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Introduction
ASTM A529 / A529M covers
high-strength carbon-manganese steel plates, bars, and structural shapes
intended for structural and construction applications requiring improved
strength, toughness, weldability, and durability. These materials are widely
used in bridges, buildings, transmission towers, heavy machinery, construction
equipment, and industrial structural fabrication.
ASTM A529 steel products
provide higher strength compared to conventional carbon steel while maintaining
good formability and fabrication characteristics. These products are suitable
for welded, bolted, and riveted structural applications.
Ladhani Metal Corporation is
a manufacturer, supplier, and exporter of ASTM A529 / A529M carbon-manganese
steel products, supplying premium-quality structural steel materials for
engineering and industrial applications.
Applicable Standard
Standard Specification: ASTM A529 /
A529M
Organization:
ASTM International
Title:
Standard Specification for High-Strength Carbon-Manganese Steel of Structural
Quality
This specification covers
high-strength carbon-manganese steel plates, bars, and structural shapes for
structural applications.
Forms of Supply
ASTM A529 / A529M steel
products are supplied in the following forms:
- Steel plates
- Structural steel plates
- Hot rolled plates
- Steel sheets
- Steel coils
- Flat bars
- Round bars
- Square bars
- Hex bars
- Structural beams
- Channels
- Angles
- I beams
- H beams
- Structural sections
- Cut-to-size plates
- CNC profile cut plates
- Fabricated structural components
Supply Condition
- Hot rolled
- Normalized condition
- As rolled condition
- Thermo-mechanically processed
condition
Surface Finish
- Hot rolled finish
- Black finish
- Shot blasted finish
- Pickled finish
- Primer coated finish
Standard Sizes
Thickness: 5 mm to 150 mm
Width:
1000 mm to 3500 mm
Length:
Up to 12000 mm or customized sizes
Grades Covered Under ASTM A529 / A529M
- ASTM A529 Grade 50
- ASTM A529 Grade 55
These grades provide improved
yield strength and excellent structural performance for heavy-duty
applications.
Chemical Composition of ASTM A529 Steel (%)(Heat Analysis)
|
Element |
Grades 50 [345] and 55 [380] |
|
Carbon, max |
0.27 |
|
Manganese, max |
1.35 |
|
Phosphorus, max |
0.04 |
|
Sulfur, max |
0.05 |
|
Silicon, max |
0.40 |
|
Copper, min, when copper is specified |
0.20 |
Tensile Requirements
|
Property |
Grade 50 [345] |
Grade 55 [380] |
|
Tensile strength, min, ksi [MPa] |
70 [485] |
70 [485] |
|
Tensile strength, max, ksi [MPa] |
100 [690] |
100 [690] |
|
Yield strength, min, ksi [MPa] |
50 [345] |
55 [380] |
|
Elongation in 8 in. [200 mm], min, % |
18 |
17 |
|
Elongation in 2 in. [50 mm], min, % |
21 |
20 |
Key Features of ASTM A529 / A529M Steel
- High strength and durability
- Excellent structural performance
- Good weldability and machinability
- Suitable for heavy fabrication
applications
- Excellent formability
- Reliable impact resistance
- Cost-effective structural steel
solution
- Good atmospheric corrosion
resistance
Applications of ASTM A529 / A529M Steel
ASTM A529 steel products are
widely used in structural and industrial applications.
Construction Industry
- Structural buildings
- Industrial sheds
- High-rise structures
Bridge Construction
- Bridge girders
- Structural supports
- Heavy bridge components
Infrastructure Projects
- Transmission towers
- Railway structures
- Industrial platforms
Heavy Engineering Industry
- Construction equipment
- Heavy machinery
- Structural fabrication
Industrial Applications
- Storage tanks
- Material handling systems
- Equipment supports
Fabrication and Welding
ASTM A529 steel products
offer excellent fabrication characteristics.
- Suitable for welding using standard
welding methods
- Easy machining and forming
properties
- Good cold and hot forming
capability
- Suitable for structural fabrication
and assembly
Heat Treatment
ASTM A529 steel may be
supplied in hot rolled or normalized condition.
- Normalizing improves toughness and
grain structure
- Controlled rolling enhances
strength and uniformity
- Heat treatment improves mechanical
properties
Advantages of ASTM A529 / A529M Steel
- Higher strength compared to
conventional carbon steel
- Reduced structural weight
- Excellent fabrication
characteristics
- Long service life
- Reliable performance in heavy-duty
applications
- Cost-effective structural material
solution
Conclusion
ASTM A529 / A529M
carbon-manganese steel plates, bars, and structural shapes are widely used for
structural, construction, bridge, and heavy engineering applications requiring
improved strength and durability. With excellent weldability, toughness, and
structural performance, these products provide reliable service in demanding
industrial environments.
Ladhani Metal Corporation supplies ASTM A529 / A529M steel plates, bars, and structural shapes in various grades, sizes, and customized dimensions, ensuring high-quality structural steel solutions for engineering and industrial applications.
FOR REQUIREMENT OF THIS GRADE
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