Glavne tehničke vještine žice od gvožđa-hrom-aluminijuma za grejanje od električne legure za grejanje:
Ocjena/performanse
1Cr13AL4
1Cr21AL4
0Cr21AL6
0Cr23AL5
0Cr25AL5
0Cr21AL6Nb
0Cr27AL7Mo2
Cr
12.0-15.0
17.0-21.0
19.0-22.0
20.0-23.5
23.0-26.0
21.0～23.0
26.5～27.8
AI
4.0～6.0
2.0～4.0
5.0～7.0
4.2～5.3
4.5～6.5
5.0～7.0
6.0～7.0
Fe
marža
marža
marža
marža
marža
marža
marža
Fe
Tačan iznos
Tačan iznos
Tačan iznos
Tačan iznos
Tačan iznos
Tačan iznos
Tačan iznos
Dodavanje iznosa Nb: 0,5
Dodavanje iznosa Nb: 0,5
Najviša upotrebljiva temperatura komponente ℃
950
1100
1250
1250
1250
1350
1400
Tačka topljenja ° C
1450
1500
1500
1500
1500
1510
1520
Gustoća g/cm3
7.40
7.35
7.16
7.25
7.10
7.10
7.10
Otpornost μΩ · m, 20 ℃
1.25±0.08
1.23±0.06
1.42±0.07
1.35±0.06
1.42±0.07
1.45±0.07
1.53±0.07
Vlačna čvrstoća Mpa
588～735
637～784
637～784
637～784
637～784
637～784
686～784
Elongacija%
≥16
≥12
≥12
≥12
≥12
≥12
≥10
Broj ponovljenih savijanja
≥5
≥5
≥5
≥5
≥5
≥5
≥5
Brzi život h/℃
——
≥80/1250
≥80/1300
≥80/1300
≥80/1300
≥80/1350
≥80/1350
Specifična toplina J/g. ℃
0.490
0.490
0.520
0.460
0.494
0.494
0.494
Toplinska vodljivost KJ/mh ℃
52.7
46.9
63.2
60.2
46.1
46.1
45.2
Linearni koeficijent širenja
a×10-6/℃
(20～1000℃)
15.4
13.5
14.7
15.0
16.0
16.0
16.0
Tvrdoća HB
200～260
200～260
200～260
200～260
200～260
200～260
200～260
Mikrostruktura
Ferit
Ferit
Ferit
Ferit
Ferit
Ferit
Ferit
magnetski
magnetski
magnetski
magnetski
magnetski
magnetski
magnetski
magnetski
Glavni projektni parametri željezne žice-krom-aluminij žice za grijanje od električne legure za grijanje:
Prečnik žice
(mm)
Površina poprečnog presjeka
(mm2)
Po metru
Površina
cm2/m
0Cr25AL5
0Cr21AL6Nb
0Cr27AL7Mo2
Težina po metru
kg/m
Otpor po metru
Ω/m,20℃
Težina po metru
kg/m
Otpor po metru
Ω/m,20℃
Težina po metru
kg/m
Otpor po metru
Ω/m,20℃
0.10
0.007854
3.142
0.00005576
180.8
0.00005576
184.6
0.00005576
194.8
0.12
0.01131
3.770
0.00008030
125.6
0.00008030
128.2
0.00008030
135.3
0.15
0.01767
4.712
0.0001255
80.36
0.0001255
82.05
0.0001255
86.58
0.17
0.02270
5.341
0.0001612
62.56
0.0001612
63.88
0.0001612
67.41
0.19
0.02835
5.969
0.0002013
50.08
0.0002013
51.14
0.0002013
53.96
0.21
0.03464
6.597
0.0002459
41.00
0.0002459
41.86
0.0002459
44.17
0.25
0.04909
7.854
0.0003485
28.93
0.0003485
29.54
0.0003485
31.17
0.27
0.05726
8.482
0.0004065
24.80
0.0004065
25.33
0.0004065
26.72
0.29
0.06605
9.111
0.0004690
21.50
0.0004690
21.95
0.0004690
23.16
0.31
0.07548
9.739
0.0005359
18.81
0.0005359
19.21
0.0005359
20.27
0.35
0.09621
11.00
0.0006830
14.76
0.0006830
15.07
0.0006830
15.90
0.40
0.1257
12.57
0.0008922
11.30
0.0008922
11.54
0.0008922
12.18
0.45
0.1590
14.14
0.001129
8.928
0.001129
9.117
0.001129
9.620
0.50
0.1963
15.71
0.001394
7.232
0.001394
7.385
0.001394
7.792
0.60
0.2827
18.85
0.002007
5.022
0.002007
5.128
0.002007
5.411
0.70
0.3848
21.99
0.002732
3.690
0.002732
3.768
0.002732
3.976
0.80
0.5027
25.13
0.003569
2.825
0.003569
2.885
0.003569
3.044
0.90
0.6362
28.28
0.004517
2.232
0.004517
2.279
0.004517
2.405
1.00
0.7854
31.42
0.005576
1.808
0.005576
1.846
0.005576
1.948
1.20
1.131
37.70
0.008030
1.256
0.008030
1.282
0.008030
1.353
1.40
1.539
43.98
0.01093
0.9224
0.01093
0.9419
0.01093
0.9939
1.60
2.011
50.27
0.01428
0.7063
0.01428
0.7212
0.01428
0.7610
1.80
2.545
56.55
0.01807
0.5580
0.01807
0.5698
0.01807
0.6013
2.00
3.142
62.83
0.02231
0.4520
0.02231
0.4615
0.02231
0.4870
2.20
3.801
69.12
0.02699
0.3736
0.02699
0.3814
0.02699
0.4025
2.50
4.909
78.54
0.03485
0.2893
0.03485
0.2954
0.03485
0.3117
2.80
6.158
87.96
0.04372
0.2306
0.04372
0.2355
0.04372
0.2485
3.00
7.069
94.25
0.05019
0.2009
0.05019
0.2051
0.05019
0.2165
3.50
9.621
110.0
0.06831
0.1476
0.06831
0.1507
0.06831
0.1590
4.00
12.57
125.7
0.08922
0.1130
0.08922
0.1154
0.08922
0.1218
4.50
15.90
141.1
0.1129
0.08928
0.1129
0.09117
0.1129
0.09620
5.00
19.63
157.1
0.1394
0.07232
0.1394
0.07385
0.1394
0.07792
5.50
23.76
172.8
0.1687
0.05977
0.1687
0.06103
0.1687
0.06440
6.00
28.27
188.5
0.2007
0.05022
0.2007
0.05128
0.2007
0.05411
6.50
33.18
204.2
0.2356
0.04279
0.2356
0.04370
0.2356
0.04611
7.00
38.48
219.9
0.2732
0.03690
0.2732
0.03768
0.2732
0.03976
