Enhancing Durability: How 35S20 Steel Grade Stands Out in Construction

Specification:

The 35S20 steel grade is known for its exceptional durability and strength, making it an ideal choice for construction applications. This steel grade has been widely used in various structural components due to its excellent mechanical properties and favorable chemical composition.

Mechanical Properties:

1. Tensile Strength: The 35S20 steel grade exhibits a high tensile strength, which ensures its ability to withstand heavy loads and resist deformation. It has a minimum tensile strength of 650 MPa (Mega Pascals).

2. Yield Strength: This steel grade also has a notable yield strength, indicating its capability to endure stress without permanent deformation. The minimum yield strength of 35S20 steel is 450 MPa.

3. Elongation: The elongation at break of 35S20 steel is at least 15%, making it highly ductile and resistant to cracking or fracturing. This property is crucial in construction applications where structures may be subjected to dynamic loads or vibrations.

4. Hardness: The hardness of 35S20 steel ranges from 200 to 240 HB (Brinell hardness). This hardness level ensures the steel’s ability to resist wear and tear, making it suitable for use in various construction components.

Chemical Composition:

The chemical composition of 35S20 steel is as follows:

1. Carbon (C): The carbon content of this steel grade is around 0.30% to 0.40%. Carbon enhances the strength and hardness of steel, contributing to its overall durability.

2. Silicon (Si): The silicon content ranges from 0.10% to 0.40%. Silicon improves the steel’s resistance to corrosion and enhances its strength and heat resistance.

3. Manganese (Mn): The manganese content is around 0.80% to 1.10%. Manganese increases the hardenability of steel and improves its tensile strength, making it more resistant to wear and deformation.

4. Sulfur (S): The sulfur content in 35S20 steel is typically less than 0.05%. Low sulfur levels contribute to better machinability and improved surface quality of the steel.

5. Phosphorus (P): The phosphorus content is generally kept below 0.05%. Low phosphorus levels help reduce brittleness and improve the steel’s resistance to corrosion.

In conclusion, the 35S20 steel grade stands out in construction due to its exceptional durability, which is achieved through its impressive mechanical properties and favorable chemical composition. Its high tensile and yield strengths, along with its ductility and hardness, make it an ideal choice for structural components that require strength, resilience, and resistance to wear and tear.
35S20 Steel grade
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