替代銅製品易加工量輕
可分粗細放電至成品
汽車把手模具、輪框圈模具、保險桿模具
鑄造鋼模具、粉末治具模具
|
Proerty
|
values
|
R-8500
|
R-8510
|
R-8650
|
R-8710
|
E+20
|
|
Density
|
g/cm3
|
1.77
|
1.83
|
1.84
|
1.88
|
1.81
|
|
Porosity(Open)
|
%
|
14
|
10
|
10
|
10
|
10
|
|
Grain Size
|
μm
|
10
|
10
|
7
|
3
|
11
|
|
Hradness Rockwell B 5/100
|
HRB
|
70
|
95
|
95
|
105
|
70
|
|
Flexural Strength
|
Mpa
|
50
|
60
|
65
|
85
|
52
|
|
Compressive Strength
|
Mpa
|
110
|
130
|
150
|
170
|
103
|
Specific electrical resistance
|
µΩm
|
14
|
13
|
14
|
13
|
12.4
|
|
Thermal expension
|
x10-6K-1
|
4.2
|
4.2
|
4.1
|
4.7
|
5
|
Thermal conductivity
|
Wm-1K-1
|
90
|
105
|
95
|
105
|
104
|
Ash Value
|
ppm
|
200
|
200
|
200
|
200
|
400
|
|
Proerty
|
values
|
E+25
|
E+30
|
G-330
|
HK-2
|
HK-3
|
|
Density
|
g/cm3
|
1.83
|
1.84
|
1.79
|
1.82
|
1.84
|
|
Porosity(Open)
|
%
|
8
|
-
|
15
|
-
|
-
|
|
Grain Size
|
μm
|
9
|
8
|
12
|
7
|
3
|
|
Hradness Rockwell B 5/100
|
HRB
|
80
|
90
|
56
|
64
|
78
|
|
Flexural Strength
|
Mpa
|
55
|
65
|
39.2
|
64
|
88
|
|
Compressive Strength
|
Mpa
|
119
|
134
|
-
|
-
|
-
|
Specific electrical resistance
|
µΩm
|
12.2
|
12.20
|
13
|
13.5
|
15.5
|
|
Thermal expension
|
x10-6K-1
|
5.6
|
6
|
4.8
|
-
|
-
|
Thermal conductivity
|
Wm-1K-1
|
106
|
105
|
104
|
-
|
-
|
Ash Value
|
ppm
|
400
|
400
|
400
|
400
|
400
|
