102 materials
1018 Steel
Free machining, general purpose
SFM Carbide
600
SFM HSS
100
Chipload
0.003-0.006
1020 Steel
Low carbon, weldable
SFM Carbide
550
SFM HSS
90
Chipload
0.003-0.006
1045 Steel
Medium carbon
SFM Carbide
475
SFM HSS
80
Chipload
0.003-0.005
A36 Steel
Structural steel
SFM Carbide
600
SFM HSS
100
Chipload
0.003-0.006
1008 Steel
Very low carbon
SFM Carbide
650
SFM HSS
110
Chipload
0.003-0.007
1010 Steel
Low carbon
SFM Carbide
650
SFM HSS
110
Chipload
0.003-0.007
1025 Steel
Low-medium carbon
SFM Carbide
550
SFM HSS
90
Chipload
0.003-0.006
1030 Steel
Medium carbon
SFM Carbide
525
SFM HSS
85
Chipload
0.003-0.005
12L14 Steel
Free machining, leaded
SFM Carbide
700
SFM HSS
150
Chipload
0.004-0.008
1117 Steel
Free machining, resulfurized
SFM Carbide
600
SFM HSS
120
Chipload
0.003-0.006
1141 Steel
Medium carbon, resulfurized
SFM Carbide
475
SFM HSS
80
Chipload
0.003-0.005
1144 Steel
Stress-proof equivalent
SFM Carbide
450
SFM HSS
75
Chipload
0.003-0.005
4130 Steel
Chromoly, heat treatable
SFM Carbide
400
SFM HSS
65
Chipload
0.002-0.005
4140 Steel
Chromoly, widely used
SFM Carbide
375
SFM HSS
60
Chipload
0.002-0.005
4340 Steel
High strength alloy
SFM Carbide
325
SFM HSS
50
Chipload
0.002-0.004
8620 Steel
Case hardening steel
SFM Carbide
400
SFM HSS
65
Chipload
0.002-0.005
4150 Steel
High carbon chromoly
SFM Carbide
350
SFM HSS
55
Chipload
0.002-0.004
4330V Steel
Vanadium modified
SFM Carbide
275
SFM HSS
40
Chipload
0.002-0.004
D2 Tool Steel
Cold work tool steel
SFM Carbide
200
SFM HSS
30
Chipload
0.001-0.003
H13 Tool Steel
Hot work tool steel
SFM Carbide
250
SFM HSS
35
Chipload
0.002-0.004
O1 Tool Steel
Oil hardening
SFM Carbide
275
SFM HSS
40
Chipload
0.002-0.004
A2 Tool Steel
Air hardening
SFM Carbide
250
SFM HSS
35
Chipload
0.002-0.004
M2 Tool Steel
High speed steel
SFM Carbide
225
SFM HSS
30
Chipload
0.001-0.003
S7 Tool Steel
Shock resistant
SFM Carbide
250
SFM HSS
35
Chipload
0.002-0.004
P20 Mold Steel
Prehardened mold steel
SFM Carbide
275
SFM HSS
40
Chipload
0.002-0.004
4140 PH (28-32 HRC)
Prehardened
SFM Carbide
275
SFM HSS
40
Chipload
0.002-0.004
52100 Steel
Bearing steel
SFM Carbide
325
SFM HSS
50
Chipload
0.002-0.004
9310 Steel
Carburizing gear steel
SFM Carbide
300
SFM HSS
45
Chipload
0.002-0.004
303 Stainless
Free machining austenitic
SFM Carbide
375
SFM HSS
60
Chipload
0.002-0.005
304 Stainless
Most common austenitic
SFM Carbide
325
SFM HSS
50
Chipload
0.002-0.004
316 Stainless
Marine grade, molybdenum
SFM Carbide
300
SFM HSS
45
Chipload
0.002-0.004
316L Stainless
Low carbon 316
SFM Carbide
275
SFM HSS
42
Chipload
0.002-0.004
410 Stainless
Martensitic
SFM Carbide
350
SFM HSS
55
Chipload
0.002-0.005
416 Stainless
Free machining martensitic
SFM Carbide
400
SFM HSS
70
Chipload
0.003-0.005
420 Stainless
Cutlery grade
SFM Carbide
300
SFM HSS
45
Chipload
0.002-0.004
17-4 PH Stainless
Precipitation hardened
SFM Carbide
250
SFM HSS
35
Chipload
0.002-0.004
15-5 PH Stainless
Precipitation hardened
SFM Carbide
250
SFM HSS
35
Chipload
0.002-0.004
321 Stainless
Ti stabilized austenitic
SFM Carbide
300
SFM HSS
45
Chipload
0.002-0.004
347 Stainless
Nb stabilized austenitic
SFM Carbide
300
SFM HSS
45
Chipload
0.002-0.004
440C Stainless
High carbon, hardenable
SFM Carbide
200
SFM HSS
30
Chipload
0.001-0.003
2205 Duplex
Duplex stainless
SFM Carbide
225
SFM HSS
30
Chipload
0.002-0.003
6061-T6 Aluminum
Most common, general purpose
SFM Carbide
1000
SFM HSS
300
Chipload
0.004-0.01
7075-T6 Aluminum
Aerospace, high strength
SFM Carbide
800
SFM HSS
250
Chipload
0.003-0.008
2024-T3 Aluminum
Aerospace grade
SFM Carbide
900
SFM HSS
275
Chipload
0.004-0.009
6063 Aluminum
Extrusion alloy
SFM Carbide
1100
SFM HSS
350
Chipload
0.004-0.012
5052 Aluminum
Marine, sheet metal
SFM Carbide
1000
SFM HSS
300
Chipload
0.004-0.01
2011 Aluminum
Free machining
SFM Carbide
1200
SFM HSS
400
Chipload
0.005-0.012
MIC-6 Cast Aluminum
Precision cast plate
SFM Carbide
900
SFM HSS
275
Chipload
0.004-0.008
A380 Cast Aluminum
Die cast alloy
SFM Carbide
800
SFM HSS
250
Chipload
0.003-0.007
356 Cast Aluminum
Sand/gravity cast
SFM Carbide
850
SFM HSS
260
Chipload
0.003-0.008
7050-T7 Aluminum
Aerospace, thick plate
SFM Carbide
800
SFM HSS
250
Chipload
0.003-0.008
Ti-6Al-4V (Grade 5)
Most common Ti alloy
SFM Carbide
175
SFM HSS
25
Chipload
0.002-0.004
CP Titanium Grade 2
Commercially pure
SFM Carbide
225
SFM HSS
35
Chipload
0.002-0.005
CP Titanium Grade 4
Strongest CP grade
SFM Carbide
200
SFM HSS
30
Chipload
0.002-0.004
Ti-6Al-4V ELI (Grade 23)
Medical grade
SFM Carbide
150
SFM HSS
20
Chipload
0.002-0.003
Ti-6Al-2Sn-4Zr-2Mo
High temp alloy
SFM Carbide
130
SFM HSS
18
Chipload
0.001-0.003
Ti-5Al-5V-5Mo-3Cr
Beta alloy, landing gear
SFM Carbide
120
SFM HSS
15
Chipload
0.001-0.003
Inconel 718
Most common superalloy
SFM Carbide
100
SFM HSS
15
Chipload
0.001-0.003
Inconel 625
Corrosion resistant
SFM Carbide
120
SFM HSS
18
Chipload
0.001-0.003
Hastelloy C276
Extreme corrosion resistance
SFM Carbide
100
SFM HSS
15
Chipload
0.001-0.003
Monel 400
Ni-Cu alloy
SFM Carbide
150
SFM HSS
25
Chipload
0.002-0.004
Waspaloy
Jet engine alloy
SFM Carbide
80
SFM HSS
12
Chipload
0.001-0.002
Rene 41
High temp superalloy
SFM Carbide
75
SFM HSS
10
Chipload
0.001-0.002
Invar 36
Low thermal expansion
SFM Carbide
175
SFM HSS
30
Chipload
0.002-0.004
Kovar
Glass-to-metal sealing
SFM Carbide
150
SFM HSS
25
Chipload
0.002-0.004
360 Brass (Free Cutting)
Best machinability
SFM Carbide
750
SFM HSS
200
Chipload
0.004-0.008
260 Brass (Cartridge)
70/30 brass
SFM Carbide
600
SFM HSS
180
Chipload
0.003-0.007
C110 Copper
Electrolytic copper
SFM Carbide
500
SFM HSS
150
Chipload
0.003-0.006
C172 Beryllium Copper
High strength Cu alloy
SFM Carbide
300
SFM HSS
50
Chipload
0.002-0.004
C932 Bronze (SAE 660)
Bearing bronze
SFM Carbide
600
SFM HSS
175
Chipload
0.003-0.007
C954 Aluminum Bronze
High strength bronze
SFM Carbide
400
SFM HSS
100
Chipload
0.003-0.005
C360 Naval Brass
Marine applications
SFM Carbide
650
SFM HSS
180
Chipload
0.003-0.007
Tellurium Copper (C145)
Free machining copper
SFM Carbide
700
SFM HSS
200
Chipload
0.004-0.008
Delrin (Acetal/POM)
Excellent machinability
SFM Carbide
1000
SFM HSS
500
Chipload
0.005-0.015
Nylon 6/6
Flexible, tough
SFM Carbide
800
SFM HSS
400
Chipload
0.005-0.012
UHMW Polyethylene
Very low friction
SFM Carbide
1200
SFM HSS
600
Chipload
0.006-0.015
Polycarbonate (Lexan)
Transparent, impact resistant
SFM Carbide
800
SFM HSS
400
Chipload
0.004-0.012
Acrylic (PMMA)
Transparent, brittle
SFM Carbide
700
SFM HSS
350
Chipload
0.004-0.01
PEEK
High temp plastic
SFM Carbide
500
SFM HSS
250
Chipload
0.003-0.008
Ultem (PEI)
Aerospace plastic
SFM Carbide
500
SFM HSS
250
Chipload
0.003-0.008
PTFE (Teflon)
Very soft, low friction
SFM Carbide
1000
SFM HSS
500
Chipload
0.005-0.015
PVC
General purpose
SFM Carbide
800
SFM HSS
400
Chipload
0.004-0.012
ABS
Impact resistant
SFM Carbide
900
SFM HSS
450
Chipload
0.005-0.012
G10/FR4 Fiberglass
Abrasive, use carbide
SFM Carbide
400
SFM HSS
200
Chipload
0.003-0.006
Carbon Fiber Composite
Very abrasive, PCD or diamond coated
SFM Carbide
500
SFM HSS
150
Chipload
0.002-0.005
Garolite (Phenolic)
Laminated phenolic
SFM Carbide
500
SFM HSS
200
Chipload
0.003-0.006
1050 Steel
Medium-high carbon
SFM Carbide
450
SFM HSS
75
Chipload
0.003-0.005
1060 Steel
High carbon spring steel
SFM Carbide
425
SFM HSS
70
Chipload
0.003-0.005
1095 Steel
Very high carbon
SFM Carbide
375
SFM HSS
60
Chipload
0.002-0.004
4620 Steel
Case hardening alloy
SFM Carbide
425
SFM HSS
70
Chipload
0.003-0.005
6150 Steel
Spring steel
SFM Carbide
375
SFM HSS
60
Chipload
0.002-0.005
8640 Steel
Ni-Cr-Mo alloy
SFM Carbide
375
SFM HSS
60
Chipload
0.002-0.005
Gray Cast Iron (Class 30)
Most common cast iron
SFM Carbide
450
SFM HSS
90
Chipload
0.003-0.007
Gray Cast Iron (Class 40)
Higher strength
SFM Carbide
400
SFM HSS
80
Chipload
0.003-0.006
Ductile Iron (65-45-12)
Nodular cast iron
SFM Carbide
400
SFM HSS
80
Chipload
0.003-0.006
Ductile Iron (80-55-06)
Higher strength ductile
SFM Carbide
350
SFM HSS
65
Chipload
0.002-0.005
Tungsten
Very hard, use CBN
SFM Carbide
60
SFM HSS
8
Chipload
0.001-0.002
Molybdenum
High temp refractory
SFM Carbide
100
SFM HSS
15
Chipload
0.001-0.003
Cobalt Chrome (Stellite 6)
Wear resistant overlay
SFM Carbide
80
SFM HSS
10
Chipload
0.001-0.002
Magnesium AZ31
Lightweight, fire risk
SFM Carbide
1200
SFM HSS
450
Chipload
0.005-0.012
Zinc Alloy (Zamak 3)
Die casting alloy
SFM Carbide
700
SFM HSS
200
Chipload
0.004-0.008
Lead
Very soft
SFM Carbide
800
SFM HSS
300
Chipload
0.005-0.01