ASTM A500 Galvanized Rectangular Hollow Section Carbon Steel Tube for Building Structure
Product Details
| Alloy Or Not: | Non-Alloy | Material: | Carbon Steel |
|---|---|---|---|
| Ends: | Plain/Beveled/Threaded | Technique: | ERW/HFW/Hot Rolled/Cold Rolled |
| Transport Package: | By Bundle, Water Proof Wrapped | Surface Treatment: | Bared / Black Varnish/Galvanized |
| Application: | Construction/ Structure/ Decoration | Factory: | Wuxi China |
| Highlight |
ASTM A500 Rectangular Hollow Section,Building Structure Carbon Steel Tube,Galvanized Rectangular Steel Tube |
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Product Description
ASTM A500 Rectangular Hollow Section Carbon Steel Tube is a high-quality structural steel tube manufactured according to ASTM A500/A500M standards. It is produced by cold-forming welded carbon steel into a rectangular hollow section (RHS) with precise dimensions, excellent strength, and reliable structural performance.
ASTM A500 rectangular hollow section tubes are widely used in building structures, steel frames, bridges, machinery manufacturing, and engineering projects due to their high strength-to-weight ratio, good weldability, and dimensional accuracy.
Compared with traditional solid steel sections, rectangular hollow section tubes provide excellent load-bearing capacity while reducing material consumption and overall structural weight. They are an ideal choice for modern steel construction and industrial fabrication.
In modern construction and engineering projects, traditional steel profiles often face challenges such as:
- High structural weight and increased transportation costs
- Low material utilization efficiency
- Difficult fabrication and installation processes
- Insufficient strength for large-span structures
- Poor appearance requirements for architectural projects
To solve these problems, engineers increasingly choose ASTM A500 rectangular hollow section steel tubes, which provide a combination of strength, durability, and lightweight structural design.
ASTM A500 Rectangular Hollow Section Carbon Steel Tube offers an efficient structural solution through:
- High Strength Performance
The controlled chemical composition and manufacturing process provide excellent tensile strength and yield strength for structural applications. - Optimized Structural Design
The rectangular hollow shape improves resistance against bending, compression, and torsional forces. - Excellent Weldability
Low carbon content allows easy welding, cutting, and fabrication. - Cost-Effective Construction
The hollow structure reduces steel consumption while maintaining structural strength. - Superior Surface Quality
Smooth surface finish supports painting, galvanizing, and further processing.
| Item | Specification |
|---|---|
| Product Name | ASTM A500 Rectangular Hollow Section Carbon Steel Tube |
| Standard | ASTM A500 / ASTM A500M |
| Material Grade | Grade A, Grade B, Grade C, Grade D |
| Manufacturing Process | Electric Resistance Welding (ERW) / Cold Formed |
| Shape | Rectangular Hollow Section (RHS) |
| Material | Carbon Steel |
| Outer Dimension | 10 × 20 mm - 400 × 600 mm (Customized Available) |
| Wall Thickness | 1.0 - 25 mm |
| Length | 5.8 m, 6 m, 12 m or Customized |
| Surface Treatment | Black, Galvanized, Painted, Oiled |
| Welding Type | High Frequency Electric Resistance Welding |
| Heat Treatment | Stress Relief Treatment (if required) |
| Certification | EN10204 3.1 Mill Test Certificate Available |
| Element | Maximum Content |
|---|---|
| Carbon (C) | ≤0.26% |
| Manganese (Mn) | ≤1.35% |
| Phosphorus (P) | ≤0.035% |
| Sulfur (S) | ≤0.035% |
| Copper (Cu) | ≥0.20% (when specified) |
| Grade | Yield Strength | Tensile Strength |
|---|---|---|
| ASTM A500 Grade A | ≥270 MPa | ≥310 MPa |
| ASTM A500 Grade B | ≥315 MPa | ≥400 MPa |
| ASTM A500 Grade C | ≥345 MPa | ≥425 MPa |
| ASTM A500 Grade D | ≥250 MPa | ≥400 MPa |
ASTM A500 rectangular hollow section steel tubes are widely used in various industries:
- Steel frame buildings
- Commercial construction
- Warehouses
- High-rise building supports
- Roof trusses
- Bridge components
- Structural supports
- Heavy-duty frameworks
- Machine frames
- Equipment supports
- Agricultural machinery components
- Factory structures
- Steel platforms
- Storage racks
- Pipeline supports
- Decorative steel structures
- Curtain wall systems
- Modern architectural frameworks
ASTM A500 rectangular hollow section tubes work by using their closed hollow geometry to efficiently distribute external loads.
The rectangular cross-section provides:
- High bending resistance due to increased section modulus
- Improved compression strength for load-bearing structures
- Better torsional resistance compared with open steel profiles
- Reduced weight while maintaining structural performance
During construction, rectangular hollow sections are connected through welding, bolting, or other fabrication methods to form stable structural frameworks. The internal hollow space reduces unnecessary material usage, making the structure lighter, more economical, and easier to install.
When selecting ASTM A500 rectangular steel tubes, consider the following factors:
- Grade B: Most common for general structural applications
- Grade C: Suitable for higher strength requirements
- Grade A/D: Used for specific engineering conditions
Choose suitable dimensions according to:
- Load requirements
- Span length
- Structural design calculations
Select based on application environment:
- Black steel tube → General indoor structures
- Galvanized tube → Outdoor and corrosion-resistant applications
- Painted tube → Decorative and industrial use
For international projects, customers may require:
- ASTM compliance
- EN10204 3.1 certificate
- Chemical composition report
- Mechanical test report
- Ultrasonic testing (if required)
ASTM A500 rectangular hollow section tube is a cold-formed welded carbon steel structural tube designed for construction and engineering applications. It offers high strength, good weldability, and excellent dimensional accuracy.
ASTM A500 includes four common grades:
- Grade A
- Grade B
- Grade C
- Grade D
Grade B and Grade C are the most widely used grades for structural projects.
ASTM A500 Grade C has higher yield strength and tensile strength compared with Grade B, making it suitable for heavier structural applications.
Yes. ASTM A500 rectangular tubes can be galvanized or coated to improve corrosion resistance and are widely used in outdoor steel structures.
Yes. Manufacturers can supply customized sizes, wall thicknesses, lengths, surface treatments, and additional inspection requirements according to project specifications.
ASTM A500 Rectangular Hollow Section Tube, Carbon Steel Rectangular Pipe, Structural Steel Tube, RHS Steel Tube, ASTM A500 Grade B Tube, Rectangular Steel Tube Manufacturer, Hollow Section Steel Pipe.
Product Highlights
ASTM A500 Rectangular Hollow Section Carbon Steel Tube For Building Structure ASTM A500 Rectangular Hollow Section Carbon Steel Tube is a high-quality structural steel tube manufactured according to ASTM A500/A500M standards. It is produced by cold-forming welded carbon steel into a rectangular ...
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