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38MnVS5 non-quenched and tempered steel uses
The chemical composition of 38MnVS5 non-quenched and tempered structural steel generally includes carbon (C), silicon (Si), manganese (Mn), sulfur (S) and vanadium (V). These components can improve the hardness, strength and toughness of the steel.
38MnVS5 has good strength and toughness, making it suitable for applications that can withstand higher forces and impacts. 38MnVS5 can improve its wear resistance and fatigue resistance after proper heat treatment, and is suitable for parts that require high wear resistance and fatigue resistance in working environments.
Application areas:
Automobile industry: 38MnVS5 is often used in the manufacture of automobile parts, such as crankshafts, connecting rods, shock absorbers and torsion bars, etc. It has good application performance in parts that require high strength and toughness.
Mechanical Engineering: Due to the strength and wear resistance of 38MnVS5, it is often used to manufacture parts in the field of mechanical engineering, such as bearing seats, gears, friction linings, etc.
Engineering machinery: 38MnVS5 is often used in the structures and components of engineering machinery, such as excavators, loaders, bulldozers, etc., and has good performance in high-load and high-impact environments.
Mining equipment: Due to the wear resistance and fatigue resistance of 38MnVS5, it is suitable for manufacturing components with high life requirements such as cutting tools, hammer heads, and breakers in mining equipment.
38MnVS5 heat treatment method:
1. Standardized treatment: Heat 38MnVS5 to an appropriate temperature range (usually 900-950 degrees Celsius), keep it for a period of time, and then cool the steel through air cooling or air cooling. Standardized processing can eliminate internal stress and improve the toughness and strength of steel.
2. Tempering treatment: After standardization treatment, 38MnVS5 can be tempered to adjust the hardness and toughness. The temperature and time of tempering can be adjusted according to the desired performance requirements. Tempering can reduce hardness while increasing toughness.
3. Normalizing treatment: 38MnVS5 is heated to an appropriate temperature and then rapidly cooled (such as water quenching or oil quenching) to increase the hardness and strength of the steel. Normalizing is usually performed after quenching.
4. Tissue quenching and tempering: When it is necessary to improve the processing performance of 38MnVS5 or eliminate internal defects, annealing treatment can be performed using tissue quenching and tempering. By heating the steel to an appropriate temperature region and then cooling it slowly, stress can be relieved and the material's toughness and workability improved.
Mechanical behavior:
Yield strength: generally at least 380 MPa (MPa).
Tensile strength: Typically between 550 and 700 megapascals (MPa).
Elongation: generally at least 15% or more.
Hardness: Usually between 180 and 220HB (Brinnell hardness).
