牌号性能
|
Cr20Ni80
|
Cr30Ni70
|
Cr15Ni60
|
Cr20Ni35
|
Cr20Ni30
| |
主要化学成份
|
Ni
|
Rest
|
Rest
|
55.0-61.0
|
34.0-37.0
|
30.0-34.0
|
Cr
|
20.0-23.0
|
28.0-31.0
|
15.0-18.0
|
18.0-21.0
|
18.0-21.0
| |
Fe
|
≤1.0
|
≤1.0
|
Rest
|
Rest
|
Rest
| |
元件最高使用温度(ºC)
|
1200
|
1250
|
1150
|
1100
|
1100
| |
电阻率20ºC (μΩ·m)
|
1.09
|
1.18
|
1.12
|
1.0
|
1.04
| |
密度(g/cm3)
|
8.40
|
8.10
|
8.20
|
7.90
|
7.90
| |
导热系数(KJ/m·h·ºC)
|
60.3
|
45.2
|
45.2
|
43.8
|
43.8
| |
线胀系数(α×10-6/ºC)
|
18.0
|
17.0
|
17.0
|
19.0
|
19.0
| |
熔点约值( ºC)
|
1400
|
1380
|
1390
|
1390
|
1390
| |
延伸率(%)
|
>20
|
>20
|
>20
|
>20
|
>20
| |
显微组织
|
austenite
|
austenite
|
austenite
|
austenite
|
austenite
| |
磁性
|
nonmagnetic
|
nonmagnetic
|
nonmagnetic
|
Weak magnetic
|
Weak magnetic
|
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