Weathering steel 05CuPCrNi-A

Weathering steel 05CuPCrNi-A concept

Weathering steel 05CuPCrNi-A is a kind of low alloy steel with high strength and good corrosion resistance, and the specific material grade is 05CuPCrNi-A. It is based on CorTen steel developed steel, widely used in railway, vehicles, Bridges, towers and other fields.

Characteristics of weathering steel 05CuPCrNi-A

High strength: 05CuPCrNi-A has high yield strength and tensile strength, and can withstand large external forces.

Good corrosion resistance: Due to the addition of Cu, P and other alloying elements, 05CuPCrNi-A has excellent corrosion resistance and can work in atmospheric environment and corrosive gases and liquids for a long time.

Chemical composition of weathering steel 05CuPCrNi-A

The chemical composition of 05CuPCrNi-A mainly includes the following elements:

Carbon (C) : The content is usually below 0.12%, which helps to ensure the strength and toughness of the steel.

Silicon (Si) : The content is between 0.20% and 0.50%, which can improve the corrosion and heat resistance of steel.

Manganese (Mn) : The content is between 0.50% and 1.20%, which helps to enhance the strength and hardness of steel.

Phosphorus (P) : The content is less than 0.06%, which is one of the effective elements to improve the atmospheric corrosion resistance.

Sulfur (S) : The content is also below 0.06%, usually controlled as an impurity element.

Chromium (Cr) : The content is between 0.30% and 1.25%, and the combination of Cu element can significantly improve the corrosion resistance of steel.

Nickel (Ni) : The content is between 0.12% and 0.65%, which also helps to enhance the corrosion resistance of steel.

Copper (Cu) : the content is between 0.25% and 0.50%, which is one of the most important alloying elements to improve atmospheric corrosion resistance.

Vanadium (V) : the content is between 0.01% and 0.20%, which helps to refine the grain and improve the strength and toughness of steel.

Mechanical properties of weathering steel 05CuPCrNi-A

The mechanical properties of 05CuPCrNi-A mainly include the following aspects:

Yield strength: ≥310 MPa, indicating that the steel can resist the maximum stress of plastic deformation when subjected to external force.

Tensile strength: ≥440 MPa, indicating the maximum stress that the steel can withstand during the tensile process.

Elongation: ≥26%, indicating the degree to which the steel can undergo plastic deformation during the stretching process.

Impact absorption energy: ≥47 J (at room temperature), indicates the energy that the steel can absorb when subjected to impact load.

In general, 05CuPCrNi-A weathering steel with its high strength and good corrosion resistance is widely used in construction, Bridges, rail transit and other fields, providing a high-quality material choice for the production of various structural parts.