Coefficient of Friction Table

Coefficient of Friction Table

Material 1Material 2 Coefficient Of Friction
DryGreasy
StaticSlidingStaticSliding
AluminumAluminum1.4 0.3
AluminumMild Steel0.47
Brake MaterialCast Iron
Brake MaterialCast Iron (Wet)
BrassCast Iron0.3
BrickWood0.6
BronzeCast Iron0.22
BronzeSteel 0.16
CadmiumCadmium 0.05
CadmiumMild Steel0.46
Cast IronCast Iron0.15 0.07
Cast IronOak0.49 0.075
ChromiumChromium0.41 0.34
CopperCast Iron0.29
CopperCopper 0.08
CopperMild Steel0.36 0.18
Copper-Lead AlloySteel0.22
DiamondDiamond 0.05 - 0.1
DiamondMetal 0.1
GlassGlass0.4 0.1 - 0.60.09 - 0.12
GlassMetal 0.2 - 0.3
GlassNickel0.56
GraphiteGraphite 0.1
GraphiteSteel 0.1
Graphite (In vacuum)Graphite (In vacuum)0.5 - 0.8
Hard CarbonHard Carbon 0.12 - 0.14
Hard CarbonSteel 0.11 - 0.14
IronIron1.0 0.15 - 0.2
LeadCast Iron0.43
LeatherWood
LeatherMetal(Clean) 0.2
LeatherMetal(Wet)
LeatherOak (Parallel grain)0.52
MagnesiumMagnesium0.6 0.08
NickelNickel0.53 0.280.12
NickelMild Steel0.64 0.178
NylonNylon0.15 - 0.25
OakOak (parallel grain)0.48
OakOak (cross grain)0.32 0.072
PlatinumPlatinum1.2 0.25
PlexiglasPlexiglas 0.8
PlexiglasSteel 0.4 - 0.5
PolystyrenePolystyrene 0.5
PolystyreneSteel 0.3 - 0.35
PolytheneSteel0.2 0.2
RubberAsphalt (Dry)0.5 - 0.8
RubberAsphalt (Wet)0.25 - 0.0.75
RubberConcrete (Dry)0.6 - 0.85
RubberConcrete (Wet)0.45 - 0.75
SaphireSaphire0.2 0.2
SilverSilver1.4 0.55
Sintered BronzeSteel 0.13
SolidsRubber1.0 - 4.0
SteelAluminium Bros
SteelBrass 0.19
SteelCast Iron 0.21
SteelCopper Lead Alloy 0.160.145
SteelGraphite 0.1
SteelPhos Bros
SteelZinc (Plated on steel)0.45
Steel(Mild)Brass0.44
Steel(Mild)Cast Iron0.23 0.1830.133
Steel(Mild)Lead0.95 0.50.3
Steel(Mild)Phos. Bros0.34 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 - 0.110.029 - 0.12
TeflonSteel 0.040.04
TeflonTeflon 0.040.04
TinCast Iron0.32
Tungsten CarbideTungsten Carbide 0.12
Tungsten CarbideSteel 0.08 - 0.2
Tungsten CarbideCopper
Tungsten CarbideIron
WoodWood(clean)
WoodWood (Wet)
WoodMetals(Clean)
WoodMetals (Wet)
WoodBrick
WoodConcrete
ZincZinc 0.04
ZincCast Iron0.21

Coefficient of Friction Table shown here.

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