GG 15 Steel Grade: Unleashing its Potential in Automotive Manufacturing

GG 15 Steel Grade: Unleashing its Potential in Automotive Manufacturing

Specification:

GG 15 steel grade is a versatile casting material that has found significant use in the automotive manufacturing industry. It possesses excellent mechanical properties and a well-balanced chemical composition, making it suitable for numerous automotive applications.

Mechanical Properties:

1. Tensile Strength: GG 15 steel grade has a minimum tensile strength of 150 MPa, providing the necessary strength and durability required for automotive components.

2. Yield Strength: The yield strength of GG 15 steel grade is approximately 100 MPa. This property ensures that the material can withstand significant load and stress without permanent deformation.

3. Elongation: GG 15 steel grade exhibits a minimum elongation of 10%, indicating its ability to withstand deformation and absorb energy during usage.

4. Hardness: Typically, GG 15 steel grade has a hardness range of 150-200 HB, providing good wear resistance against abrasive forces.

5. Impact Resistance: GG 15 steel grade has excellent impact resistance, allowing it to absorb sudden shocks and impacts without failure.

Chemical Composition:

GG 15 steel grade is primarily composed of the following key elements:

1. Carbon (C): Carbon content in GG 15 steel grade ranges from 2.9% to 3.3%. This element provides strength and hardness to the material.

2. Silicon (Si): GG 15 steel grade contains approximately 1.8% to 2.2% silicon, which enhances its castability and fluidity, allowing for complex automotive component manufacturing.

3. Manganese (Mn): Manganese content in GG 15 steel grade ranges from 0.6% to 0.9%. This element improves the material’s strength, hardenability, and wear resistance.

4. Phosphorus (P): Phosphorus content in GG 15 steel grade is limited to a maximum of 0.15%. It helps in improving the material’s machinability and strength.

5. Sulfur (S): Sulfur content is limited to a maximum of 0.15% in GG 15 steel grade. It enhances the machinability of the material.

The well-balanced chemical composition and excellent mechanical properties of GG 15 steel grade make it a preferred choice for automotive manufacturers. It is commonly used in the production of engine blocks, transmission housings, brake components, and other critical automotive parts.
GG 15 Steel grade
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