Description:
Gear Steel 20CrMnTiH:
● Chemical Composition:
Carbon C: 0.17 ~ 0.23
Si Si: 0.17 ~ 0.37
Mn Mn: 0.80 ~ 1.15
Sulfur S: to allow the residual content ≤0.035
Phosphorus P: to allow the residual content ≤0.035
Chromium Cr: 1.00 ~ 1.35
Ni: to allow the residual content ≤0.030
Cu: to allow the residual content ≤0.030
Titanium Ti: 0.04 ~ 0.10
● Mechanical Properties:
Hardness: annealing or tempering, ≤217HB, indentation diameter ≥4.1mm
● Heat treatment and microstructure specifications:
● Delivery status: to rolling or forging state delivery. According to the requirements can also heat treatment (normalizing, annealing or tempering) state delivery. Delivery status should be specified in the contract. | 
