JDB500#-5 is made of reinforced material-steel Gcr15 with solid lubricant embedded in it. Its good performance of high crash strength can be shown in supporting position of hoisting Machine. e.g. support part of windlass and crane. It can not use in water
| Grade | JDB500#-5 | |
| Material | steel/Gcr15+graphite | |
| Density g/cm2 | 7.8 | |
| Hardness HB | HRC>58 | |
| Tensile strength N/mm2 | >1500 | |
| Yeild strength N/mm2 | >15 | |
| Elongation % | >15 | |
| Coefficient of linea『expansion-5/°C | 1.1 | |
| Heat-conducting Coefficient W(/m.k) | — | |
| Flexibility Coefficient KN/mm2 | — | |
| Temp. Limits°C | -40~+400 | |
| Max. Dynamic Load N/mm2 | 150 | |
| Max.speed m/s | Dry Lubrication | — |
| Oil Lubrication | 1.0 | |
| Max PV N/mm2 · m/s | Dry Lubrication | 0.8 |
| Oil Lubrication | 1.55 | |
| Frictionμ | Dry Lubrication | 0.13-0.2 |
| Oil Lubrication | 0.04-0.08 | |
It is suitable for mold guide column, injection molding machine mold base and other fields.