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What is A36 Steel?

A36 steel is a type of carbon steel that is commonly used in construction and industrial applications. It gets its name from its composition, which includes a maximum of 0.29% carbon and other elements like manganese, phosphorus, sulfur, and silicon. A36 steel is known for its strength and durability, and it is often used in the construction of buildings, bridges, and other structures. It is also commonly used in manufacturing and fabrication, such as in the creation of tanks, machinery, and other metal products. A36 steel is relatively inexpensive compared to other types of steel, which also contributes to its widespread use.

SteelFront widely uses A36 steel in its tubes, structural angles and various bar shapes. We refer to it as a “structural” steel due to the strength it provides in the field across various applications.

Properties of A36 Steel

Density: 7,800 kg/m3 (0.28 lb/cu in)

Poisson’s Ratio: 0.32

Elongation: 20%

Young’s Modulus: 200 GPa (29,000,000 psi)

Shear Modulus: 75 GPa (10,900,000 psi)

Electrical Resistance: 0.0000153 ohm/cm

Maintains Ultimate Strength up to 650°F

Less than 8″ Thickness:

Minimum Yield Strength: 36,000 psi (250 MPa)

Ultimate Tensile Strength: 58,000–80,000 psi (400–550 MPa)

Chemical Composition:

Iron (Fe): 99%

Manganese (Mn): 0.75%

Carbon (C): 0.26%

Copper (Cu): 0.2%

Phosphorus (P): 0.04%

Sulfer (S): 0.05%