Typical physical mechanical properties and grain size
Grade | Density(g/cm³) | HRA | HV30 | TRS(N/mm2) | Grain Size(μm) |
YG6 | 14.9 | 90 | 1400 | 1800 | 1.2-1.6 |
YG6A | 14.9 | 91.5 | 1550 | 2000 | 1.0-1.2 |
YG6X | 14.8 | 91.5 | 1550 | 1890 | 1.0-1.2 |
YG8 | 14.7 | 89.5 | 1350 | 1890 | 1.2-1.6 |
JD | 15.1 | 93 | 1750 | 2000 | 0.6-0.8 |
DJ | 14.5 | 91.5 | 1550 | 3000 | 0.6-0.8 |
XJ | 14.5 | 92 | 1600 | 3000 | 0.6-0.8 |
LY | 13.85 | 88.7 | 1250 | 3000 | 0.6-1.6 |
According to DIN 8032
The high concentricity
Weld preparation and removal
Dressing and fettling
High safety during working