1. Key Properties:
Chromium-Molybdenum Alloy Steel: 12CrMoV10 (DIN 1.7335) is a high-alloy steel that contains chromium and molybdenum, offering excellent strength, hardness, and resistance to high temperatures and pressures.
High-Temperature Strength: This steel exhibits outstanding strength at elevated temperatures, making it suitable for use in applications where heat resistance is critical.
Creep and Fatigue Resistance: The chromium and molybdenum content enhances the material's ability to resist creep and fatigue, making it ideal for components subjected to prolonged high-stress and high-temperature conditions.
Good Weldability: While 12CrMoV10 can be challenging to weld without proper procedures, it is generally weldable with the correct preheat and post-heat treatment.
Good Hardenability: The alloy composition provides good hardenability, which ensures that 12CrMoV10 retains its strength and toughness after heat treatment.
Corrosion Resistance: The steel offers some resistance to corrosion, but for highly corrosive environments, additional surface treatment may be necessary.
2. Applications/Industries:
Power Generation: 12CrMoV10 is frequently used in the power generation industry for manufacturing components like boiler tubes, superheaters, and heat exchangers, where high-temperature resistance and durability are essential.
Petrochemical: This alloy is also used in the petrochemical industry for piping, reactor vessels, and heat exchangers that need to withstand high-pressure and high-temperature environments.
Oil & Gas: The steel is used for components in the oil and gas sector, such as pipelines and drilling tools, due to its excellent strength and heat resistance.
Heavy Machinery: This steel is used for high-stress parts in heavy machinery, such as gears and shafts, that are exposed to harsh operating conditions.
Chemical Processing: 12CrMoV10 is used in the chemical processing industry for equipment that must endure high temperatures and pressures, including reactors and pressure vessels.
3. Certifications/Standards:
DIN 17175: 12CrMoV10 complies with DIN 17175, which specifies seamless steel pipes for high-temperature service, ensuring the steel meets required mechanical properties for use in elevated temperature conditions.
ISO 9001: This product meets ISO 9001 standards for quality management systems, ensuring reliable manufacturing and consistent product quality.
4. Chemical Composition:
Carbon (C): 0.10% – 0.15%
Manganese (Mn): 0.40% – 0.60%
Chromium (Cr): 1.00% – 1.20%
Molybdenum (Mo): 0.40% – 0.60%
Vanadium (V): 0.10% – 0.15%
Silicon (Si): 0.30% max
Phosphorus (P): 0.020% max
Sulfur (S): 0.010% max
Iron (Fe): Balance
5. Technical Specifications:
Yield Strength:
12CrMoV10: 350–450 MPa (depending on heat treatment and thickness)
Tensile Strength:
12CrMoV10: 500–650 MPa
Hardness:
12CrMoV10: Typically in the range of 180–220 HB (Brinell hardness) after heat treatment.