| 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 | |||
Coefficient of Friction Table shown here.
