31CrMoV9 is a low-alloy, martensitic chromium-molybdenum-vanadium steel used for making automotive parts and components, as well as various construction, mechanical and industrial materials. The alloy is typically air-hardened, enabling manufacturers to shape and form components with a great deal of precision.
It has a relatively high tensile strength compared to other alloys at 690MPa and a higher yield strength of 550MPa. Components made from 31CrMoV9 also have a good fatigue life, as well as good thermal conductivity and shock absorption characteristics, making it highly suitable for automotive parts.
The alloy is a popular choice for rollers, bearings, carburizing gears, crankshafts, cylinder heads, wheel hubs, and other components used in engine assemblies. It is also commonly used in the manufacture of transmission and suspension parts, as well as in any applications requiring a high level of fatigue or wear resistance.
Due to its good thermal conductivity, 31CrMoV9 is also used in the manufacture of components exposed to high temperatures, such as exhaust and intake manifolds. Its high fatigue strength ensures durability in components subjected to high stress and strain. It is also used for making high-performance components for aircraft and high-performance vehicles.
Another common use for the low-alloy, martensitic chromium-molybdenum-vanadium steel is in the manufacture of bearing rings. Its wear and fatigue resistance, as well as its strength, make it a good choice for manufacturing bearing components. It is also used in the manufacture of tooling components and other tools used in machine shops, where accurate machining and forming are essential.
31CrMoV9 is also an excellent choice of material when it comes to making wear parts such as gears, couplings, and belts. Its strength, wear and fatigue resistance make it ideal for these components.
The alloy is also used for making valves and other components for the energy, oil and gas industries, where its secondary hardening characteristics make it suitable for use in extreme temperature environments.
In conclusion, 31CrMoV9 is an incredibly versatile low-alloy, martensitic chromium-molybdenum-vanadium steel. With its high strength, wear and fatigue resistance, as well as its durability, it is a popular choice for manufacturers who require precision components for a wide variety of applications, from automotive and industrial to the energy, gas, and oil industries.
