Typical Physical Properties - Alumec 89
®
Thermal conductivity (at 25
o
)
165W/
o
C
Young’s modulus
71 GPa
Coefficient of linear expansion
23x10-6 per
o
C
Compression modulus
73 Pa
Relative density
165W/
o
C
Rigidity modulus
27 GPa
Specific heat capacity
165W/
o
C
Ultimate shear stress
320 MPa
Machinability Data
Machinability factors (K) (in
3
removed per minute per horsepower at cutter)
Source: Tool & Manufacturing Engineers Handbook
(K)
(K)
Aluminium Alloys, Magnesium Alloys
2.5 - 4.0
Forged and Steel Alloy
0.5
Bronze, Brass
Soft
1.7 - 2.5
Free Machining S/Steel
1.1
Medium
1.0 - 1.4
Copper (annealed)
0.84
Hard
0.9
Tooled Steel
0.505
Forged and Alloy Steel
0.63 - 0.87
Titanium
0.75
Process Values
10
s . com
Tech Data
HIGH SPEED STEEL
UNCOATED CARBIDE
Speed
Feed
Tool Material
Speed
Feed Tool Material
Cut Depth
mm m/mm mm/rev
ISO
Brazed
m/mm
Indexable
m/min mm/rev
ISO
TUNING
Toolsteel P20 /
Alumec
®
Top and side rake 5 - 10.
Nose radius 0.25 - 0.40mm
1
1
44
305
0.18
0.18
S4, S5
S4, S5
140
610
175
max
0.18
0.25
P10
K01, M10
8
8
29
245
0.50
0.75
S4, S5
S4, S5
90
365
105
max
0.75
1.00
P30
KP1, M10
BORING
Toolsteel P20 /
Alumec
®
0.25
0.251
43
305
0.075
0.075
S4, S5
S4, S5
130
610
150
max
0.075
0.15
P10
K01, M10
2.50
2.50
23
215
0.030
0.030
S4, S5
S4, S5
73
365
85
max
0.30
0.40
P30
K20, M20
FACE MILLING
HIGH SPEED STEEL
UNCOATED CARBIDE
Speed Feed/Tooth Tool Material
Speed
Feed/Tooth Tool Material
Cut Depth
mm m/mm mm/rev
ISO
Brazed
m/mm
Indexable
m/min mm/rev
ISO
Toolsteel P20 /
Alumec
®
1
1
50
365
0.15
0.25
S4, S2
S4, S2
150
610
170
max
0.20
0.25
CP20
K10, M20
8
8
30
280
0.36
0.50
S4, S2
S4, S2
81
365
100
max
0.40
0.65
CP20
K20, M30
END MILLING
HIGH SPEED STEEL
UNCOATED CARBIDE
Radial
Cut Depth
mm
Speed Feed mm/tooth
Cutter ø mm
10 25-50
Tool Material Speed Feed mm/tooth
Cutter ø mm
m/mm 10 25-50
Tool Material
m/mm
ISO
ISO
Toolsteel P20 /
Alumec
®
0.50
0.50
37
245
0.025 0.102
0.75 0.180
S4
S4, S2
160
395
0.025 0.130
0.075
0.180
P20, M20
K20, M20
