SFM & Chip Load
|
|
Suggested Chip Load Per Tooth
|
Material Type (<32 Hrc)
|
SFM
|
1/8"
|
3/16"
|
1/4"
|
5/16"
|
3/8"
|
1/2"
|
Non Ferrous
|
|
|
|
|
|
|
|
Aluminum Alloys- 2024-T4/T6, 2014, 6061-T6/T651, 7075-T68
|
500-1000
|
0.001
|
0.002
|
0.002
|
0.002
|
0.003
|
0.004
|
Copper- Yellow Brass, High Lead Brass, Red Brass
|
400-750
|
0.001
|
0.001
|
0.002
|
0.002
|
0.0025
|
0.003
|
Copper Alloys- Alum/Bronze, Low Silicon Bronze
|
400-500
|
0.001
|
0.001
|
0.002
|
0.002
|
0.0025
|
0.003
|
Magnesium- De-cat, Extruded
|
450-650
|
0.001
|
0.002
|
0.002
|
0.002
|
0.003
|
0.004
|
Plastics, Acrylics, Phenolics, Polysulfone
|
100-300
|
0.001
|
0.002
|
0.003
|
0.003
|
0.004
|
0.006
|
Carbon, Graphites
|
100-200
|
0.04
|
0.04
|
0.06
|
0.06
|
0.08
|
0.01
|
Stainless Steel
|
|
|
|
|
|
|
|
Precipitation- 13/8, 15/5, AM-350/355
|
40-125
|
0.0005
|
0.0005
|
0.001
|
0.001
|
0.001
|
0.002
|
Austenic- 200 Series, 302, 303, 304L, 316L
|
50-175
|
0.0001
|
0.0002
|
0.0005
|
0.0005
|
0.001
|
0.0015
|
Martensitic- 403, 410, 416
|
50-125
|
0.0001
|
0.0002
|
0.0005
|
0.0005
|
0.0005
|
0.001
|
High Temp Alloys
|
|
|
|
|
|
|
|
Cobalt Base- Stellite, HS-21, Haynes25/188, X-40, L-605
|
30-50
|
0.0004
|
0.0005
|
0.001
|
0.001
|
0.001
|
0.001
|
Iron Base- Incoly 600-802, Multimet N-155, Timkin 16-25-6
|
40-65
|
0.0005
|
0.0005
|
0.001
|
0.001
|
0.0015
|
0.002
|
Titanium Alloys- 6AL-4V, ASTM 1/2/3, 6 AL-25N-4ZR-2MO-SI
|
25-125
|
0.0005
|
0.0005
|
0.0005
|
0.0005
|
0.001
|
0.001
|
Steel
|
|
|
|
|
|
|
|
High Strength Steels- 4340, 6150, 52100, H-11, H-13
|
25-125
|
0.0005
|
0.0005
|
0.001
|
0.001
|
0.001
|
0.001
|
High Alloy Steels- A-2/6/10, P-3/10, 01, 02, 06
|
50-150
|
0.0005
|
0.0005
|
0.001
|
0.001
|
0.001
|
0.001
|
Medium Alloy Steels- 200, 250, 300
|
75-175
|
0.0005
|
0.0005
|
0.001
|
0.001
|
0.002
|
0.0025
|
Low Alloy Steels Maraging- 10XX, 11XX, 13XX
|
50-200
|
0.0005
|
0.001
|
0.0015
|
0.0015
|
0.002
|
0.003
|
Cast Iron
|
|
|
|
|
|
|
|
Ductile Iron- Ductile Cast Iron
|
50-200
|
0.0005
|
0.001
|
0.0015
|
0.0015
|
0.002
|
0.002
|
Cast Iron- Gray Cast Iron
|
50-200
|
0.0005
|
0.001
|
0.002
|
0.002
|
0.003
|
0.004
|