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Friction Coefficients: Steel, mild
Polyester PBT ASM unlubricated to Steel mild ASM unlubricated
Static and kinetic friction coefficients between material pairs under various surface conditions
| material 1 | material 2 condition | material 2 | mu kinetic max (dimensionless) | mu kinetic min (dimensionless) | mu static max (dimensionless) | mu static min (dimensionless) | surface condition |
|---|---|---|---|---|---|---|---|
| Steel, mild | Polyester PBT ASM unlubricated | Polyester PBT | 0.25 | 0.25 | 0.19 | 0.19 | Unlubricated, room temperature, ambient air |
| Steel, mild | Polyethylene ASM unlubricated | Polyethylene | 0.13 | 0.13 | 0.09 | 0.09 | Unlubricated, room temperature, ambient air |
| Steel, mild | Polypropylene ASM unlubricated | Polypropylene | 0.11 | 0.11 | 0.08 | 0.08 | Unlubricated, room temperature, ambient air |
| Steel, mild | Polystyrene ASM unlubricated | Polystyrene | 0.32 | 0.32 | 0.28 | 0.28 | Unlubricated, room temperature, ambient air |
| Steel, mild | Polysulfone ASM unlubricated | Polysulfone | 0.37 | 0.37 | 0.29 | 0.29 | Unlubricated, room temperature, ambient air |
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