1. Key Properties:
Chromium-Molybdenum Alloy Steel: 10CrMoVnMB9 is a chromium-molybdenum alloy steel that offers excellent resistance to high temperatures, strength, and wear resistance, making it suitable for use in critical applications requiring durability and toughness.
High Temperature Strength: This steel is particularly effective at elevated temperatures, maintaining its strength and hardness in conditions where other steels might degrade.
Good Weldability and Machinability: 10CrMoVnMB9 offers good weldability and machinability, making it suitable for applications that require complex shaping or joining.
Creep Resistance: Due to its chromium and molybdenum content, this steel grade exhibits high resistance to creep, making it ideal for high-temperature applications where materials are subject to long-term stress.
Wear Resistance: The alloying elements (such as vanadium and molybdenum) provide good wear resistance, making this steel suitable for components subjected to wear and friction.
2. Applications/Industries:
Power Generation: 10CrMoVnMB9 is frequently used in the power generation industry for manufacturing boiler tubes, superheaters, and pressure vessels that are subjected to high temperatures and pressures.
Petrochemical: This steel is used in the petrochemical industry for components that are exposed to both high pressures and temperatures, such as pipelines and reactor vessels.
Heavy Machinery: Commonly used for high-stress parts in heavy machinery that require resistance to wear and high-temperature stability.
Oil & Gas: It is used in the oil and gas industry for equipment like drilling tools and other components that must withstand extreme temperatures and pressures.
Chemical Processing: Used in the chemical industry for high-temperature equipment that must maintain mechanical properties under challenging conditions.
3. Certifications/Standards:
DIN 17175: 10CrMoVnMB9 complies with the DIN 17175 standard for seamless steel pipes, ensuring it meets the necessary specifications for use in high-temperature and pressure applications.
ISO 9001: The material is manufactured according to ISO 9001 standards for quality management, ensuring it meets high industry quality standards.
4. Chemical Composition:
Carbon (C): 0.09% – 0.12%
Manganese (Mn): 0.30% – 0.60%
Chromium (Cr): 1.00% – 1.30%
Molybdenum (Mo): 0.40% – 0.60%
Vanadium (V): 0.10% – 0.20%
Nickel (Ni): 0.30% max
Silicon (Si): 0.30% max
Phosphorus (P): 0.020% max
Sulfur (S): 0.010% max
Iron (Fe): Balance
5. Technical Specifications:
Yield Strength:
10CrMoVnMB9: 350–450 MPa (depending on heat treatment and thickness)
Tensile Strength:
10CrMoVnMB9: 500–700 MPa
Hardness:
10CrMoVnMB9: Typically ranges between 170–220 HB (Brinell hardness) after heat treatment.