21CrMoV5-7 Properties and Usages
21CrMoV5-7 is a steel alloy that belongs to the family of chromium-molybdenum steels. It is normally used in the wrought and normalized condition. This alloy is often used in the automotive and transport industries, due to its various properties.
High Temperature Strength
21CrMoV5-7 has a high strength at high temperatures. This is because the alloy contains chromium and molybdenum. These are both important electrical engineering elements and are beneficial for increasing the strength of the alloy at high temperatures. The alloy is known for being able to withstand temperatures of up to 1000°C in the usual conditions encountered in the transport industry.
High Impact Strength
21CrMoV5-7 has a lot of impact strength and is generally one of the strongest steels around. This helps to make it a popular choice for heavy duty applications in the transport and automotive industries.
Good Elasticity
21CrMoV5-7 has good elasticity. This ensures that the steel is able to deform under high stress without breaking. This makes it the perfect material for a range of applications, due to its ability to be bent, shaped and formed.
Weldability
21CrMoV5-7 is relatively easy to weld, although it is not the easiest of materials to work with. However, when it is welded correctly, it produces strong and reliable welds.
Corrosion Resistance
21CrMoV5-7 is resistant to corrosion and will not corrode in most normal circumstances. This makes it a good choice for applications in cooler and wet environments, where other materials may have issues with rust and corrosion over time.
Cost
21CrMoV5-7 is reasonably inexpensive when compared to other similar steels. This makes it a cost-effective choice for many applications without sacrificing on its other beneficial properties.
Uses
There are many uses for 21CrMoV5-7. This steel alloy is often used in applications that require a combination of high temperature strength, good elasticity, high impact strength and weldability. It is often used in the automotive and transport industries. It has been used in the construction of car engines, gearboxes, axles and chassis. It has also been used in the aerospace industry for components such as fuselage frames and landing gear struts. Due to its corrosion resistance, it is often used in applications in wetter environments, such as in boats and ships.
Conclusion
21CrMoV5-7 is a chromium-molybdenum steel that is often used in a variety of applications in the automotive and transport industries. It has good strength at high temperatures, a high impact strength and is also able to resist corrosion. It is also cost effective and relatively easy to weld. It is the perfect material for a variety of applications, due to its combination of beneficial properties.
