Materials Database
Browse common CNC materials, compare cutting data, and jump directly into the feed speed calculator.
Aluminum 6061
aluminumExcellent machinability, use high speeds
Speed range: 200-500 m/min
Machinability: Excellent
Aluminum 7075
aluminumHarder than 6061, reduce speed slightly
Speed range: 150-400 m/min
Machinability: Very good
Steel 1045
steelMedium carbon steel, good general purpose
Speed range: 60-150 m/min
Machinability: Good
Stainless Steel 304
stainlessWork hardening tendency, maintain consistent chip load
Speed range: 40-100 m/min
Machinability: Moderate
Stainless Steel 316
stainlessMore difficult than 304, use sharp tools
Speed range: 35-90 m/min
Machinability: Fair
Titanium Ti-6Al-4V
titaniumLow thermal conductivity, use flood coolant
Speed range: 30-60 m/min
Machinability: Challenging
Brass C360
brassFree machining, excellent chip formation
Speed range: 150-400 m/min
Machinability: Excellent
Delrin (POM)
plasticUse sharp tools, avoid heat buildup
Speed range: 200-600 m/min
Machinability: Excellent
Cast Iron
ironProduces dust-like chips, use dust extraction
Speed range: 60-120 m/min
Machinability: Good
Copper
copperSoft and gummy, use sharp polished tools
Speed range: 100-300 m/min
Machinability: Moderate
Aluminum 2024
aluminumHigh-strength aerospace alloy
Speed range: 120-320 m/min
Machinability: Very good
Aluminum 5083
aluminumMarine-grade aluminum, stable cutting
Speed range: 180-420 m/min
Machinability: Excellent
Alloy Steel 4140
steelGeneral-purpose alloy steel
Speed range: 50-120 m/min
Machinability: Good
Alloy Steel 4340
steelHigh-strength alloy, reduce heat
Speed range: 45-110 m/min
Machinability: Fair
Tool Steel A2
steelAir-hardening tool steel
Speed range: 25-60 m/min
Machinability: Fair
Stainless 17-4PH
stainlessPrecipitation-hardening stainless steel
Speed range: 35-90 m/min
Machinability: Fair
Stainless 430
stainlessFerritic stainless with steady chips
Speed range: 45-110 m/min
Machinability: Good
Duplex 2205
stainlessHigh strength duplex stainless steel
Speed range: 30-80 m/min
Machinability: Challenging
Titanium Ti-5553
titaniumBeta titanium alloy for critical parts
Speed range: 20-45 m/min
Machinability: Difficult
Titanium Grade 2
titaniumCommercially pure titanium
Speed range: 25-50 m/min
Machinability: Difficult
Brass C260
brassCartridge brass with clean chips
Speed range: 120-320 m/min
Machinability: Excellent
Bronze C932
brassBearing bronze, watch built-up edge
Speed range: 80-220 m/min
Machinability: Good
Copper C110
copperHigh conductivity copper, gummy chips
Speed range: 90-240 m/min
Machinability: Moderate
Beryllium Copper
copperStrong copper alloy, stable finish
Speed range: 70-180 m/min
Machinability: Good
Nylon 6
plasticControl heat to reduce smearing
Speed range: 180-450 m/min
Machinability: Good
PEEK
plasticHigh-performance polymer, avoid overheating
Speed range: 120-260 m/min
Machinability: Moderate
Acrylic
plasticUse sharp edges to prevent cracking
Speed range: 150-400 m/min
Machinability: Good
Ductile Iron
ironStronger than gray iron, stable roughing
Speed range: 55-140 m/min
Machinability: Good
Gray Iron
ironDry chips, good damping
Speed range: 60-160 m/min
Machinability: Excellent
Alloy Steel 8620
steelCase-hardening steel for gears
Speed range: 50-115 m/min
Machinability: Good
Steel 1018
steelSteel 1018 reference cutting data for setup planning.
Speed range: 35-120 m/min
Machinability: Good
Steel 1020
steelSteel 1020 reference cutting data for setup planning.
Speed range: 35-120 m/min
Machinability: Good
Steel 1035
steelSteel 1035 reference cutting data for setup planning.
Speed range: 35-120 m/min
Machinability: Good
Steel 1050
steelSteel 1050 reference cutting data for setup planning.
Speed range: 35-120 m/min
Machinability: Good
Steel 1060
steelSteel 1060 reference cutting data for setup planning.
Speed range: 35-120 m/min
Machinability: Good
Alloy Steel 4130
steelAlloy Steel 4130 reference cutting data for setup planning.
Speed range: 35-120 m/min
Machinability: Good
Alloy Steel 4150
steelAlloy Steel 4150 reference cutting data for setup planning.
Speed range: 35-120 m/min
Machinability: Good
Alloy Steel 4340M
steelAlloy Steel 4340M reference cutting data for setup planning.
Speed range: 35-120 m/min
Machinability: Good
Alloy Steel 5140
steelAlloy Steel 5140 reference cutting data for setup planning.
Speed range: 35-120 m/min
Machinability: Good
Spring Steel 5160
steelSpring Steel 5160 reference cutting data for setup planning.
Speed range: 35-120 m/min
Machinability: Good
Tool Steel O1
steelTool Steel O1 reference cutting data for setup planning.
Speed range: 35-120 m/min
Machinability: Good
Tool Steel D2
steelTool Steel D2 reference cutting data for setup planning.
Speed range: 35-120 m/min
Machinability: Good
Tool Steel H13
steelTool Steel H13 reference cutting data for setup planning.
Speed range: 35-120 m/min
Machinability: Good
Tool Steel P20
steelTool Steel P20 reference cutting data for setup planning.
Speed range: 35-120 m/min
Machinability: Good
HSS M2
steelHSS M2 reference cutting data for setup planning.
Speed range: 35-120 m/min
Machinability: Good
EN8
steelEN8 reference cutting data for setup planning.
Speed range: 35-120 m/min
Machinability: Good
EN19
steelEN19 reference cutting data for setup planning.
Speed range: 35-120 m/min
Machinability: Good
EN24
steelEN24 reference cutting data for setup planning.
Speed range: 35-120 m/min
Machinability: Good
S45C
steelS45C reference cutting data for setup planning.
Speed range: 35-120 m/min
Machinability: Good
SCM440
steelSCM440 reference cutting data for setup planning.
Speed range: 35-120 m/min
Machinability: Good
Stainless 303
stainlessStainless 303 reference cutting data for setup planning.
Speed range: 25-90 m/min
Machinability: Fair
Stainless 304L
stainlessStainless 304L reference cutting data for setup planning.
Speed range: 25-90 m/min
Machinability: Fair
Stainless 310
stainlessStainless 310 reference cutting data for setup planning.
Speed range: 25-90 m/min
Machinability: Fair
Stainless 316L
stainlessStainless 316L reference cutting data for setup planning.
Speed range: 25-90 m/min
Machinability: Fair
Stainless 321
stainlessStainless 321 reference cutting data for setup planning.
Speed range: 25-90 m/min
Machinability: Fair
Stainless 347
stainlessStainless 347 reference cutting data for setup planning.
Speed range: 25-90 m/min
Machinability: Fair
Stainless 410
stainlessStainless 410 reference cutting data for setup planning.
Speed range: 25-90 m/min
Machinability: Fair
Stainless 416
stainlessStainless 416 reference cutting data for setup planning.
Speed range: 25-90 m/min
Machinability: Fair
Stainless 420
stainlessStainless 420 reference cutting data for setup planning.
Speed range: 25-90 m/min
Machinability: Fair
Stainless 431
stainlessStainless 431 reference cutting data for setup planning.
Speed range: 25-90 m/min
Machinability: Fair
Stainless 440C
stainlessStainless 440C reference cutting data for setup planning.
Speed range: 25-90 m/min
Machinability: Fair
Stainless 15-5PH
stainlessStainless 15-5PH reference cutting data for setup planning.
Speed range: 25-90 m/min
Machinability: Fair
Stainless 13-8PH
stainlessStainless 13-8PH reference cutting data for setup planning.
Speed range: 25-90 m/min
Machinability: Fair
A286 Stainless
stainlessA286 Stainless reference cutting data for setup planning.
Speed range: 25-90 m/min
Machinability: Fair
Super Duplex 2507
stainlessSuper Duplex 2507 reference cutting data for setup planning.
Speed range: 25-90 m/min
Machinability: Fair
Compacted Graphite Iron
ironCompacted Graphite Iron reference cutting data for setup planning.
Speed range: 50-160 m/min
Machinability: Good
Austempered Ductile Iron
ironAustempered Ductile Iron reference cutting data for setup planning.
Speed range: 50-160 m/min
Machinability: Good
Malleable Iron
ironMalleable Iron reference cutting data for setup planning.
Speed range: 50-160 m/min
Machinability: Good
Chilled Cast Iron
ironChilled Cast Iron reference cutting data for setup planning.
Speed range: 50-160 m/min
Machinability: Good
Ni-Hard Iron
ironNi-Hard Iron reference cutting data for setup planning.
Speed range: 50-160 m/min
Machinability: Good
Gray Iron FC250
ironGray Iron FC250 reference cutting data for setup planning.
Speed range: 50-160 m/min
Machinability: Good
Gray Iron FC300
ironGray Iron FC300 reference cutting data for setup planning.
Speed range: 50-160 m/min
Machinability: Good
Ductile Iron FCD450
ironDuctile Iron FCD450 reference cutting data for setup planning.
Speed range: 50-160 m/min
Machinability: Good
Ductile Iron FCD600
ironDuctile Iron FCD600 reference cutting data for setup planning.
Speed range: 50-160 m/min
Machinability: Good
High Silicon Iron
ironHigh Silicon Iron reference cutting data for setup planning.
Speed range: 50-160 m/min
Machinability: Good
Aluminum 1050
aluminumAluminum 1050 reference cutting data for setup planning.
Speed range: 120-450 m/min
Machinability: Excellent
Aluminum 1100
aluminumAluminum 1100 reference cutting data for setup planning.
Speed range: 120-450 m/min
Machinability: Excellent
Aluminum 2017
aluminumAluminum 2017 reference cutting data for setup planning.
Speed range: 120-450 m/min
Machinability: Excellent
Aluminum 2024-T3
aluminumAluminum 2024-T3 reference cutting data for setup planning.
Speed range: 120-450 m/min
Machinability: Excellent
Aluminum 5052
aluminumAluminum 5052 reference cutting data for setup planning.
Speed range: 120-450 m/min
Machinability: Excellent
Aluminum 5086
aluminumAluminum 5086 reference cutting data for setup planning.
Speed range: 120-450 m/min
Machinability: Excellent
Aluminum 6063
aluminumAluminum 6063 reference cutting data for setup planning.
Speed range: 120-450 m/min
Machinability: Excellent
Aluminum 6082
aluminumAluminum 6082 reference cutting data for setup planning.
Speed range: 120-450 m/min
Machinability: Excellent
Aluminum 7050
aluminumAluminum 7050 reference cutting data for setup planning.
Speed range: 120-450 m/min
Machinability: Excellent
Aluminum 7068
aluminumAluminum 7068 reference cutting data for setup planning.
Speed range: 120-450 m/min
Machinability: Excellent
Naval Brass C464
brassNaval Brass C464 reference cutting data for setup planning.
Speed range: 100-320 m/min
Machinability: Excellent
Architectural Bronze C385
brassArchitectural Bronze C385 reference cutting data for setup planning.
Speed range: 100-320 m/min
Machinability: Excellent
Brass C485
brassBrass C485 reference cutting data for setup planning.
Speed range: 100-320 m/min
Machinability: Excellent
Aluminum Bronze C954
brassAluminum Bronze C954 reference cutting data for setup planning.
Speed range: 100-320 m/min
Machinability: Excellent
Nickel Aluminum Bronze C630
brassNickel Aluminum Bronze C630 reference cutting data for setup planning.
Speed range: 100-320 m/min
Machinability: Excellent
Manganese Bronze C863
brassManganese Bronze C863 reference cutting data for setup planning.
Speed range: 100-320 m/min
Machinability: Excellent
Tin Bronze C905
brassTin Bronze C905 reference cutting data for setup planning.
Speed range: 100-320 m/min
Machinability: Excellent
Tin Bronze C907
brassTin Bronze C907 reference cutting data for setup planning.
Speed range: 100-320 m/min
Machinability: Excellent
Leaded Tin Bronze C922
brassLeaded Tin Bronze C922 reference cutting data for setup planning.
Speed range: 100-320 m/min
Machinability: Excellent
Bearing Bronze C936
brassBearing Bronze C936 reference cutting data for setup planning.
Speed range: 100-320 m/min
Machinability: Excellent
Oxygen-Free Copper C101
copperOxygen-Free Copper C101 reference cutting data for setup planning.
Speed range: 70-240 m/min
Machinability: Moderate
Oxygen-Free Copper C102
copperOxygen-Free Copper C102 reference cutting data for setup planning.
Speed range: 70-240 m/min
Machinability: Moderate
Tellurium Copper C145
copperTellurium Copper C145 reference cutting data for setup planning.
Speed range: 70-240 m/min
Machinability: Moderate
Beryllium Copper C172
copperBeryllium Copper C172 reference cutting data for setup planning.
Speed range: 70-240 m/min
Machinability: Moderate
CuCrZr
copperCuCrZr reference cutting data for setup planning.
Speed range: 70-240 m/min
Machinability: Moderate
Titanium Grade 5
titaniumTitanium Grade 5 reference cutting data for setup planning.
Speed range: 18-60 m/min
Machinability: Difficult
Titanium Grade 9
titaniumTitanium Grade 9 reference cutting data for setup planning.
Speed range: 18-60 m/min
Machinability: Difficult
Titanium Grade 23
titaniumTitanium Grade 23 reference cutting data for setup planning.
Speed range: 18-60 m/min
Machinability: Difficult
Beta-C Titanium
titaniumBeta-C Titanium reference cutting data for setup planning.
Speed range: 18-60 m/min
Machinability: Difficult
Inconel 718
titaniumInconel 718 reference cutting data for setup planning.
Speed range: 18-60 m/min
Machinability: Difficult
Inconel 625
titaniumInconel 625 reference cutting data for setup planning.
Speed range: 18-60 m/min
Machinability: Difficult
Hastelloy X
titaniumHastelloy X reference cutting data for setup planning.
Speed range: 18-60 m/min
Machinability: Difficult
Waspaloy
titaniumWaspaloy reference cutting data for setup planning.
Speed range: 18-60 m/min
Machinability: Difficult
Stellite 6
titaniumStellite 6 reference cutting data for setup planning.
Speed range: 18-60 m/min
Machinability: Difficult
Cobalt L605
titaniumCobalt L605 reference cutting data for setup planning.
Speed range: 18-60 m/min
Machinability: Difficult
PTFE
plasticPTFE reference cutting data for setup planning.
Speed range: 100-450 m/min
Machinability: Good
HDPE
plasticHDPE reference cutting data for setup planning.
Speed range: 100-450 m/min
Machinability: Good
UHMW-PE
plasticUHMW-PE reference cutting data for setup planning.
Speed range: 100-450 m/min
Machinability: Good
ABS
plasticABS reference cutting data for setup planning.
Speed range: 100-450 m/min
Machinability: Good
Polycarbonate
plasticPolycarbonate reference cutting data for setup planning.
Speed range: 100-450 m/min
Machinability: Good
PVC
plasticPVC reference cutting data for setup planning.
Speed range: 100-450 m/min
Machinability: Good
PPS
plasticPPS reference cutting data for setup planning.
Speed range: 100-450 m/min
Machinability: Good
PET
plasticPET reference cutting data for setup planning.
Speed range: 100-450 m/min
Machinability: Good
G10 Laminate
plasticG10 Laminate reference cutting data for setup planning.
Speed range: 100-450 m/min
Machinability: Good
CFRP
plasticCFRP reference cutting data for setup planning.
Speed range: 100-450 m/min
Machinability: Good