24 July 2021 Gear Steel Bar
21NiCrMo5H Gear Steel Bar
21nicrmo5h is gear steel, used in gear more, so called gear steel.
The strength of the gear depends on the chemical composition and heat treatment technology.
Therefore, in the design of gear steel composition, as much as possible to reduce the Si content, appropriate reduction of Mn, Cr elements, increase the Ni, Mo content. To this end, Europe and Japan make full use of micro-alloying elements such as Nb, V, Zr and so on, the original steel microalloying treatment, and the development of high-nickel, high molybdenum high strength gear steel.