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ASTM A500 Galvanized Rectangular Hollow Section Carbon Steel Tube for Building Structure
ASTM A500 Galvanized Rectangular Hollow Section Carbon Steel Tube for Building Structure
ASTM A500 Galvanized Rectangular Hollow Section Carbon Steel Tube for Building Structure
ASTM A500 Galvanized Rectangular Hollow Section Carbon Steel Tube for Building Structure
ASTM A500 Galvanized Rectangular Hollow Section Carbon Steel Tube for Building Structure
ASTM A500 Galvanized Rectangular Hollow Section Carbon Steel Tube for Building Structure
Specifications
Payment Terms :
30%TT+70%TT
Technique :
ERW/HFW/Hot Rolled/Cold Rolled
Application :
Construction/ Structure/ Decoration
Packaging Details :
Double-layer Waterproof Packaging With Straps
Transport Package :
by Bundle, Water Proof Wrapped
Surface Treatment :
Bared / Black Varnish/Galvanized
Brand Name :
Syliath
Alloy Or Not :
Non-Alloy
MOQ :
1Tons
Supply Ability :
500MT/Month
Ends :
Plain/Beveled/Threaded
Material :
Carbon Steel
Delivery Time :
10~35days
Model Number :
Q355B Q235 Q235B
Certification :
ISO 9001
Place of Origin :
Wuxi China
Factory :
Wuxi China
Description
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 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.

ASTM A500 Galvanized Rectangular Hollow Section Carbon Steel Tube for Building Structure
Challenges in Modern Construction

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.

Structural Solution

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.
Technical Specifications
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
ASTM A500 Chemical Composition (Typical)
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)
ASTM A500 Mechanical Properties
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
Applications
ASTM A500 Galvanized Rectangular Hollow Section Carbon Steel Tube for Building Structure ASTM A500 Galvanized Rectangular Hollow Section Carbon Steel Tube for Building Structure ASTM A500 Galvanized Rectangular Hollow Section Carbon Steel Tube for Building Structure

ASTM A500 rectangular hollow section steel tubes are widely used in various industries:

Building Structures
  • Steel frame buildings
  • Commercial construction
  • Warehouses
  • High-rise building supports
  • Roof trusses
Bridge and Infrastructure Projects
  • Bridge components
  • Structural supports
  • Heavy-duty frameworks
Machinery Manufacturing
  • Machine frames
  • Equipment supports
  • Agricultural machinery components
Industrial Engineering
  • Factory structures
  • Steel platforms
  • Storage racks
  • Pipeline supports
Architectural Applications
  • Decorative steel structures
  • Curtain wall systems
  • Modern architectural frameworks
Structural Performance

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.

Selection Guidelines

When selecting ASTM A500 rectangular steel tubes, consider the following factors:

Material Grade
  • Grade B: Most common for general structural applications
  • Grade C: Suitable for higher strength requirements
  • Grade A/D: Used for specific engineering conditions
Size and Wall Thickness

Choose suitable dimensions according to:

  • Load requirements
  • Span length
  • Structural design calculations
Surface Treatment

Select based on application environment:

  • Black steel tube → General indoor structures
  • Galvanized tube → Outdoor and corrosion-resistant applications
  • Painted tube → Decorative and industrial use
Certification Requirements

For international projects, customers may require:

  • ASTM compliance
  • EN10204 3.1 certificate
  • Chemical composition report
  • Mechanical test report
  • Ultrasonic testing (if required)
Frequently Asked Questions
1. What is ASTM A500 rectangular hollow section tube?

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.

2. What grades are available for ASTM A500 steel tubes?

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.

3. What is the difference between ASTM A500 Grade B and Grade C?

ASTM A500 Grade C has higher yield strength and tensile strength compared with Grade B, making it suitable for heavier structural applications.

4. Is ASTM A500 rectangular tube suitable for outdoor use?

Yes. ASTM A500 rectangular tubes can be galvanized or coated to improve corrosion resistance and are widely used in outdoor steel structures.

5. Can ASTM A500 rectangular hollow section tubes be customized?

Yes. Manufacturers can supply customized sizes, wall thicknesses, lengths, surface treatments, and additional inspection requirements according to project specifications.

Keywords for SEO:
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.
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ASTM A500 Galvanized Rectangular Hollow Section Carbon Steel Tube for Building Structure

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Product Detail
Payment Terms :
30%TT+70%TT
Technique :
ERW/HFW/Hot Rolled/Cold Rolled
Application :
Construction/ Structure/ Decoration
Packaging Details :
Double-layer Waterproof Packaging With Straps
Transport Package :
by Bundle, Water Proof Wrapped
Surface Treatment :
Bared / Black Varnish/Galvanized
Contact Supplier
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ASTM A500 Galvanized Rectangular Hollow Section Carbon Steel Tube for Building Structure
ASTM A500 Galvanized Rectangular Hollow Section Carbon Steel Tube for Building Structure
ASTM A500 Galvanized Rectangular Hollow Section Carbon Steel Tube for Building Structure

WUXI SYLAITH SPECIAL STEEL CO.,LTD

Verified Supplier
13 Years
jiangsu, wuxi
Since 2010
Business Type :
Manufacturer, Distributor/Wholesaler, Exporter, Seller
Main Products :
Seamless Steel Tubes, Seamless Stainless Steel Tube, Seamless Carbon Steel Tube
Total Annual :
180 Million-250 Million
Employee Number :
1200~1300
Certification Level :
Verified Supplier
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