
Nichrome Wear Resistance Electric Heating Alloy Foil/ Strip for Band Heater
In the nickel chromium alloys the chromium is easily soluble in the nickel. The solubility is highest at 47% concentration at the eutectic temperature and lowers at 30% at the normal room temperature. The group of industrial nichrome alloys is based on firm solution of nickel chromium metals. This nichrome alloy offers large resistance to oxidation conditions at the high temperature as well as it as appreciable wear resistance.
With the inclusion of little concentration of chromium in the Nickel the alloy's potency to oxidation is improved. The reason is that the dispersion rate of oxygen has been improved.This process alters after the addition grades increased by 7% chromium and improves to increased level by 30%. Beyond this grade, minor changes occur.
The oxidation resistance of nichrome heating wire to the production of extensively adherent secured level. The adherent and coherent level can further be enhanced with the inclusion of little concentrations of other materials like zirconium, silicon, cerium, calcium and more. The level produced is the combination of nickel and chrome oxides. These add up to produce nickel chromite that possesses spinal shape.
Significant improvement in the resistance of nichrome heating wire is noticed with the chromium addition such that 20% chromium is said to be the suitable material amount for resistance in the electrical equipments. Such combination provides excellent electrical features with fine potency and ductility that the material suitable for drawing.
Diameter (mm) | Ω /m | Section Area per meter ohm(cm2/Ω ) at 20Ω. | Weight per meter(g/m). | Surface Area per meter (cm2/m). | Section area (mm2) |
10.00 | 0.0185 | 17000 | 558 | 314 | 78,5 |
9.50 | 0.0205 | 14600 | 503 | 298 | 70.9 |
9.00 | 0.0228 | 12400 | 452 | 283 | 63.6 |
8.50 | 0.0256 | 10500 | 403 | 267 | 56.7 |
8.00 | 0.0288 | 8710 | 357 | 251 | 50.3 |
7.50 | 0.0328 | 7180 | 314 | 236 | 44.2 |
7.00 | 0.0377 | 5840 | 273 | 220 | 38.5 |
6.50 | 0.0437 | 4670 | 236 | 204 | 33.2 |
6.00 | 0.0513 | 3680 | 201 | 188 | 28.3 |
5.50. | 0.061 | 2830 | 169 | 173 | 23.8 |
5.00 | 0.0738 | 2130 | 139 | 157 | 19.6 |
4.80 | 0.0801 | 1880 | 128 | 151 | 18.1 |
4.50 | 0.0912 | 1550 | 113 | 141 | 15.9 |
4.20 | 0,105 | 1260 | 98.4 | 132 | 13.9 |
4.00 | 0,115 | 1090 | 89,2 | 126 | 12.6 |
3.80 | 0.128 | 934 | 80.5 | 119 | 11.3 |
3.50 | 0,151 | 730 | 68.3 | 110 | 9.62 |
3.20 | 0,180 | 558 | 57.1 | 101 | 8.04 |
3.00 | 0.205 | 459 | 50.2 | 94.2 | 7.07 |
2.80 | |||||
2.50 | 0,295 | 266 | 34.9 | El 78,5 | 4.91 |
2.20 | 0.381 | 181 | 27 | 69.1 | 3.80 |
2.00 | 0.462 | 136 | 22.3 | 62.8 | 3.14 |
1.90 | 0.511 | 117 | 20.1 | 59.7 | 2.84 |
1.80 | 0.570 | 99.2 | 18.1 | 56.5 | 2.54 |
1.70 | 0.639 | 83.6 | 16.1 | 53.4 | 2.27 |
1.60 | 0.721 | El 69,7 | 14.3 | 50.3 | 2.01 |
1.50 | 0,821 | 57.4 | 12.5 | 47.1 | 1.77 |
1.40 | 0.942 | 46.7 | 10.9 | 44.0 | 1.54 |
1.30 | 1.09 | 37.4 | 9.42 | 40.8 | 1.33 |
1.20 | 1.28 | 29.4 | 8.03 | 37.7 | 1.13 |
1.10 | 1.53 | 22.6 | 6.75 | 34.6 | 0.95 |
1.00 | 1.85 | 17 | 5.58 | 31.4 | 0,785 |
0.95 | 2.05 | 14.6 | 5.03 | 29.8 | 0,709" |
0.90 | 2.28 | 12.4 | 4.52 | 28.3 | 0.636 |
0.85 | 2.56 | 10.5 | 4.03 | 26.7 | 0,567 |
0.80 | 2.88 | 8,71 | 3.57 | 25.1 | 0.503 |
0.75 | 3.28 | 7.18 | 3.14 | 23.6 | 0,442 |
0.70 | 3.77 | 5.84 | 2.73 | 22.0 | 0.385 |
0.65 | 4.37 | 4.67 | 2.36 | 20.4 | 0.332 |
0.60 | 5.13 | 3.68 | 2.01 | 18.8 | 0.283 |
0.55 | 6.1. | 2,83 | 1.69 | 17.3 | 0.238 |
0.50 | 7.38 | 2.13 | 1.39 | 15.7 | 0.196 |
0.48 | 8.01 | 1.88 | 1.28 | 15.1. | 0.181 |
0.45 | 9.12 | 1.55 | 1.13 | 14.1. | 0.159 |
0,42 | 10.5 | 1.26 | 0.984 | 13.2 | 0.139 |
0.40 | 11.5 | 1.09 | 0.892 | 12.6 | 0.126 |
0.38 | 12.8 | 0.934 | 0.805 | 11.9 | 0.113 |
0.35 | 15.1. | 0.73 | 0.683 | 11.0 | 0.0962 |
0.32 | 18 | 0.558 | 0.571 | 10.1. | 0.0804 |
0.30 | 20.5 | 0.459 | 0.502 | 9.42 | 0.0707 |
0.28 | 23.5 | 0,374 | 0,437 | 8.8 | 0.0616 |
0.26 | 27.3 | 0.299 | 0.377 | 8.17 | 0.0531 |
0.25 | 29.5 | 0,266 | 0.349 | 7.85 | 0.0491 |
0.24 | 32.1 | 0,235 | 0.321 | 7.54 | 0.0452 |
0.23 | 34.9 | 0.207 | 0,295 | 7.23 | 0.0415 |
0.22 | 38.1 | 0.181 | 0.27 | 6,91 | 0,038 |
0.21 | El 41,9 | 0.158 | 0,246 | 6.6 | 0.0346 |
0.20 | 46.2 | 0,136 | 0.223 | 6.28 | 0.0314 |
0.19 | 51.1 | 0.117 | 0.201 | 5.97 | 0.0284 |
0.18 | 57 | 0.0992 | 0.181 | 5.65 | 0.0254 |
0.17 | El 63,9 | 0.0836 | 0.161 | 5.34 | 0.0227 |
0.16 | 72,1 | 0.0697 | 0,143 | 5.03 | 0.0201 |
0.15 | 82.1 | 0.0574 | 0,125 | 4,71 | 0.0177 |
0.14 | 94.2 | 0.0467 | 0.109 | 4.40 | 0.0154 |
0.13 | 109 | 0.0374 | 0.0942 | 4.08 | 0.0133 |
0.12 | 128 | 0.0294 | 0.0803 | 3.77 | 0.0113 |
0.11 | 153 | 0.0226 | 0.0675 | 3.46 | 0.0095 |
0.10 | 185 | 0,017 | 0.0558 | 3.14 | 0.00785 |
0.09 | 228 | 0.0124 | 0.0452 | 2,83 | 0.0636 |
0.08 | 288 | 0.00871 | 0.0357 | 2.51 | 0.00503 |
0.07 | 377 | 0.00584 | 0.0273 | 2.20 | 0.00385 |
0.06 | 513 | 0.00368 | 0.0201 | 1.88 | 0.00283 |
0.05 | 738 | 0.00213 | 0.0139 | 1.57 | 0.001 |
The commercial levels consist of Nichrome and Brightray. The little upgradation for this composition can be made to improve the wire for certain operations. With the inclusion of suitable reactive alloy metals an alteration in the properties is certain. The performance conditions of nichrome alloy wire are extremely influenced by its composition.
However the concentration alternations have minor impact on mechanical features, large concentration of reactive metals causes to avoid the flaking of scale while periodic heating and cooling.
The nichrome wire with binary expression of 90/10 is used for heating operations and it has highest performance temperature of 1100 degree Celsius. Moreover nichrome heating wire is also used in thermocouples.The combination of nickel and chromium in 90:10 ratio is more preferred for thermocoupling as compare to 95:5 nickel chromium addition.
Shanghai Tankii Alloy Material Co.,Ltd
Shanghai Tankii Alloy Material Co., Ltd.specialized in production of Resistance Heating Alloy, Nickel Chromium Alloy, Iron Chromium Aluminum Alloy, Nickel Aluminum Alloy, Manganin, Copper Nickel Alloy, thermocouple wire, pure nickel and other precision alloy materials in the form of round wire, ribbon wire, sheet, tape, strip, rod and plate.
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We own a complete set of advanced production flow of refining, cold reduction, drawing and heat treating etc. We also proudly have independent R&D capacity.
Shanghai Tankii Alloy Material Co., Ltd has accumulated lots of experiences over forty years in this field. During forty years, hundreds of management elites and high science and technology talents were employed.They participated in every walk of the company life, which make our company keep blooming and invincible in the competitive market.
Based on the principle of “first quality, sincere service”, our managing ideology is pursuing technology innovation and creating the top brand in the alloy field. We persist in Quality - the foundation of the survival. It is our forever ideology to serve you with full heart and soul. We committed to provide customers all over the world with high-quality, competitive products and perfect service.
Our products, such us nichrome wire, nichrome strip, fecral wire, fecral strip, thermocouple wire, nickel wire, nickel strip have been exported to Europe, USA, India, Southest Asia, South America,etc.
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