|
型号
性能
|
1Cr13Al4
|
0Cr25Al5
|
0Cr21Al6
|
0Cr23Al5
|
0Cr21Al4
|
0Cr21Al6Nb
|
0Cr27Al7Mo2
|
|
主要化学成份
|
Cr
|
12.0-15.0
|
23.0-26.0
|
19.0-22.0
|
22.5-24.5
|
18.0-21.0
|
21.0-23.0
|
26.5-27.8
|
|
Al
|
4.0-6.0
|
4.5-6.5
|
5.0-7.0
|
4.2-5.0
|
3.0-4.2
|
5.0-7.0
|
6.0-7.0
|
|
Re
|
opportune
|
opportune
|
opportune
|
opportune
|
opportune
|
opportune
|
opportune
|
|
Fe
|
Rest
|
Rest
|
Rest
|
Rest
|
Rest
|
Rest
|
Rest
|
| |
|
|
|
|
|
Nb0.5
|
Mo1.8-2.2
|
|
元件最高使用温度（ºC）
|
650
|
1250
|
1250
|
1250
|
1100
|
1350
|
1400
|
|
电阻率20ºC (μΩ·m)
|
1.25
|
1.42
|
1.42
|
1.35
|
1.23
|
1.45
|
1.53
|
|
密度(g/cm3)
|
7.40
|
7.10
|
7.16
|
7.25
|
7.35
|
7.10
|
7.10
|
|
导热系数(KJ/m·h·ºC)
|
52.7
|
46.1
|
63.2
|
60.2
|
46.9
|
46.1
|
45.2
|
|
线胀系数(α×10-6/ºC)
|
15.4
|
16.0
|
14.7
|
15.0
|
13.5
|
16.0
|
16.0
|
|
熔点约值(
ºC)
|
1450
|
1500
|
1500
|
1500
|
1500
|
1510
|
1520
|
|
抗张系数 (N/mm2)
|
580-680
|
630-780
|
630-780
|
630-780
|
600-700
|
650-800
|
680-830
|
|
延伸率(%)
|
>16
|
>12
|
>12
|
>12
|
>12
|
>12
|
>10
|
|
断面收缩率
(%)
|
65-75
|
60-75
|
65-75
|
65-75
|
65-75
|
65-75
|
65-75
|
|
反复弯曲数(F/R)
|
>5
|
>5
|
>5
|
>5
|
>5
|
>5
|
>5
|
|
硬度
(H.B.)
|
200-260
|
200-260
|
200-260
|
200-260
|
200-260
|
200-260
|
200-260
|
|
显微组织
|
Ferrite
|
Ferrite
|
Ferrite
|
Ferrite
|
Ferrite
|
Ferrite
|
Ferrite
|
|
磁性
|
Magnetic
|
Magnetic
|
Magnetic
|
Magnetic
|
Magnetic
|
Magnetic
|
Magnetic
|
|
