alloy

Fe-Cr-Al high-temperature wire

Code: OCr21AL6Nb, OCr27AL7Mo2

Category: Fe-Cr-Al high-temperature wire

Specifications: f0.07mm~f9.0mm

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

Specifications :-
Cold drawnalloy wire Dia. f1.0-f9.0mm
Bright wire Dia. f0.07-f1.0mm
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
Max.continuous service temp.of element(șC) 1350 1400
Resistivity at 20șC  (”O·m) 1.45 1.53
Density(g/cm3) 7.10 7.10
Thermal conductivity (KJ/m·h·șC) 46.1 45.2
Coefficient of lines expansion(aŚ10-6/șC) 16.0 16.0
Melting point ( șC) 1510 1520
Tensile strength 650-800 680-830
Elongation at rupture (%) >12 >10
Variation of area  (%) 65-75 65-75
Repeat bending Frequency (F/R) >5 >5
Hardness(H.B.) 200-260 200-260
Micrographic structure Ferrite Ferrite
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 ”O. m 1.53±0.07 Resistivity”O. m
Resistance per meter(O/m) Length per kg.(m/kg) Weight per meter(kg/m) Resistance per meter(O/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
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
0.19 0.0284 5.97 51.1 4968 0.000201 54.0 4968 0.000201
0.21 0.0346 6.60 41.9 4066 0.000246 44.2 4066 0.000246
0.25 0.0491 7.85 29.5 2870 0.000349 31.2 2870 0.000349
0.27 0.0573 8.48 25.0 2460 0.000407 26.7 2460 0.000407
0.29 0.0661 9.11 22.0 2131 0.000469 23.2 2132 0.000469
0.31 0.0755 9.74 19.2 1866 0.000536 20.3 1866 0.000536
0.35 0.0962 11.00 15.1 1464 0.000683 15.9 1464 0.000683
0.40 0.1257 12.57 11.54 1121 0.000892 12.19 1121 0.000892
0.45 0.1590 14.14 9.12 886 0.001129 9.62 886 0.001129
0.50 0.1963 15.71 7.38 717 0.001394 7.79 717 0.001394
0.60 0.283 18.85 5.13 498 0.00201 5.41 498 0.00201
0.70 0.385 22.0 3.77 366 0.00273 3.98 366 0.00273
0.80 0.503 25.1 2.88 280 0.00357 3.04 280 0.00357
0.90 0.636 28.3 2.28 221 0.00452 2.41 221 0.00452
1.00 0.785 31.4 1.85 179.5 0.00557 1.95 179.5 0.00557
1.20 1.131 37.7 1.282 124.5 0.00803 1.35 124.5 0.00803
1.40 1.539 44.0 0.942 91.5 0.01093 0.994 91.5 0.01093
1.60 3.01 50.3 0.721 70.1 0.01427 0.761 70.1 0.01427
1.80 2.54 56.5 0.570 55.5 0.01803 0.601 55.5 0.01803
2.00 3.14 62.8 0.462 44.8 0.0229 0.487 44.8 0.0229
2.20 3.80 69.1 0.381 37.0 0.0270 0.402 37.0 0.0270
2.50 4.91 78.5 0.295 28.7 0.0349 0.312 28.7 0.0349
2.80 6.16 88.0 0.235 22.9 0.0437 0.248 22.9 0.0437
3.00 7.07 94.2 0.205 19.92 0.052 0.216 19.92 0.052
3.50 9.62 110.0 0.1510 14.64 0.0683 0.159 14.64 0.0683
4.00 12.57 125.7 0.1154 11.21 0.0892 0.1218 11.21 0.0892
4.50 15.90 141.4 0.0912 8.86 0.1129 0.0962 8.86 0.1129
5.00 19.63 157.1 0.0738 7.17 0.1394 0.0779 7.17 0.1394
5.50 23.80 172.8 0.0610 5.92 0.1690 0.0644 5.92 0.1690
6.00 28.30 188.5 0.0513 4.98 0.201 0.0541 4.98 0.201
6.50 33.20 204 0.0437 4.24 0.236 0.0461 4.24 0.236
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.

GET IN TOUCH

Products

Silicon Mica Sheets

We have lauched new high quality of Insulated Silicon Mica Product...

Read more
  • Email
  • Share with us

  • Print

Connect with us :