astm a36 carbon steel

ASTM A36 Carbon Steel: Overview and Applications

ASTM A36 carbon steel is a widely used structural steel grade with good mechanical properties and low carbon content. It has been hot rolled into a variety of shapes and sizes, including bars, rods, sheets, angles, channels, and beams, making it suited for many applications in different industries.

Composition and Properties

ASTM A36 steel contains a carbon content of up to 0.29 weight percent and a maximum of 0.80 weight percent manganese. Other chemical elements that may be present in small amounts include phosphorus, sulfur, silicon, and copper. The steel has a minimum yield strength of 36,000 psi and a minimum tensile strength of 58,000-80,000 psi, depending on the thickness and diameter of the material.


ASTM A36 carbon steel has a wide range of applications, including construction of buildings, bridges, and other structures; fabrication of heavy machinery and equipment; manufacturing of automotive, marine, and aerospace parts; and production of oil and gas products. It is also used in the creation of pipes, tanks, and cylinders for different storage and transportation applications. With its ultimate tensile strength and high-quality properties, it is often used in critical components for demanding applications.

Welding and Machining

ASTM A36 carbon steel is considered easy to weld, with good weldability characteristics. It can be welded using a variety of methods, including gas, arc, and resistance welding. The steel can also be machined using conventional methods to produce different shapes and sizes. This makes it easy to produce custom pieces, machinery, and components with precise specifications.


ASTM A36 carbon steel is a versatile and widely used material. Its good mechanical properties and low carbon content make it suitable for a variety of applications in many industries. Whether it’s construction, fabrication, automotive, marine, or aerospace, its strength and durability make it a popular choice for engineers and designers. Additionally, its weldability and machinability make it easy to work with, making it a go-to material for custom projects and components that require precision and accuracy.

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