Carbon structural steel Q215B

Carbon Structural Steel Q215B

Carbon Structural Steel Q215B is a kind of ordinary carbon structural steel, whose main components are iron, silicon, and manganese. It is the most commonly used structural steel and is widely used in bridges, ships, vehicles, machines, pressure vessels and other general parts.

Physical Properties

Carbon Structural Steel Q215B is an economical and versatile form of steel. It has a certain strength and good plasticity. Its main alloy components are C, Si and Mn. Its specific strength and plasticity can be better used in the production of high-quality steel parts. Its mainly used in construction, water and electricity engineering and other fields.

Mechanical Properties

Carbon Structural Steel Q215B has excellent mechanical properties and has good welding performance. It can meet the requirements of high-quality welding production and galvanizing production. Carbon Structural Steel Q215B hashigh strength and good ductility, so it is suitable for welding and connecting various parts that need to bear high load.

Heat Treatment Performance

Carbon Structural Steel Q215B is a low-carbon steel and its heat treatment performance is good. It is suitable for Normalizing, Annealing, Quenching and Tempering treatment. But when the steel parts have large size and the production can not be completed by the common process, Normalizing without heat treatment is also suitable.

Chemical Composition and Related Requirements

Carbon Structural Steel Q215Bs Chemical Composition has the following requirements:C: 0.10-0.18, Si: 0.17-0.37, Mn: 0.35-0.65, P≤0.035, S≤0.035, Nb≤0.09. High-quality Carbon Structural Steel Q215B requires lower contents of P and S, so it has higher strength and better plasticity.

Characteristics

Carbon Structural Steel Q215B has excellent mechanical properties and welding performance, low cost performance, convenient and simple use in production, so it has been widely used in construction and water engineering, automobile, ships and pressure vessels and other fields. The overall performance is moderate and it has a wide range of uses.

Conclusion

Carbon Structural Steel Q215B has the characteristics of good plasticity, good weldability, and low cost. It is widely used in the production of general structures and parts that bear mechanical loads. It has a good performance in heat treatment and has high strength and good ductility, so it can be connected to various parts that need to bear high load. In terms of chemical composition, it is required to have low P and S content, so that it has higher strength and better plasticity.

Carbon Structural Steel Q215B

Carbon structural steel Q215B is widely used in bridges and buildings. It is a very high strength steel and is widely used in industrial construction, ships, bridges, electric power, metallurgy and other fields.

Carbon structural steel Q215B is a kind of low carbon steel. Its carbon content is 0.25%, and its specific gravity is 7.85g/cm3. It has excellent plasticity, toughness and weldability, and its strength, hardness and performance are better than that of Q215A steel.

The mechanical properties of Q215B vary with the heat treatment process. Hardness can reach HRC20–26 and tensile strength is around 340-440Mpa. It is suitable for manufacturing various engineering machinery components, forgings and heat treatment processes.

The chemical composition of Q215B carbon structural steel is as follows: C: 0.08-0.13, Mn: 0.20-0.35, Si: ≤0.30, P: ≤0.045, S: ≤0.045. This chemical composition can be used to make large amounts of forgings and steels with good plasticity, toughness, weldability and cold and hot pressure processing performance.

In summary, Q215B carbon structural steel has excellent plasticity, toughness and weldability, and has reasonable mechanical properties. It is suitable for manufacturing various engineering machinery components and forgings, and it has been widely used in many industries.