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Galvanized Structural Rectangular Tube
Shanghai Xinyiheng Metal manufactures and supplies Hot-Dip Galvanized Structural Rectangular Tubes to global distributors, steel fabricators, and contractors.
Description
ASTM / EN Standard Hot-Dip Galvanized Rectangular Hollow Section (RHS)
Shanghai Xinyiheng Metal manufactures and supplies Hot-Dip Galvanized Structural Rectangular Tubes to global distributors, steel fabricators, and contractors. Our RHS combines high-strength carbon steel with a robust zinc coating, engineered for structural frameworks, solar mounts, and industrial equipment.
Why Partner with Shanghai Xinyiheng Metal
Factory-Direct Pricing: Stable production capacity and competitive pricing without middlemen.
Certified Quality: Backed by EN10204 3.1 Mill Test Certificates (MTC) and third-party inspection support (SGS/TUV).
Strict Tolerance Control: Optimized for cutting, welding, and structural assembly.
Product Advantages
Superior Corrosion Resistance: The hot-dip galvanizing process forms a metallurgically bonded zinc-iron alloy layer that provides cathodic protection, effectively preventing rust and extending service life in harsh, humid, or coastal environments.
High Strength-to-Weight Ratio: The closed rectangular cross-section offers excellent bending resistance and torsional rigidity, allowing for efficient material utilization and reduced overall structural dead load.
Precise Dimensions & Fabrication Ready: Manufactured with strict tolerance controls for consistent straightness and smooth surface finishes, ensuring seamless cutting, drilling, and welding without compromising structural integrity.
Low Lifecycle Cost: The durable zinc coating eliminates the need for secondary painting or frequent maintenance, significantly reducing long-term operational and replacement costs.
Technical Specifications
|
Specification |
Details |
|
Product Type |
Rectangular Hollow Section (RHS) |
|
Manufacturing Process |
ERW Welded / Cold Formed / Hot-Dip Galvanized |
|
Standards |
ASTM A500 / ASTM A501 / EN10219 / EN10210 |
|
Steel Grades |
ASTM A500 Gr.B, Gr.C / S235 / S355 / Q235B / Q355B |
|
Thickness Range |
1.5mm – 25mm |
|
Standard Length |
6m / 12m |
|
Processing Services |
Cutting, Drilling, Welding, Punching |
|
Documentation |
MTC, Dimensional & Mechanical Test Reports |
Available Sizes
|
Section Size |
Wall Thickness |
Standard Length |
|
40×20 mm |
1.5 - 3.0 mm |
6m / 12m |
|
60×40 mm |
2.0 - 5.0 mm |
6m / 12m |
|
80×40 mm |
2.0 - 6.0 mm |
6m / 12m |
|
100×50 mm |
3.0 - 8.0 mm |
6m / 12m |
|
120×60 mm |
3.0 - 10.0 mm |
6m / 12m |
Manufacturing & Quality Control
Raw Material Verification: Chemical composition and mechanical property testing.
Precision Forming & ERW Welding: Consistent corner radii and strong, smooth weld seams.
Hot-Dip Galvanizing: Metallurgically bonded zinc coating for maximum outdoor corrosion resistance.
Final Inspection: Dimensional checks, straightness verification, and zinc thickness testing.
Applications
Construction: Steel building frameworks, warehouse structures, commercial facades.
Solar Mounting Systems: Ground mounts and panel racking requiring high load capacity.
Industrial Fabrication: Machinery frames, equipment supports, conveyor systems.
Agriculture: Greenhouses, farm buildings, and storage facilities.
Packaging & Global Shipping
Secure Packing: Steel bundle packing with protective wrapping and secure straps to prevent transit damage.
Shipping Options: Full Container Load (FCL), Bulk shipment, and container loading optimization.
FAQ
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