Milling Milling Inserts
Geometry Application Guide
Milling geometry application
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
-
●
●
●
-
-
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
-
●
-
-
-
◐
◐
1013
300
-
●
-
-
-
◐ ◐ ◐
Grey cast iron
700
220
-
-
●
●
●
●
Nodular cast iron Malleable cast iron
880
260
-
-
●
●
●
●
800
250
-
-
●
●
●
●
Aluminum
260
75
-
-
-
-
-
-
●
Aluminum alloy
447
130
-
-
-
-
-
-
●
◐ ◐ ◐ ◐ ◐ ◐
◐ ◐ ◐ ◐
Fe-based alloy
943
280
-
●
-
-
-
Co-based alloy
1076
320
-
●
-
-
-
Ni-based alloy
1177
350
-
●
-
-
-
Ti-alloy
1262
370
-
●
-
-
-
Hardened steel
-
50-60HRC
-
-
-
-
-
●
Chilled cast iron
55HRC
-
-
-
-
-
-
●
● 1st choice ◐ 2nd choice -
Inapplicable
394
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