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Position: Products |
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| Code: OCr21AL6Nb、OCr27AL7Mo2 |
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| Material: Fe-Cr-Al high-temperature wire |
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| Specifications: φ0.07mm~φ9.0mm |
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| features: Fe-Cr-Al high-temperature heat-resistant wire with chromium and aluminum content increased to improve, with excellent oxidation resistance, anti-and anti-carburizing of sulfur, and has a light weight, surface loading, long service life Low price a series of advantages, especially 0Cr27Al7Mo2 alloy, high temperature in the atmosphere, the relatively long life. Is widely used in industrial furnace, household appliances, industry furnace, metallurgy, machinery, aircraft, automotive, military and other industries producing heating elements and resistance elements |
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Product specifications：
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Cold drawnalloy wire |
Dia. |
φ1.0-φ9.0mm |
|
Bright wire |
Dia. |
φ0.07-φ1.0mm |
Echnical parameters of Fe-Cr-Al high-temperature wire Table：
|
Material/performance |
OCr21AL6Nb |
OCr27ALMo2 |
|
Main Chemical
Composition |
Cr |
21.0-23.0 |
26.5-27.8 |
|
Al |
5.0-7.0 |
6.0-7.0 |
|
Re |
opportune |
opportune |
|
Fe |
Rest |
Rest |
|
|
Nb0.5 |
Mo1.8-2.2 |
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Max.continuous service temp.of element
(ºC) |
1350 |
1400 |
|
Resistivity at 20ºC (μΩ·m) |
1.45 |
1.53 |
|
Density(g/cm3) |
7.10 |
7.10 |
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Thermal conductivity (KJ/m·h·ºC) |
46.1 |
45.2 |
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Coefficient of lines expansion
(α×10-6/ºC) |
16.0 |
16.0 |
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Melting point ( ºC) |
1510 |
1520 |
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Tensile strength |
650-800 |
680-830 |
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Elongation at rupture (%) |
>12 |
>10 |
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Variation of area (%) |
65-75 |
65-75 |
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Repeat bending Frequency (F/R) |
>5 |
>5 |
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Hardness(H.B.) |
200-260 |
200-260 |
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Micrographic structure |
Ferrite |
Ferrite |
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Magnetic properties |
Magnetic |
Magnetic |
Technical parameters of Fe-Cr-Al high-temperature wire Table：
|
Dia. |
Cross sectional area
(mm2) |
Surface per meter
(cm2/m) |
0Cr21Al6Nb |
0Cr27Al7Mo2 |
|
1.45±0.07 Resistivty μΩ• m |
1.53±0.07 ResistivityμΩ• m |
|
Resistance per meter
(Ω/m) |
Length per kg.
(m/kg) |
Weight per meter
(kg/m) |
Resistance per meter
(Ω/m) |
Length per kg. (m/kg) |
Weight per meter(kg/m) |
|
0.10 |
0.0078 |
3.14 |
184.6 |
17933 |
0.0000558 |
194.8 |
17933 |
0.0000558 |
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0.12 |
0.0113 |
3.77 |
128.2 |
12453 |
0.0000803 |
135.3 |
12453 |
0.0000803 |
|
0.15 |
0.0177 |
4.71 |
82.1 |
7970 |
0.000125 |
80.6 |
7970 |
0.000125 |
|
0.17 |
0.0227 |
5.34 |
63.9 |
6205 |
0.000161 |
67.4 |
6205 |
0.000161 |
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0.19 |
0.0284 |
5.97 |
51.1 |
4968 |
0.000201 |
54.0 |
4968 |
0.000201 |
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0.21 |
0.0346 |
6.60 |
41.9 |
4066 |
0.000246 |
44.2 |
4066 |
0.000246 |
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0.25 |
0.0491 |
7.85 |
29.5 |
2870 |
0.000349 |
31.2 |
2870 |
0.000349 |
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0.27 |
0.0573 |
8.48 |
25.0 |
2460 |
0.000407 |
26.7 |
2460 |
0.000407 |
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0.29 |
0.0661 |
9.11 |
22.0 |
2131 |
0.000469 |
23.2 |
2132 |
0.000469 |
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0.31 |
0.0755 |
9.74 |
19.2 |
1866 |
0.000536 |
20.3 |
1866 |
0.000536 |
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0.35 |
0.0962 |
11.00 |
15.1 |
1464 |
0.000683 |
15.9 |
1464 |
0.000683 |
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0.40 |
0.1257 |
12.57 |
11.54 |
1121 |
0.000892 |
12.19 |
1121 |
0.000892 |
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0.45 |
0.1590 |
14.14 |
9.12 |
886 |
0.001129 |
9.62 |
886 |
0.001129 |
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0.50 |
0.1963 |
15.71 |
7.38 |
717 |
0.001394 |
7.79 |
717 |
0.001394 |
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0.60 |
0.283 |
18.85 |
5.13 |
498 |
0.00201 |
5.41 |
498 |
0.00201 |
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0.70 |
0.385 |
22.0 |
3.77 |
366 |
0.00273 |
3.98 |
366 |
0.00273 |
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0.80 |
0.503 |
25.1 |
2.88 |
280 |
0.00357 |
3.04 |
280 |
0.00357 |
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0.90 |
0.636 |
28.3 |
2.28 |
221 |
0.00452 |
2.41 |
221 |
0.00452 |
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1.00 |
0.785 |
31.4 |
1.85 |
179.5 |
0.00557 |
1.95 |
179.5 |
0.00557 |
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1.20 |
1.131 |
37.7 |
1.282 |
124.5 |
0.00803 |
1.35 |
124.5 |
0.00803 |
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1.40 |
1.539 |
44.0 |
0.942 |
91.5 |
0.01093 |
0.994 |
91.5 |
0.01093 |
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1.60 |
3.01 |
50.3 |
0.721 |
70.1 |
0.01427 |
0.761 |
70.1 |
0.01427 |
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1.80 |
2.54 |
56.5 |
0.570 |
55.5 |
0.01803 |
0.601 |
55.5 |
0.01803 |
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2.00 |
3.14 |
62.8 |
0.462 |
44.8 |
0.0229 |
0.487 |
44.8 |
0.0229 |
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2.20 |
3.80 |
69.1 |
0.381 |
37.0 |
0.0270 |
0.402 |
37.0 |
0.0270 |
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2.50 |
4.91 |
78.5 |
0.295 |
28.7 |
0.0349 |
0.312 |
28.7 |
0.0349 |
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2.80 |
6.16 |
88.0 |
0.235 |
22.9 |
0.0437 |
0.248 |
22.9 |
0.0437 |
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3.00 |
7.07 |
94.2 |
0.205 |
19.92 |
0.052 |
0.216 |
19.92 |
0.052 |
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3.50 |
9.62 |
110.0 |
0.1510 |
14.64 |
0.0683 |
0.159 |
14.64 |
0.0683 |
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4.00 |
12.57 |
125.7 |
0.1154 |
11.21 |
0.0892 |
0.1218 |
11.21 |
0.0892 |
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4.50 |
15.90 |
141.4 |
0.0912 |
8.86 |
0.1129 |
0.0962 |
8.86 |
0.1129 |
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5.00 |
19.63 |
157.1 |
0.0738 |
7.17 |
0.1394 |
0.0779 |
7.17 |
0.1394 |
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5.50 |
23.80 |
172.8 |
0.0610 |
5.92 |
0.1690 |
0.0644 |
5.92 |
0.1690 |
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6.00 |
28.30 |
188.5 |
0.0513 |
4.98 |
0.201 |
0.0541 |
4.98 |
0.201 |
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6.50 |
33.20 |
204 |
0.0437 |
4.24 |
0.236 |
0.0461 |
4.24 |
0.236 |
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7.00 |
38.50 |
220 |
0.0377 |
3.66 |
0.273 |
0.0398 |
3.66 |
0.273 |
Delivery status:
1、Product packaging and wire cloth strip wrapped in packages, in rolls supply. wire and flat, around the axis of Plastic Supply.
2、Export products and customers with special requirements, negotiated settlement. |
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