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Friction Coefficients
Static and kinetic friction coefficients between material pairs under various surface conditions
Browse Sample Data
Acetal2 rowsAcetal Ptfe Filled1 rowAg5 rowsAl3 rowsAl, Alloy 6061-T68 rowsAlumina6 rowsAluminum4 rowsAluminum-Bronze1 rowAu1 rowAu, Electroplate8 rowsBall Thrust Bearing1 rowBeech2 rowsBelt with Nylon Core and Leather Surface2 rowsBoron Carbide1 rowBoundary Regime1 rowBrake Material1 rowBrake Material 2)1 rowBrass22 rowsBrass, 60Cu-40Zn1 rowBrick1 rowBronze4 rowsBronze - Sintered1 rowBronze Screw3 rowsCadmium2 rowsCarbon2 rowsCarbon (hard)2 rowsCast Iron23 rowsCd2 rowsCermet1 rowCermet M1 rowChromium2 rowsChromium(Cr)1 rowClutch Carbon Graphite1 rowClutch Cast Iron1 rowClutch Cork1 rowClutch Felt1 rowClutch Impregnated Asbestos1 rowClutch Leather1 rowClutch Molded Asbestos1 rowClutch Powdered Metal2 rowsClutch Wood1 rowClutch Woven Asbestos1 rowCobalt(Co)1 rowCopper2 rowsCopper(Cu)1 rowCopper-Lead Alloy1 rowCork1 rowCorrosion-Resistant Steel Or Nickel-Base Alloys1 rowCotton Thread1 rowCr2 rowsCr Plate5 rowsCu6 rowsCu, Ofhc1 rowCylindrical Roller Bearing with Flange Guided Short Rollers1 rowDiamond4 rowsDisk Clutch Surfaces1 rowDrymet St1 rowElm3 rowsFe8 rowsFiber Reinforced Ptfe1 rowFilled Ptfe1 rowFilled Nylon1 rowFilled Polyimide1 rowFlexible Molded Asbestos1 rowGlass4 rowsGlass, Clean1 rowGlass, Tempered3 rowsGlass, Thin Fiber5 rowsGold(au)1 rowGraphite5 rowsGraphite (clean)1 rowGraphite (outgassed)1 rowGraphite, Molded7 rowsHDPE1 rowHmx1 rowHard Wood2 rowsHard Steel Thrust Collar2 rowsHickory wood, Waxed1 rowIce4 rowsIndium(In)1 rowIron3 rowsIron(Fe)1 rowLead1 rowLead Azide [Pb(N3)2]1 rowLead(Pb)1 rowLeather15 rowsLeather 1 Ply T 11 64 in1 rowLeather 1 Ply T 13 64 in1 rowLeather 2 Ply T 18 64 in1 rowLeather 2 Ply T 20 64 in1 rowLeather 2 Ply T 23 64 in1 rowLeather Belt4 rowsLeather Fiber2 rowsMagnesium2 rowsMetal2 rowsMetal and Cork2 rowsMica (cleaved)1 rowMica (contaminated)1 rowMo1 rowMolded Lining1 rowMolybdenum(Mo)1 rowMolybdenum Disulfide Bonded Film1 rowMolybdenum Disulfide Burnished Film1 rowNi (0.001 P)1 rowNi (0.001 P) Plate7 rowsNickel2 rowsNickel(Ni)1 rowNiobium carbide, Coating1 rowNiobium(Nb)1 rowNylon2 rowsNylon 6 (cast)1 rowNylon 6 (extruded)1 rowNylon 6/62 rowsNylon 6/6 (+ PTFE)1 rowNylon Fibers1 rowOak2 rowsOiles 20001 rowOiles 3001 rowOiles 500SP1 rowOiles 801 rowPa 661 rowPa 66 (+ 15% PTFE)1 rowPa 66 (PTFE/glass)1 rowPeek1 rowPeek (+ 15% PTFE)1 rowPeek (PTFE/glass)1 rowPei1 rowPei (+ 15% PTFE)1 rowPei (PTFE/glass)1 rowPetn1 rowPetp1 rowPetp (+ 15% PTFE)1 rowPetp (PTFE/glass)1 rowPmma1 rowPom1 rowPom (+ 15% PTFE)1 rowPom (PTFE/glass)1 rowPps1 rowPps (+ 15% PTFE)1 rowPps (PTFE/glass)1 rowPtfe2 rowsPaper1 rowPaper, Copier1 rowPb5 rowsPhenolic1 rowPhosphor-Bronze1 rowPlatinum2 rowsPlatinum(Pt)1 rowPlexiglas4 rowsPolyamide a 21 rowPolyamide a 31 rowPolyamide a 41 rowPolyamide a 51 rowPolyamide F 01 rowPolyamide F 11 rowPolyamide F 21 rowPolyester Pbt1 rowPolyethylene1 rowPolyimide1 rowPolystyrene4 rowsPolyurethane (cream-colored)1 rowPolyurethane (green)1 rowPoplar2 rowsPt1 rowPure Ptfe1 rowRdx1 rowReinforced Phenolic1 rowResilient Paper1 rowRigid Block1 rowRigid Molded Asbestos2 rowsRigid Molded Asbestos Pads1 rowRigid Molded Nonasbestos1 rowRubber1 rowSapphire2 rowsSelf Aligning Ball Bearing1 rowSemirigid Molded Asbestos1 rowSilicon Carbide4 rowsSilicon Nitride4 rowsSilk Fibers1 rowSilver2 rowsSilver Azide (AgN3)1 rowSingle Row Ball Bearing1 rowSintered Metal2 rowsSn1 rowSoft Steel Thrust Collar2 rowsSolids1 rowSpherical Roller Bearing1 rowSteel38 rowsSteel (clean)1 rowSteel, 10328 rowsSteel, 521009 rowsSteel, M50 Tool5 rowsSteel, Bearing4 rowsSteel, Carbon14 rowsSteel, Mild16 rowsSteel, Stainless6 rowsSteel, Stainless 3041 rowSteel, Type 440C Stainless2 rowsSteel Band1 rowSteel Screw8 rowsStellite1 rowStraw Fiber2 rowsTapered Roller Bearing1 rowTarred Fiber2 rowsTeflon11 rowsThick Film Regime1 rowThin Film Regime1 rowTi6 rowsTi-6Al-4V11 rowsTiC on Type 440C Stainless Steel4 rowsTiN (Magnagold)5 rowsTiN on Type 440C Stainless Steel5 rowsTin(Sn)1 rowTitanium2 rowsTitanium(Ti)1 rowToughmet1 rowTungsten Carbide4 rowsTungsten(W)1 rowUhmwpe1 rowUrethane Flat Belt W 0 50 in1 rowUrethane Flat Belt W 0 75 in1 rowUrethane Flat Belt W 1 25 in1 rowUrethane Round Belt D 1 2 in1 rowUrethane Round Belt D 1 4 in1 rowUrethane Round Belt D 3 4 in1 rowUrethane Round Belt D 3 8 in1 rowW2 rowsWood9 rowsWood (clean)2 rowsWound Asbestos Yarn and Wire1 rowWoven Asbestos Yarn and Wire1 rowWoven Cotton1 rowWoven Lining1 rowWrought Iron14 rowsZinc2 rowsZinc(Zn)1 rowZn1 row