COLD DRAW WIRE DIAMETER TOLERANCEThickness(mm)Tolerance(mm)Width(mm)Tolerance(mm)Cut edgeNot cut edge0.10-0.18±0.016.0-10-0.4-0.6＞0.18-0.30±0.015＞10-15-0.7＞0.30-0.50±0.02＞15-20-1.0＞0.50-0.70+0.20 -0.030＞20-30-1.2＞0.70-1.00±0.03＞30-40-0.7-1.3＞1.0-1.2+0.30 -0.040＞40-60±1.0＞1.2-1.6±0.0
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0Cr21Al6
DETAIL
Fe-Cr-Al alloy wires posses the characteristics of high resistance.Low temperature coefficient of resistance. High working temperature and good corrosion resistance under high temperature. This kind alloy wires with low price are widely used in vitriol and sulfide environment and producing industrial electric furnace, household electrical appliance and far infrared ray device.
MAIN TECHNICAL CHAREACTERISTICS OF RE-CR-AL ELECTRIC RESISTANCE ALLOY (GB/T1234-2012)
FECRAL ELECTRIC RESISRTANCE WIRE TECHNICAL SHEET
Diameter | Section area | Surface area per meter | 0Cr25Al5 | 0Cr23Al5 | ||||
Resistivity | Resistivity | |||||||
μΩ▪m 1.42±0.07 | μΩ▪m 1.35±0.06 | |||||||
20℃ | Length per kilogram | Weight per meter | 20℃ | Length per kilogram | Weight per meter | |||
Ω/m | Ω/m | |||||||
0.1 | 0.0078 | 3.14 | 180.6 | 17933 | 0.0000558 | 173.1 | 17683 | 0.0000566 |
0.12 | 0.0113 | 3.77 | 125.6 | 12453 | 0.0000803 | 119.5 | 12206 | 0.0000819 |
0.15 | 0.0177 | 4.71 | 80.4 | 7970 | 0.000125 | 76.4 | 7793 | 0.000128 |
0.17 | 0.0227 | 5.34 | 62.6 | 6205 | 0.000161 | 59.5 | 6076 | 0.000165 |
0.19 | 0.0284 | 5.97 | 50.1 | 4959 | 0.000201 | 47.5 | 4854 | 0.00206 |
0.21 | 0.0346 | 6.6 | 41 | 4066 | 0.000246 | 35.5 | 3986 | 0.000276 |
0.25 | 0.0491 | 7.85 | 28.9 | 2870 | 0.000346 | 27.5 | 2809 | 0.000356 |
0.27 | 0.0573 | 8.48 | 24.8 | 2460 | 0.000407 | 21.9 | 2407 | 0.000447 |
0.29 | 0.0661 | 9.11 | 21.5 | 2132 | 0.000469 | 19.1 | 2087 | 0.000513 |
0.31 | 0.0755 | 9.74 | 18.8 | 1866 | 0.000536 | 16.8 | 1827 | 0.000583 |
0.35 | 0.0962 | 11 | 14.8 | 1464 | 0.000683 | 14 | 1434 | 0.000697 |
0.4 | 0.1257 | 12.57 | 11.3 | 1121 | 0.000892 | 10.7 | 1097 | 0.000911 |
0.45 | 0.159 | 14.14 | 8.93 | 886 | 0.001129 | 8.49 | 867 | 0.00115 |
0.5 | 0.1963 | 15.71 | 7.23 | 717 | 0.001394 | 6.88 | 703 | 0.00142 |
0.6 | 0.283 | 18.85 | 5.02 | 498 | 0.00201 | 4.77 | 496 | 0.00205 |
0.7 | 0.385 | 22 | 3.69 | 366 | 0.00273 | 3.51 | 358 | 0.00279 |
0.8 | 0.503 | 25.1 | 2.83 | 280 | 0.00357 | 2.69 | 274 | 0.00365 |
0.9 | 0.636 | 28.3 | 2.23 | 221 | 0.00452 | 2.12 | 217 | 0.00461 |
1. | 0.785 | 31.4 | 1.808 | 179.5 | 0.00557 | 1.72 | 176 | 0.00569 |
1.2 | 1.131 | 37.7 | 1.256 | 124.5 | 0.00803 | 1.194 | 122 | 0.0082 |
1.4 | 1.539 | 44 | 0.922 | 91.5 | 0.01093 | 0.87 | 89.6 | 0.01116 |
1.6 | 3.01 | 50.3 | 0.706 | 70.1 | 0.01427 | 0.672 | 68.6 | 0.01457 |
1.8 | 2.54 | 56.5 | 0.558 | 55.5 | 0.01803 | 0.532 | 54.3 | 0.01842 |
2 | 3.14 | 62.8 | 0.452 | 44.8 | 0.0223 | 0.43 | 43.9 | 0.02277 |
2.2 | 3.8 | 69.1 | 0.374 | 37 | 0.027 | 0.355 | 36.3 | 0.02755 |
2.5 | 4.91 | 78.5 | 0.289 | 28.7 | 0.0349 | 0.275 | 28.1 | 0.03849 |
2.8 | 6.16 | 88 | 0.231 | 22.9 | 0.0437 | 0.219 | 22.4 | 0.04466 |
3 | 7.07 | 94.2 | 0.201 | 19.92 | 0.0502 | 0.191 | 19.5 | 0.05126 |
3.5 | 9.62 | 110 | 0.1476 | 14.64 | 0.0683 | 0.14 | 14.3 | 0.06975 |
4 | 12.57 | 125.7 | 0.113 | 11.21 | 0.0892 | 0.107 | 11 | 0.09113 |
4.5 | 15.9 | 141.4 | 0.0893 | 8.86 | 0.1129 | 0.0849 | 8.67 | 0.1153 |
5 | 19.63 | 157.1 | 0.0723 | 7.17 | 0.1394 | 0.0688 | 7.03 | 0.1423 |
5.5 | 23.8 | 172.8 | 0.0598 | 5.92 | 0.169 | 0.0568 | 5.8 | 0.1726 |
6 | 28.3 | 188.5 | 0.0502 | 4.98 | 0.201 | 0.0477 | 4.88 | 0.2052 |
6.5 | 33.2 | 204 | 0.0428 | 4.24 | 0.236 | 0.0407 | 4.15 | 0.2407 |
7 | 38.5 | 220 | 0.0369 | 3.66 | 0.273 | 0.0351 | 3.58 | 0.2791 |
ELECTROTHERMAL ALLOYY SIZE DEVIATION STANDARD RANGE
COLD DRAW WIRE DIAMETER TOLERANCE
Diameter(mm) | Tolerance(mm) |
0.03-0.05 | ±0.004 |
＞0.05-0.10 | ±0.006 |
＞0.10-0.20 | ±0.008 |
＞0.20-0.30 | ±0.010 |
＞0.30-0.50 | ±0.015 |
＞0.50-1.00 | ±0.02 -0.03 |
＞1.00-3.00 | +0.02 -0.03 |
＞3.00-5.50 | ±0.03 |
＞5.50-7.50 | ±0.04 |
＞7.50 | ±0.05 |
FLAT WIRE SIZE TILERANCE
Diameter(mm) | Tolerance(mm) |
0.05-0.10 | ±0.010 |
＞0.10-0.20 | ±0.015 |
＞0.20-0.30 | ±0.020 |
＞0.30-0.50 | +0.020 -0.030 |
＞0.50-0.70 | ±0.030 |
＞0.70-1.00 | +0.030 -0.040 |
≤1.0 | ±0.08 |
＞1.0-1.5 | ±0.10 |
＞1.5-2.0 | ±0.12 |
＞2.0-3.0 | ±0.18 |
＞3.0-4.0 | ±0.20 |
＞4.0-5.0 | ±0.25 |
STRIP SIZE TOLERANCE
Thickness(mm) | Tolerance(mm) | Width(mm) | Tolerance(mm) | |
Cut edge | Not cut edge | |||
0.10-0.18 | ±0.01 | 6.0-10 | -0.4 | -0.6 |
＞0.18-0.30 | ±0.015 | ＞10-15 | -0.7 | |
＞0.30-0.50 | ±0.02 | ＞15-20 | -1.0 | |
＞0.50-0.70 | +0.20 -0.030 | ＞20-30 | -1.2 | |
＞0.70-1.00 | ±0.03 | ＞30-40 | -0.7 | -1.3 |
＞1.0-1.2 | +0.30 -0.040 | ＞40-60 | ±1.0 | |
＞1.2-1.6 | ±0.04 | |||
＞1.6-2.2 | ±0.05 | |||
＞2.2-2.5 | ±0.07 | |||