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Coefficient of Friction Table
| Coefficient of Friction Table |
|
| Material 1 | Material 2 |
Coefficient Of Friction |
| Dry | Greasy |
| Static | Sliding | Static | Sliding | Aluminum | Aluminum | | 1.4 |
0.3 | | Aluminum | Mild Steel | | 0.47 |
| | Brake Material | Cast Iron | | |
| | Brake Material | Cast Iron (Wet) | | |
| | Brass | Cast Iron | | 0.3 |
| | Brick | Wood | 0.6 | |
| | Bronze | Cast Iron | | 0.22 |
| | Bronze | Steel | | |
0.16 | | Cadmium | Cadmium | | |
0.05 | | Cadmium | Mild Steel | | 0.46 |
| | Cast Iron | Cast Iron | | 0.15 |
| 0.07 | Cast Iron | Oak | | 0.49 |
| 0.075 | Chromium | Chromium | 0.41 | |
0.34 | | Copper | Cast Iron | | 0.29 |
| | Copper | Copper | | |
0.08 | | Copper | Mild Steel | | 0.36 |
| 0.18 | Copper-Lead Alloy | Steel | 0.22 | |
| | Diamond | Diamond | | |
0.05 - 0.1 | | Diamond | Metal | | |
0.1 | | Glass | Glass | | 0.4 |
0.1 - 0.6 | 0.09 - 0.12 | Glass | Metal | | |
0.2 - 0.3 | | Glass | Nickel | | 0.56 |
| | Graphite | Graphite | | |
0.1 | | Graphite | Steel | | |
0.1 | | Graphite (In vacuum) | Graphite (In vacuum) | 0.5 - 0.8 | |
| | Hard Carbon | Hard Carbon | | |
0.12 - 0.14 | | Hard Carbon | Steel | | |
0.11 - 0.14 | | Iron | Iron | 1.0 | |
0.15 - 0.2 | | Lead | Cast Iron | | 0.43 |
| | Leather | Wood | | |
| | Leather | Metal(Clean) | | |
0.2 | | Leather | Metal(Wet) | | |
| | Leather | Oak (Parallel grain) | | 0.52 |
| | Magnesium | Magnesium | 0.6 | |
0.08 | | Nickel | Nickel | | 0.53 |
0.28 | 0.12 | Nickel | Mild Steel | | 0.64 |
| 0.178 | Nylon | Nylon | 0.15 - 0.25 | |
| | Oak | Oak (parallel grain) | | 0.48 |
| | Oak | Oak (cross grain) | | 0.32 |
| 0.072 | Platinum | Platinum | 1.2 | |
0.25 | | Plexiglas | Plexiglas | | |
0.8 | | Plexiglas | Steel | | |
0.4 - 0.5 | | Polystyrene | Polystyrene | | |
0.5 | | Polystyrene | Steel | | |
0.3 - 0.35 | | Polythene | Steel | 0.2 | |
0.2 | | Rubber | Asphalt (Dry) | | 0.5 - 0.8 |
| | Rubber | Asphalt (Wet) | | 0.25 - 0.0.75 |
| | Rubber | Concrete (Dry) | | 0.6 - 0.85 |
| | Rubber | Concrete (Wet) | | 0.45 - 0.75 |
| | Saphire | Saphire | 0.2 | |
0.2 | | Silver | Silver | 1.4 | |
0.55 | | Sintered Bronze | Steel | | |
0.13 | | Solids | Rubber | 1.0 - 4.0 | |
| | Steel | Aluminium Bros | | |
| | Steel | Brass | | |
0.19 | | Steel | Cast Iron | | |
0.21 | | Steel | Copper Lead Alloy | | |
0.16 | 0.145 | Steel | Graphite | | |
0.1 | | Steel | Phos Bros | | |
| | Steel | Zinc (Plated on steel) | | 0.45 |
| | Steel(Mild) | Brass | | 0.44 |
| | Steel(Mild) | Cast Iron | | 0.23 |
0.183 | 0.133 | Steel(Mild) | Lead | | 0.95 |
0.5 | 0.3 | Steel(Mild) | Phos. Bros | | 0.34 |
| 0.173 | Steel(Mild) | Phos Bros | | |
| | Steel (Hard) | Graphite | | |
0.09 | | Steel (Hard) | Polythened | | |
0.2 | | Steel (Hard) | Polystyrene | | |
0.3 - 0.35 | | Steel (Hard) | Steel (Hard) | | 0.42 |
0.05 - 0.11 | 0.029 - 0.12 | Teflon | Steel | | |
0.04 | 0.04 | Teflon | Teflon | | |
0.04 | 0.04 | Tin | Cast Iron | | 0.32 |
| | Tungsten Carbide | Tungsten Carbide | | |
0.12 | | Tungsten Carbide | Steel | | |
0.08 - 0.2 | | Tungsten Carbide | Copper | | |
| | Tungsten Carbide | Iron | | |
| | Wood | Wood(clean) | | |
| | Wood | Wood (Wet) | | |
| | Wood | Metals(Clean) | | |
| | Wood | Metals (Wet) | | |
| | Wood | Brick | | |
| | Wood | Concrete | | |
| | Zinc | Zinc | | |
0.04 | | Zinc | Cast Iron | | 0.21 |
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