Breaking Boundaries: How 28Mn6 Steel Grade Is Redefining Structural Strength

The specification of the 28Mn6 steel grade includes various mechanical properties and chemical composition that contribute to its ability to redefine structural strength.

Mechanical properties:
– Yield strength: The 28Mn6 steel grade has a minimum yield strength of 280 MPa, indicating its ability to withstand substantial loads without permanent deformation.
– Tensile strength: The steel grade has a tensile strength ranging from 470 MPa to 630 MPa, indicating its ability to resist stretching and fracturing under tension.
– Elongation: The percentage elongation of the steel grade is typically between 16% and 20%, illustrating its ability to deform without fracturing when subjected to tensile stress.
– Impact strength: The 28Mn6 steel grade exhibits good impact strength, allowing it to absorb energy without breaking or deforming when exposed to heavy loading or sudden impacts.
– Hardness: The steel grade has a hardness range of 170 to 210 HB (Brinell hardness), indicating its resistance to penetration and wear.

Chemical composition:
– Carbon (C): The carbon content in the 28Mn6 steel grade is typically between 0.15% and 0.32%. Carbon enhances the strength and hardness of the steel.
– Manganese (Mn): The steel grade contains around 1.0% to 1.3% manganese, which improves the hardenability and strength of the steel.
– Silicon (Si): Silicon is present in small amounts (typically less than 0.4%) and improves the steel’s strength and hardness.
– Phosphorus (P) and Sulfur (S): The steel grade has a low phosphorus and sulfur content, usually below 0.035% each. This ensures good weldability and prevents brittleness in the steel.
– Other elements: The 28Mn6 steel grade may also contain small amounts of other alloying elements like chromium (Cr), nickel (Ni), and copper (Cu) for specific performance enhancements.

Overall, the 28Mn6 steel grade’s mechanical properties and chemical composition contribute to its exceptional strength, durability, and ability to redefine structural strength in various applications.
28Mn6 Steel grade
1698362775