CUTTING SPEEDS (IN m/min.) OF HIGH SPEED STEEL AND METAL CUTTERS, MILLING IN CONVENTIONAL FEED DIRECTION
WORKPIECE
GG 18CAST IRON
GG 26CAST IRON
ST 50STEEL
ST 60STEEL
ST 70STEEL
F 144STEEL
F 154STEEL
F 155STEEL
F 123STEEL
F 125STEEL
VC Mo 140STEEL
VCN 35HEAD TREATED STEEL
VCN 45HEAD TREATED STEEL
GT 38 CASE HARDENED STEEL
GS 52CAST IRON
Ms 58BRASS
Rg 10BEARING BRONZE
GBz 14CAST BRONZE
COPPER
DIN 1712PURE ALUMINUM
AL DIN 1713TOUGH LIGHT ALLOYS
PLAIN
ULTIMATE
HARDNESS
MILLING
STRENGTH
CUTTERS
170
18
14-20
220
23
10-16
140
50
16-24
170
60
16-24
220
75
15-20
180
65
16-22
220
75
14-20
220
75
14-20
220
75
12-18
220
75
12-18
290
100
11-18
290
100
11-18
110
10-15
150
38
14-20
52
12-18
70
15
30-50
20
30-50
28
25-40
30-50
35
14
250-300
60
25
200-250
FACE
SLOTTING
MILLING
END MILLS
CUTTERS
CUTTERS
16-22
14-20
16-25
12-17
10-16
10-16
18-28
16-24
18-28
18-28
16-24
18-28
17-23
15-20
17-25
18-25
16-22
18-26
16-23
14-20
16-24
16-23
14-20
16-24
14-20
12-18
14-22
14-20
12-18
14-22
12-20
11-18
12-20
12-20
11-18
12-20
11-17
10-15
10-16
16-25
14-20
16-25
14-20
12-18
14-22
40-60
30-50
40-60
40-60
30-50
40-60
40-50
30-50
30-40
40-50
30-50
30-50
300-400
300-400
300-400
250-350
200-250
250-350
48
FORM
TIPPED CUTTER HEADS
RELIEVED
SLITTING
HIGH SPEEED
PROFILE
SAWS
STEEL
CUTTERS
14-20
30-45
17-25
10-15
15-25
12-18
16-24
40-55
18-28
16-24
40-55
18-28
15-20
30-45
16-24
16-22
40-55
18-28
14-20
30-45
17-25
14-20
30-45
17-25
12-18
30-45
15-22
12-18
30-45
15-22
11-18
20-30
14-22
11-18
20-30
14-22
10-15
10-20
12-18
14-20
30-45
17-25
12-18
30-45
15-22
30-50
100-200
50-70
30-50
100-200
50-70
25-40
80-150
40-60
25-40
100-200
40-60
300-400
200-400
400-500
200-250
200-400
300-400
HARD
METAL
50-100
30-50
120-200
100-160
80-120
100-160
80-120
80-120
60-100
60-100
40
40
30-600
60-100
60-100
150-200
150-200
100-150
100-200
800-1000
600-800