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Specification of StE380 Steel Grade:
StE380 is a high-strength structural steel grade that is commonly used in construction projects. It has a minimum yield strength of 380 MPa and a tensile strength of 520-680 MPa. This steel grade offers excellent weldability and formability, making it suitable for various construction applications such as building frames, bridges, and machinery.
Mechanical Properties of StE380 Steel Grade:
– Yield Strength: The minimum yield strength of StE380 steel grade is 380 MPa. This indicates the maximum stress that can be applied to the steel before it starts to deform permanently.
– Tensile Strength: StE380 steel grade has a tensile strength ranging from 520 to 680 MPa. This measures the maximum stress a material can withstand before it fractures under tension.
– Elongation: StE380 steel grade exhibits a typical elongation of 17-24%. This property denotes the ability of the material to stretch or deform before breaking.
– Impact Toughness: StE380 steel grade possesses good impact toughness, enabling it to resist sudden and intense impacts without fracturing or breaking.
Chemical Composition of StE380 Steel Grade:
The chemical composition of StE380 steel grade is as follows:
– Carbon (C): Carbon content in StE380 steel grade is typically less than 0.23%. The presence of carbon enhances the strength and hardness of the steel.
– Silicon (Si): Silicon is added in small amounts to improve the strength and impact resistance of StE380 steel grade.
– Manganese (Mn): Manganese content in StE380 steel grade ranges from 1.5-2%. It enhances the steel’s hardenability, strength, and wear resistance.
– Phosphorus (P): Phosphorus content in StE380 steel grade is usually limited to 0.035%. Higher phosphorus levels can adversely affect the steel’s weldability and formability.
– Sulfur (S): Sulfur content in StE380 steel grade is generally kept below 0.035%. Excessive sulfur content can cause brittleness in the material.
– Other Elements: StE380 steel grade may contain small amounts of other alloying elements like chromium (Cr), nickel (Ni), and copper (Cu) to enhance certain properties based on specific requirements.
Overall, StE380 steel grade offers a strong foundation for reliable construction projects due to its high strength, good weldability, and formability. Its excellent mechanical properties and chemical composition make it a preferred choice for various structural applications in the construction industry.
StE380 Steel grade
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