Overview
Technical Parameter
This material is developed based on the special conditions of reciprocating motion and significant lateral force of shock absorbers. It has a very low coefficient of friction and good wear resistance, and can be used under semi dry conditions.
| Material | Carbon steel/Steel+Copper powder/Bronze+(PTFE+Filler/Miller) |
| Applications | This product is mainly used for automotive shock absorbers, motorcycle shock absorbers, hydraulic cylinders, etc |
| Maximum bearing pressure P (dry friction) | Static Load 250N/mm² |
| Dynamic 140N/mm² | |
| Swing 60N/mm² | |
| Maximum linear velocity V | Dry Friction 2.0m/s |
| Oil Lubrication ＞5m/s | |
| Maximum PV value | Dry Friction 1.8N/mm²·m/s |
| Oil Lubrication 3.6N/mm²·m/s | |
| Coefficient of friction u | Dry Friction 0.08~0.20 |
| Oil Lubrication 0.02~0.08 | |
| Matching shaft diameter | Hardness HB ＞220 |
| Roughness Ra 0.4~1.25 | |
| Working temperature | -200~+280℃ |
| Thermal conductivity | 40W/mk |
| Linear expansion coefficient (axial) | 11×10-6/K |
| External surface coating | Copper or tin |