Product brief introduction

 G20CrNi2MoIs a kind of rolling bearing steel standards: GB/T 3203-1982;
Grade with corresponding to the United States ASTM 4320 h standards A534-04;
Japanese brand SNCM420 executive standard JIS G4053-2008;
German brand 20 nicrmo7 standards EN ISO 683/17-1999.

Product Parameter

（C）0.17~0.23

（Si）0.15~0.40

（Mn）0.40~0.70

（Cr）0.35~0.65

（Ni）1.60~2.00

（Mo）0.20~0.30

（Cu）≤0.25

（P）≤0.030

（S）≤0.030

Technical Equipment

Alloy carburizing steel, carburized surface has a high degree of hardness, abrasion resistance and contact fatigue strength, at the same time the core remains good toughness, can withstand the high impact load.
It is mainly used for railway bearing, etc impact resistance, wear resistance parts.