鐵鉻鋁
電阻率高、電阻溫度系數小,使用溫度高,在高溫下耐腐蝕性能好,尤其適合在含有硫和硫化物環境中使用。
High resistivity, small temperature coefficient of resistance, high use temperature, corrosion resistance at high temperature, suitable for use in containing sulfur and sulfur compounds.
主要技術性能
Main technique property

|
0Cr25Al5
|
0Cr23Al5
|
1Cr13Al4
|
0Cr21Al4
|
主要化學成分(%)
Main Chemical Composition (%)
|
Cr
|
23-26
|
20.5-23.5
|
12-15
|
17-21
|
Al
|
4.5-5.5
|
4.2-5.3
|
4-6
|
2-4
|
Fe
|
余量Rest
|
余量Rest
|
余量Rest
|
余量Rest
|
Re
|
適量Opportune amount
|
適量Opportune amount
|
適量Opportune amount
|
適量Opportune amount
|
Mn
|
≤0.7
|
≤0.7
|
≤0.7
|
≤0.7
|
Nb
|
-
|
-
|
-
|
-
|
元件最高使用溫度(℃)
Max.continuous service temperature(℃)
|
1250
|
1250
|
950
|
1100
|
密度(g/cm3)
Density(g/cm3)
|
7.10
|
7.25
|
7.40
|
7.35
|
電阻率(µΩ.m)20℃
Resistivity(µΩ.m)20℃
|
1.42±0.07
|
1.35±0.06
|
1.25±0.08
|
1.23±0.06
|
熔點約值
Melting point(approx.)(℃)
|
1500
|
1500
|
1450
|
1500
|
抗拉強度(Mpa)
Tensile strength(Mpa)
|
637-784
|
637-784
|
588-735
|
637-784
|
延伸率(%)
Elogation(%)
|
>12
|
>12
|
>16
|
>14
|
顯微組織
Micrographic structure
|
鐵素體F
|
鐵素體F
|
鐵素體F
|
鐵素體F
|
磁性
Magnetic properties
|
磁性
Magnetic
|
磁性
Magnetic
|
磁性
Magnetic
|
磁性
Magnetic
|
|