Mega H-550A, Instruction Manual, Page: 28 / 28

7.3 Standard Cutting Chart
Material AISI
code No. Brinell
hardness Bhn blade peed
fpm Cutting ate
sq in/min.
Stainless Steels
302,304
303,303F
308,309,310
314,317,330
316,420
321,347
410,420F
416,430F
430,446
440,A,B,C,
440F,443 130-170
150-200
160-220
160-220
160-220
165-200
140-185
155-195
170-215
160-190
175-215 80-90
90-100
60-80
50-80
70-80
90-100
100-110
140-150
60-80
70-80
90-100 2-3
3-4
1-2
1-2
2-3
2-3
2-3
4-6
2-3
2-3
2-3
High-speed Tool Steels
T-1,T-2
T-4,T-5
T-6,T-8
T-15
M-1
M-2,M-3
M-10 217-248
235-255
220-293
228-255
217-228
217-241
217-228 80-90
75-85
60-80
50-80
100-120
75-85
60-80 2.0-3.0
1.0-2.0
1.0-2.0
1.0-2.0
3.0-4.0
2.0-3.0
1.0-2.0
Tool Steel (Air, Oil, And Water Hardening)
A-2
D-2,D-3
D-7
O-1,O-2
O-6
W-1 special
W-1 extra
W-1 regular
H-12,H-13,H-21
H-22,H-24
S-1
S-2,S-5
L-6
L-7 217-241
217-241
228-255
187-207
207-228
156-187
156-196
156-196
205-228
217-241
177-212
173-228
190-230
180-230 140-170
75-85
60-80
140-170
140-160
170-190
170-190
170-190
140-160
100-120
150-170
80-100
150-170
110-130 2.0-3.0
2.0-3.0
1.0-2.0
4.0-5.0
5.0-6.0
3.0-4.0
3.0-4.0
3.0-4.0
3.0-4.0
2.0-3.0
3.0-4.0
2.0-3.0
4.0-5.0
3.0-4.0
NOTE:
(1) All conditions described above in chart 2 and 3 are based on the use of Electron Weld
Bimetal Blade. 4/3 T.P.I.
(2) The workpiece is 6 inch round and solid ,normalized heat treatment ,and there are no hard
spots in the material.
(3) The cutting surface concave or convex by 1.0mm is permitted.
(4) For production Band and Super Electron Weld ,speed may usually be increase up to 10
﹪
.
(5) Decrease speeds by 50
﹪
for NEO_TYPE and CARBON Bands.
(6) As a guide that "The larger workpiece (compare to the 6 inch),the slower blade speed."
7 – 3