We offer flexible MOQs to support both trial orders and large-scale projects. Please contact our sales team with your specific size and quantity requirements for a tailored solution.

Q: What is the typical lead time for production and delivery?

A: Standard sizes usually have a lead time of 15-20 days. Custom sizes or large-volume orders may take 25-30 days depending on current production scheduling.

Q: Can I arrange a third-party inspection before shipment?

A: Absolutely. We fully support and welcome third-party inspections from agencies like SGS, BV, or Intertek to ensure the products meet your exact quality standards before loading.

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