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Introduction
ASTM A501
covers hot-formed welded and seamless carbon steel structural tubing intended
for structural and load-bearing applications. These tubes are manufactured to
provide excellent strength, toughness, and dimensional stability for welded,
bolted, and riveted construction.
ASTM A501
carbon steel tubing is widely used in construction, infrastructure, bridges,
and industrial fabrication projects where reliable structural performance is
essential.
Ladhani Metal
Corporation is a manufacturer, supplier, and exporter of ASTM A501 carbon steel
tubing, supplying high-quality structural tubes for engineering and
construction applications.
Applicable Standard
Standard
Specification: ASTM A501
Organization: ASTM International
Title: Standard Specification for Hot-Formed Welded and Seamless Carbon Steel
Structural Tubing
This
specification covers hot-formed carbon steel structural tubing in round,
square, rectangular, and special shapes.
Forms of Supply
ASTM A501
carbon steel tubing is supplied in the following forms:
Round tubes
Square hollow sections (SHS)
Rectangular hollow sections (RHS)
Seamless structural tubing
Welded structural tubing
Cut-to-length tubes
Supply
Condition
Hot formed
As-welded condition
Normalized condition (if required)
Surface
Finish
Black finish
Galvanized finish
Shot blasted finish
Paint coated finish
Standard
Sizes
Outside
Diameter: 21.3 mm to 610 mm
Wall Thickness: 2 mm to 25 mm
Length: Up to 12 meters or as required
Grades Covered Under ASTM A501
Grade A
Grade B
These grades
are carbon steel structural tubing grades designed for high-strength structural
applications.
Chemical Composition of ASTM A501 Carbon Steel Tubing
(%)
|
Element |
Grade A Heat Analysis |
Grade A Product Analysis |
Grade B Heat Analysis |
Grade B Product Analysis |
|
Carbon,
max |
0.26 |
0.30 |
0.22ᵇ |
0.26 |
|
Manganese,
max |
— |
— |
1.40ᵇ |
1.45 |
|
Phosphorus,
max |
0.035 |
0.045 |
0.030 |
0.040 |
|
Sulfur,
max |
0.035 |
0.045 |
0.020 |
0.030 |
|
Copper,
when copper steel is specified, min |
0.20 |
0.18 |
0.20 |
0.18 |
Notes:
- ᵃ Where an ellipsis (—) appears
in this table, there is no requirement.
- ᵇ For each reduction of 0.01
percentage point below the specified maximum for carbon, an increase of
0.06 percentage point above the specified maximum for manganese is
permitted, up to a maximum of 1.50% by heat analysis and 1.60% by product
analysis.
Tensile
Requirement
|
Property |
Grade A |
Grade B |
|
Tensile
Strength, min, psi [MPa] |
58,000
[400] |
70,000
[483] |
|
Yield
Strength, min, psi [MPa] |
36,000
[250] |
50,000
[345] |
|
Elongation
in 2 in. [50 mm], min, % |
23 |
23 |
Key Features of ASTM A501 Carbon Steel Tubing
Excellent
structural strength
Good toughness and durability
Suitable for welded construction
High dimensional stability
Available in multiple shapes and sizes
Good machinability and fabrication properties
Reliable performance in load-bearing structures
Applications of ASTM A501 Carbon Steel Tubing
ASTM A501
tubing is widely used in industries requiring strong and durable structural
sections.
Construction
Industry
• Structural columns
• Building frameworks
Infrastructure
Projects
• Bridges and towers
• Industrial structures
Engineering
Applications
• Equipment supports
• Machinery frames
Industrial
Fabrication
• Storage systems
• Structural platforms
Heat Treatment
Tubing is
produced through hot-forming processes
Normalizing may be performed if required
Heat treatment improves toughness and structural uniformity
Conclusion
ASTM A501
carbon steel structural tubing provides a dependable solution for construction
and structural engineering applications. With excellent strength, durability,
and weldability, these tubes are ideal for heavy-duty frameworks and industrial
structures.
Ladhani
Metal Corporation supplies ASTM A501 carbon steel tubing in various grades,
sizes, and finishes, ensuring high-quality products for construction,
infrastructure, and engineering applications.
FOR REQUIREMENT OF THIS GRADE
OR FOR DETAIL CONTACT US AT :-
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