78 / 396
78
END MILLS
END MILLS
www.kyocera-sgstool.com
FRACTIONAL
T-Carb
®
Series
51, 51CR, 51L,
51LC
Fractional
Hardness
Ap
Ae
Ae
Vc
(sfm)
Diameter (D
1
)
(inch)
Ae x D
1
Ap x D
1
1/4
3/8
1/2
5/8
3/4
1
P
CARBON STEELS
1018, 1040, 1080,
1090, 10L50, 1140,
1212, 12L15, 1525,
1536
≤ 275 Bhn
or
≤ 28 HRc
Profile
≤ 0.1
≤ 1
720
RPM 11002
7334
5501
4401
3667
2750
(576-864)
Fz
0.0020
0.0035
0.0050
0.0055
0.0061
0.0071
Feed (ipm)
132
154
165
145
134
117
HSM
≤ 0.05
≤ 2
915
RPM 13981
9321
6991
5592
4660
3495
(732-1098)
Fz
0.0028
0.0053
0.0070
0.0077
0.0085
0.0100
Feed (ipm)
235
296
294
258
238
210
ALLOY STEELS
4140, 4150, 4320,
5120, 5150, 8630,
86L20, 50100
≤ 375 Bhn
or
≤ 40 HRc
Profile
≤ 0.1
≤ 1
490
RPM 7487
4991
3744
2995
2496
1872
(392-588)
Fz
0.0015
0.0029
0.0038
0.0042
0.0046
0.0054
Feed (ipm)
67
87
85
75
69
61
HSM
≤ 0.05
≤ 2
620
RPM 9474
6316
4737
3789
3158
2368
(496-744)
Fz
0.0021
0.0039
0.0052
0.0057
0.0062
0.0073
Feed (ipm)
119
148
148
130
117
104
H
TOOL STEELS
A2, D2, H13, L2, M2,
P20, S7, T15, W2
≤ 375 Bhn
or
≤ 40 HRc
Profile
≤ 0.1
≤ 1
240
RPM 3667
2445
1834
1467
1222
917
(192-288)
Fz
0.0012
0.0023
0.0030
0.0034
0.0037
0.0043
Feed (ipm)
26
34
33
30
27
24
HSM
≤ 0.05
≤ 2
305
RPM 4660
3107
2330
1864
1553
1165
(244-366)
Fz
0.0017
0.0032
0.0042
0.0046
0.0050
0.0059
Feed (ipm)
48
60
59
51
47
41
M
STAINLESS STEELS
(FREE MACHINING)
303, 416, 420F,
430F, 440F
≤ 275 Bhn
or
≤ 28 HRc
Profile
≤ 0.1
≤ 1
510
RPM 7793
5195
3896
3117
2598
1948
(459-561)
Fz
0.0015
0.0028
0.0038
0.0041
0.0045
0.0053
Feed (ipm)
70
87
89
77
70
62
HSM
≤ 0.05
≤ 2
650
RPM 9932
6621
4966
3973
3311
2483
(585-715)
Fz
0.0021
0.0038
0.0051
0.0056
0.0061
0.0072
Feed (ipm)
125
151
152
133
121
107
STAINLESS STEELS
(DIFFICULT)
304, 304L, 316, 316L
≤ 275 Bhn
or
≤ 28 HRc
Profile
≤ 0.1
≤ 1
350
RPM 5348
3565
2674
2139
1783
1337
(315-385)
Fz
0.0012
0.0023
0.0030
0.0033
0.0036
0.0042
Feed (ipm)
39
49
48
42
39
34
HSM
≤ 0.05
≤ 2
450
RPM 6876
4584
3438
2750
2292
1719
(405-495)
Fz
0.0017
0.0032
0.0042
0.0046
0.0050
0.0059
Feed (ipm)
70
88
87
76
69
61
STAINLESS STEELS
(PH)
13-8 PH, 15-5 PH,
17-4 PH, Custom 450
≤ 325 Bhn
or
≤ 35 HRc
Profile
≤ 0.1
≤ 1
325
RPM 4966
3311
2483
1986
1655
1242
(293-358)
Fz
0.0012
0.0023
0.0030
0.0033
0.0036
0.0042
Feed (ipm)
36
46
45
39
36
31
HSM
≤ 0.05
≤ 2
410
RPM 6265
4177
3132
2506
2088
1566
(369-451)
Fz
0.0017
0.0032
0.0042
0.0046
0.0050
0.0059
Feed (ipm)
64
80
79
69
63
55
continued on next page