Working Material |
Hardness |
Grade |
SFM |
Feed fn (inch/Rev) |
Ap Max |
Ae Max |
Insert Diameter (inch) |
0.250 |
0.312 |
0.375 |
0.500 |
0.625 |
0.750 |
1.000 |
1.250 |
Low Alloy Steel (1.7225) |
200-280HB |
TLN, HSN |
450- 1200 |
0.008 |
0.012 |
0.016 |
0.016 |
0.020 |
0.020 |
0.020 |
0.020 |
.10 x D |
.40 x D |
Alloy & Die Steel
(1.2311, P20, DME2/3/5) |
32-42HRC |
TLN, HSN |
300- 800 |
0.006 |
0.010 |
0.012 |
0.016 |
0.016 |
0.016 |
0.020 |
0.020 |
.8 x D |
.35 x D |
Tool Steel (1.2344, 1.2379) |
42-52HRC |
TLN, HSN |
300- 700 |
0.006 |
0.010 |
0.012 |
0.016 |
0.020 |
0.020 |
0.020 |
0.020 |
.6 x D |
.30 x D |
Stainless Steel
(1.4301, 1.4401) |
200-350HB |
XRN, TLN, HSN |
250- 400 |
0.006 |
0.010 |
0.012 |
0.016 |
0.016 |
0.016 |
0.020 |
0.020 |
.10 x D |
.40 x D |
Gray Cast Iron
(GG25-GG30) |
160-260HB |
TLN, HSN |
600- 1200 |
0.008 |
0.012 |
0.016 |
0.020 |
0.023 |
0.023 |
0.028 |
0.028 |
.10 x D |
.50 x D |
Nodular Cast Iron
(GGG60-GGG70) |
180-300HB |
TLN, HSN |
450- 1200 |
0.008 |
0.012 |
0.016 |
0.020 |
0.023 |
0.023 |
0.028 |
0.028 |
.15 x D |
.50 x D |
Copper Alloy |
80-150HB |
XRN |
450- 1500 |
0.010 |
0.016 |
0.020 |
0.023 |
0.028 |
0.028 |
0.028 |
0.028 |
.10 x D |
.40 x D |
Aluminum Alloys |
30-120HB |
XRN |
1000- 3000 |
0.010 |
0.016 |
0.020 |
0.023 |
0.028 |
0.028 |
0.028 |
0.028 |
.10 x D |
.50 x D |
Graphite |
|
TLN, HSN |
600- 2000 |
0.012 |
0.020 |
0.023 |
0.028 |
0.030 |
0.030 |
0.030 |
0.030 |
.20 x D |
.50 x D |
Ni & Co Based Alloy |
250-320HB |
XRN, HSN |
100- 300 |
0.006 |
0.008 |
0.012 |
0.016 |
0.016 |
0.020 |
0.020 |
0.020 |
.8 x D |
.50 x D |
Titanium Alloy (Annealed) |
<350HB |
XRN, HSN |
150- 400 |
0.006 |
0.008 |
0.010 |
0.012 |
0.012 |
0.016 |
0.020 |
0.020 |
.8 x D |
.33 x D |
Titanium Alloy
(Sol. Treated/Aged) |
<380HB |
XRN, HSN |
120- 300 |
0.004 |
0.006 |
0.008 |
0.012 |
0.012 |
0.012 |
0.016 |
0.016 |
.8 x D |
.35 x D |