1. Key Properties:
Alloy Steel: 22MnCrMoV6 (1.8989) is a high-strength alloy steel that contains manganese, chromium, molybdenum, and vanadium, providing excellent mechanical properties for demanding applications.
High Strength: The steel offers high tensile strength, making it suitable for use in structural and mechanical components that must withstand heavy loads and stresses.
Good Hardness and Wear Resistance: The alloy's content of chromium and molybdenum improves wear resistance, while vanadium contributes to the steel’s ability to resist deformation under load.
Good Toughness: Despite its high strength, 22MnCrMoV6 maintains good toughness, which helps prevent brittle failure in components exposed to shock or impact.
Heat Treatment Hardenability: This steel responds well to heat treatment, which allows it to achieve a broad range of hardness levels depending on the specific application and operational conditions.
Corrosion Resistance: While not as resistant to corrosion as stainless steel, 22MnCrMoV6 provides good resistance to corrosion in many industrial environments.
2. Applications/Industries:
Automotive: Used in the automotive industry for manufacturing high-stress components like axles, gears, shafts, and other drive train components due to its high strength and toughness.
Oil & Gas: 22MnCrMoV6 is used in the oil and gas industry for making pipes, drilling tools, and other equipment that must withstand high pressure, temperature, and harsh environmental conditions.
Heavy Machinery: Ideal for parts in heavy machinery such as gears, shafts, and bearings, where high strength, wear resistance, and toughness are essential.
Construction: Used for structural components in construction machinery, such as cranes, excavators, and other equipment subjected to high stress and load.
Power Generation: This steel is utilized in power plants, especially in applications like turbine shafts and pressure vessels that need to handle high temperatures and mechanical stress.
Aerospace: Sometimes used in aerospace for structural parts that require both strength and fatigue resistance, particularly in applications exposed to high loads.
3. Certifications/Standards:
DIN 1.8989: 22MnCrMoV6 complies with the DIN 1.8989 standard, ensuring it meets the necessary specifications for use in high-strength applications.
ISO 9001: The material is manufactured according to ISO 9001 standards, ensuring it meets global quality management requirements and consistent product performance.
4. Chemical Composition:
Carbon (C): 0.18% – 0.22%
Manganese (Mn): 1.00% – 1.30%
Chromium (Cr): 0.80% – 1.10%
Molybdenum (Mo): 0.15% – 0.30%
Vanadium (V): 0.05% – 0.15%
Silicon (Si): 0.20% – 0.40%
Phosphorus (P): 0.035% max
Sulfur (S): 0.035% max
Iron (Fe): Balance
5. Technical Specifications:
Yield Strength:
22MnCrMoV6: 550–750 MPa (depending on heat treatment and thickness)
Tensile Strength:
22MnCrMoV6: 750–950 MPa
Hardness:
22MnCrMoV6: Typically ranges between 200–280 HB (Brinell hardness), depending on the heat treatment.