Milling
Geometry Application Guide
Milling geometry application table
Materials
FM2
MM3
MM4
MR2
MR6
RR2
HR2
Suitable for machining aluminium alloy
Tensile strength (N/mm 2 )
Hardness (HB)
Light cutting
General purpose
Medium machining
Heavy roughing
Material classification
Roughing
Roughing
ISO
◐ ◐ ◐ ◐ ◐ ◐ ◐
● ● ● ● ● ● ● ● ◐ ◐ ◐
● ● ● ● ● ◐ ◐ ◐ ● ● ●
● ● ● ● ●
<600
<180
-
-
-
Unalloyed steel
<950
<280
-
-
-
P
700-950
200-280
-
-
-
Alloyed steel
950-1200 280-355
-
-
-
1200-1400 355-415
-
-
-
Duplex stainless steel Austenitic stainless steel Precipitation- hardening stainless steel
778
230
-
-
-
-
675
200
-
-
-
-
M
◐
1013
300
-
-
-
-
● ● ●
● ● ●
● ● ●
Grey cast iron
700
220
-
-
K
Nodular cast iron 880
260
-
-
Malleable cast iron 800
250
-
-
● ●
Aluminum 260
75
-
-
-
-
-
-
N
Aluminum alloy
447
130
-
-
-
-
-
-
● ● ● ●
◐ ◐ ◐ ◐ ◐ ◐
◐ ◐ ◐ ◐ ● ●
Fe-based alloy
943
280
-
-
-
-
Co-based alloy
1076
320
-
-
-
-
S
Ni-based alloy
1177
350
-
-
-
-
Ti-alloy
1262
370
-
-
-
-
-
Hardened steel
50-60HRC -
-
-
-
-
H
-
Chilled cast iron
55HRC
-
-
-
-
-
● 1st choice ◐ 2nd choice -
Inapplicable
271
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