Products
|G20CrNi2Mo Bearing Steel Bars |
G20CrNi2Mo is a commonly used alloy carburized bearing steel. We can offer G20CrNi2Mo forged steel bars, G20CrNi2Mo hot rolled bars and G20CrNi2Mo cold drawn round bars.
G20CrNi2Mo Bearing Steel Bars description
Shanghai Katalor is a professional G20CrNi2Mo special steel bars manufacturer and supplier in China. We can offer G20CrNi2Mo forged steel bars, G20CrNi2Mo hot rolled bars and G20CrNi2Mo cold drawn round bars.
G20CrNi2Mo is a rolling bearing steel implementation of the standard: GB/T 3203; corresponding to ASTM 4320H, JIS SNCM420, and DIN 20NiCrMo7. G20CrNi2Mo is a commonly used alloy carburized bearing steel. G20CrNi2Mo carburized bearing steel has a very high hardness, wear resistance and contact fatigue strength. While the heart also retains good toughness, it can withstand high impact load. Mainly used for railway bearings and other impact-resistant, wear-resistant parts.
Chemical composition(%, by weight)
|
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Mo |
Cu |
|
0.17-0.23 |
0.15-0.40 |
0.40-0.70 |
0.03 |
0.03 |
0.35-0.65 |
1.60-2.00 |
0.20-0.30 |
Max 0.25 |
|
Yield |
Tensile |
Impact |
Elongation |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition |
HBW |
|
398 (≥) |
713 (≥) |
21 |
43 |
13 |
Solution and Aging, Annealing, Ausaging, Q+T,etc |
342 |
G20CrNi2Mo special steel is carburized bearing steel billet, hot rolled bars, forged steel bars and cold drawn bars commonly for production for bearing rings and rolling parts.
