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江苏新华合金电器有限公司
086-0523-83760808
83761157
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Rail chromium chromium alloys with high
resistance electrothermal high resistivity,
resistance temperature coefficient small,
the use of high-temperature characteristics.
High temperature resistant corrosive good,
especially suitable for the climate in which
the use of sulphur and sulphide and low prices,
industrial stoves, household electrical appliances,
far-infrared devices, ideal heat materials.
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| Commonly used stoves, theoretical weight scale (pit furnace) |
| Materials |
Power(kw) |
Line
Drive(mm) |
Weight（kg） |
Remarks |
|
0Cr25Al5 |
25 |
4.0 |
14 |
|
|
0Cr25Al5 |
30 |
4.5 |
18.5 |
|
|
0Cr25Al5 |
36 |
4.5 |
15.5 |
|
|
0Cr25Al5 |
36 |
5.0 |
22.5 |
|
|
0Cr25Al5 |
55 |
4.5 |
31 |
|
|
0Cr25Al5 |
60 |
4.5 |
37 |
|
|
0Cr25Al5 |
75 |
4.0
6.0 |
14
34 |
|
|
0Cr25Al5 |
90 |
4.5 |
55+18.5 |
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|
0Cr25Al5 |
105 |
5.0 |
44 |
|
| Box-type
furnace |
|
0Cr25Al5 |
4 |
1.5 |
0.8 |
220V |
|
0Cr25Al5 |
6 |
1.8 |
1.2 |
220V |
|
0Cr25Al5 |
8 |
1.8 |
1.8 |
380V |
|
0Cr25Al5 |
10 |
2.0 |
2.2 |
380V |
|
0Cr25Al5 |
12 |
2.2 |
2.6 |
380V |
|
0Cr25Al5 |
15 |
4.0 |
7.5 |
380V |
|
0Cr25Al5 |
20 |
5.0 |
14 |
380V |
|
0Cr25Al5 |
30 |
4.5 |
18.5 |
380V |
|
0Cr25Al5 |
45 |
5.5 |
27 |
380V |
|
0Cr25Al5 |
60 |
4.5 |
37 |
380V |
|
0Cr25Al5 |
75 |
5.0 |
44 |
380V |
|
0Cr25Al5 |
105 |
6.0 |
60 |
380V |
|
| Stoves wires major technical performance：（After a detailed look at the parameters） |
Just |
1Cr13AL4
|
1Cr21AL4
|
0Cr21AL6
|
0Cr23AL5 |
0Cr25AL5
|
0Cr21AL6Nb |
0Cr27AL7Mo2 |
| Performance |
|
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| Major chemical components% |
Cr
|
12.0-15.0
|
17.0-21.0
|
19.0-22.0
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20.0-23.5
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23.0-26.0
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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
|
Cushion
|
Cushion
|
Cushion
|
Cushion
|
Cushion
|
Cushion
|
Cushion |
| Re |
Modest |
Modest
|
Modest
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Modest
|
Modest
|
Modest
|
Modest |
| |
|
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By volume
Nb:0.5
|
By volume
Nb:0.5
|
| Components maximum use temperature℃ |
950 |
1100 |
1250 |
1250 |
1250 |
1350 |
1400 |
| Melting point ℃ |
1450 |
1500 |
1500 |
1500 |
1500 |
1510 |
1520 |
| Density g/cm3 |
7.40 |
7.35 |
7.16 |
7.25 |
7.10 |
7.10 |
7.10 |
| Resistivity μΩ·m，20℃ |
1.25±0.08
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1.23±0.06
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1.42±0.07
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1.35±0.06
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1.42±0.07
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1.45±0.07
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1.53±0.07
|
Tensile strength Mpa
|
588～735
|
637～784
|
637～784
|
637～784
|
637～784
|
637～784
|
686～784 |
| Extension rate% |
≥16
|
≥12
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≥12
|
≥12
|
≥12
|
≥12
|
≥10 |
Repeatedly bending frequency
|
≥5
|
≥5
|
≥5
|
≥5
|
≥5
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≥5
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≥5 |
Rapid life h/℃
|
—— |
≥80/1250
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≥80/1300
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≥80/1300
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≥80/1300
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≥80/1350
|
≥80/1350 |
Than hot J/g.℃
|
0.490
|
0.490 |
0.520
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0.460
|
0.494 |
0.494 |
0.494 |
Heat conduction coefficient KJ/m.h℃
|
52.7 |
46.9 |
63.2 |
60.2 |
46.1 |
46.1 |
45.2 |
| Linear expansion coefficient
a×10-6/℃
（20～1000℃
|
15.4 |
13.5 |
14.7 |
15.0 |
16.0 |
16.0 |
16.0 |
Hardness HB
|
200～260
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200～260
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200～260
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200～260
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200～260
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200～260
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200～260 |
Relying organizations
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Ferritic
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Ferritic
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Ferritic
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Ferritic
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Ferritic
|
Ferritic
|
Ferritic |
| Relying organizations |
Magnetic |
Magnetic |
Magnetic |
Magnetic |
Magnetic |
Magnetic |
Magnetic |
Stoves wires design parameters：（After a detailed look at the parameters）
Line Drive
(mm) |
Cross-sectional area
(mm2) |
cm2/m |
0Cr25A15 |
0Cr21A16Nb |
0Cr27A17Mo2 |
| kg/m |
Ω/m,20℃ |
kg/m |
Ω/m,20℃ |
kg/m |
Ω/m,20℃ |
| 0.10 |
0.007854
|
3.142 |
0.00005576
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180.8 |
0.00005576
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184.6 |
0.00005576
|
194.8 |
| 0.12 |
0.01131
|
3.770 |
0.00008030
|
125.6 |
0.00008030
|
128.2 |
0.00008030
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135.3 |
| 0.15 |
0.01767
|
4.712 |
0.0001255
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80.36 |
0.0001255
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82.05 |
0.0001255
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86.58 |
| 0.17 |
0.02270
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5.341 |
0.0001612
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62.56 |
0.0001612
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63.88 |
0.0001612
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67.41 |
| 0.19 |
0.02835
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5.969 |
0.0002013
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50.08 |
0.0002013
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51.14 |
0.0002013
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53.96 |
| 0.21 |
0.03464
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6.597 |
0.0002459
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41.00 |
0.0002459
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41.86 |
0.0002459
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44.17 |
| 0.25 |
0.04909
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7.854 |
0.0003485 |
28.93 |
0.0003485 |
29.54 |
0.0003485 |
31.17 |
| 0.27 |
0.05726
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8.482 |
0.0004065
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24.80 |
0.0004065
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25.33 |
0.0004065
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26.72 |
| 0.29 |
0.06605
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9.111 |
0.0004690
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21.50 |
0.0004690
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21.95 |
0.0004690
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23.16 |
| 0.31 |
0.07548
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9.739 |
0.0005359
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18.81 |
0.0005359
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19.21 |
0.0005359
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20.27 |
| 0.35 |
0.09621
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11.00 |
0.0006830
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14.76 |
0.0006830
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15.07 |
0.0006830
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15.90 |
| 0.40 |
0.1257
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12.57 |
0.0008922
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11.30 |
0.0008922
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11.54 |
0.0008922
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12.18 |
| 0.45 |
0.1590
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14.14 |
0.001129
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8.928 |
0.001129
|
9.117 |
0.001129
|
9.620 |
| 0.50 |
0.1963
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15.71 |
0.001394
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7.232 |
0.001394
|
7.385 |
0.001394
|
7.792 |
| 0.60 |
0.2827 |
18.85 |
0.002006
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5.022 |
0.002006
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5.128 |
0.002006
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5.411 |
| 0.70 |
0.3848
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21.99 |
0.002732
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3.690 |
0.002732
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3.768 |
0.002732
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3.976 |
| 0.80 |
0.5027
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25.13 |
0.003569
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2.825 |
0.003569
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2.885 |
0.003569
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3.044 |
| 0.90 |
0.6362
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28.28 |
0.004517
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2.232 |
0.004517
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2.279 |
0.004517
|
2.405 |
| 1.00 |
0.7854
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31.42 |
0.005576
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1.808 |
0.005576
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1.846 |
0.005576
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1.948 |
| 1.20 |
1.131
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37.70 |
0.008030
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1.256 |
0.008030
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1.282 |
0.008030
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1.353 |
| 1.40 |
1.539
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43.98 |
0.01093
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0.9224 |
0.01093
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0.9419 |
0.01093
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0.9939 |
| 1.60 |
2.011
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50.27 |
0.01428
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0.7063 |
0.01428
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0.7212 |
0.01428
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0.7610 |
| 1.80 |
2.545
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56.55 |
0.01807
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0.5580 |
0.01807
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0.5698 |
0.01807
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0.6013 |
| 2.00 |
3.142
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62.83 |
0.02231
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0.4520 |
0.02231
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0.4615 |
0.02231
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0.4870 |
| 2.20 |
3.801
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69.12 |
0.02699
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0.3736 |
0.02699
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0.3814 |
0.02699
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0.4025 |
| 2.50 |
4.909
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78.54 |
0.03485
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0.2893 |
0.03485
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0.2954 |
0.03485
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0.3117 |
| 2.80 |
6.158
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87.96 |
0.04372
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0.2306 |
0.04372
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0.2355 |
0.04372
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0.2485 |
| 3.00 |
7.069
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94.25 |
0.05019
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0.2009 |
0.05019
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0.2051 |
0.05019
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0.2165 |
| 3.50 |
9.621
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110.0 |
0.06831
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0.1476 |
0.06831
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0.1507 |
0.06831
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0.1590 |
| 4.00 |
12.57
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125.7 |
0.08922
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0.1130 |
0.08922
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0.1154 |
0.08922
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0.1218 |
| 4.50 |
15.90
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141.1 |
0.1129
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0.08928 |
0.1129
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0.09117 |
0.1129
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0.09620 |
| 5.00 |
19.63
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157.1 |
0.1394
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0.07232 |
0.1394
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0.07385 |
0.1394
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0.07792 |
| 5.50 |
23.76
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172.8 |
0.1687
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0.05977 |
0.1687
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0.06103 |
0.1687
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0.06440 |
| 6.00 |
28.27 |
188.5 |
0.2006
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0.05022 |
0.2006
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0.05128 |
0.2006
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0.05411 |
| 6.50 |
33.18
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204.2 |
0.2356
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0.04279 |
0.2356
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0.04370 |
0.2356
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0.04611 |
| 7.00 |
38.48 |
219.9 |
0.2732 |
0.03690 |
0.2732 |
0.03768 |
0.2732 |
0.03976 |
Product specifications
| Cold
pull alloy wire rod |
Diameter |
φ1.0-φ10.0mm |
| Hot
rolling alloy plate Yuan |
Diameter |
φ8.0-φ12.0mm |
| Cold-rolled
alloy belt thin |
Thickness
|
0.5-3.5mm |
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Width |
5.0-45.0mm |
| Hot
rolling alloy belt thin |
Thickness
|
3.0-6.0mm |
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Width |
12.0-45.0mm |
| Coloured
lights around axle |
Diameter |
φ0.1-φ1.0mm |
| Around
axle instead Biansi |
Thickness |
0.08-1.50mm |
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Width |
0.5-5.0mm |
Delivery status
1、Supply state
Wire rod and plate million to Bailiang or oxidation color
soft attitude supply.
In addition to build special requirements, the general supply
to anneal the oxide color.
And the protection of gas anneal Biansi then, a light soft
attitude supply.
2、Product packaging
Wire rod and cloth bags with built in packaging, into volume
supply.
Rinse and Biansi, Gansu around axle supply.
3、Export products and users with special requirements, through
consultation.
Guidelines
1、Stoves wires in the design shall be based on power wiring
method, a reasonable surface load correctly chosen wires
Drive;
2、Stoves wires in a comprehensive chamber should be installed
before the inspection, clearing Rail Su body, customs carbon,
and an electric contact on the potential dangers to avoid
short-circuit, causing stoves to prevent wires puncture;
3、Stoves wires in the installation of wiring methods, the
correct link should be designed;
4、In the use of an electric wires before inspecting electrical
system sensitivity to prevent Wen failure caused burning
stoves wires.
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