A36 steel is a standard carbon steel used primarily for structural applications. It offers good strength and ductility at an affordable cost. Here are the key properties of A36 steel:
Carbon (C): ≤ 0.26%
Manganese (Mn): 0.60–0.90%
Phosphorus (P): ≤ 0.04%
Sulfur (S): ≤ 0.05%
Silicon (Si): ≤ 0.40%
Tensile Strength: 400–550 MPa (58,000–80,000 psi)
Yield Strength: ≥ 250 MPa (36,000 psi)
Elongation: 20% in 200 mm (8 in.), 23% in 50 mm (2 in.)
Density: 7.85 g/cm³ (7850 kg/m³)
Modulus of Elasticity: 200 GPa (29,000 ksi)
Thermal Conductivity: 51.9 W/m·K at 100°C
Melting Point: Approximately 1,425°C to 1,538°C (2,597°F to 2,800°F)
Weldability: A36 steel has excellent weldability with all standard welding methods.
Machinability: A36 steel is easily machinable with standard tools.
Formability: It can be easily formed into various shapes, including plates, beams, and bars.
Corrosion Resistance: While A36 steel can rust, it can be coated or galvanized to improve its corrosion resistance.
A36 steel is commonly used in:
Construction of bridges and buildings
Fabrication of structural steel shapes such as I-beams, channels, and angles
Manufacturing of equipment, machinery parts, and components
These properties make A36 steel suitable for a wide range of structural and fabrication projects.
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