Page 76 - Multi-Master Catalog

USER GUIDE

Machining Data for MULTI-MASTER Endmills

Tensile (1)
Strength Hardness Material

ISO Material Condition [N/mm2] HB No.
< 0.25 %C Annealed 420 125 1
Non-alloy steel and >= 0.25 %C Annealed 650 190 2
cast steel, free cutting < 0.55 %C Quenched and tempered 850 250 3
steel >= 0.55 %C Annealed 750 220 4
>= 0.55 %C Quenched and tempered 1000 300 5
P Low alloy steel and Annealed 600 200 6
cast steel 930 275 7
(less than 5% Quenched and tempered 1000 300 8
all elements) 1200 350 9
High alloy steel, cast steel, and Annealed 680 200 10
tool steel Quenched and tempered 1100 325 11
Ferritic/martensitic 680 200 12
Stainless steel Martensitic 820 240 13
M Stainless steel Austenitic 600 180 14
Pearlitic/ferritic 180 15
Grey cast iron
Pearlitic/martensitic 260 16
K Ferritic 160 17
Ductile cast iron (nodular)
Pearlitic 250 18
Ferritic 130 19
Malleable cast iron Pearlitic 230 20

Aluminum- Not cureable 60 21
wrought alloy Cured 100 22
<=12% Si Not cureable 75 23
Aluminum-cast, Cured 90 24
alloyed
N >12% Si High temperature 130 25
>1% Pb Free cutting 110 26
Copper alloys Brass 90 27
Electrolitic copper 100 28
Duroplastics, fiber plastics 29
Non-metallic Hard rubber 30
Annealed 200 31
Fe based
Cured 280 32
High temp. alloys Annealed 250 33
S Ni or Co based Cured 350 34
Cast 320 35
RM 400 36
Titanium and Ti alloys Alpha+beta alloys cured RM 1050 37
Hardened 55 HRc 38
Hardened steel Hardened 60 HRc 39
H
Chilled cast iron Cast 400 40
Cast iron Hardened 55 HRc 41
For grade priorities for multi-master endmills, see page 72.
(1) For workpiece materials list, see pages 88-123.

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