
CuNi alloy wire is typically used in heating cables, fuses,
resistors and various types of controllers.
As a big manufacturer and exporter in China on the line of electric
resistance alloy, we can supply all kinds of electric resistance
alloy wire and strips (resistance steel wire and strips weiding
wire)
Chemical composition and main properties
Chemical Composition and Main Property of Cu-Ni Low Resistance Alloy | ||||||||
PropertiesGrade | CuNi1 | CuNi2 | CuNi6 | CuNi8 | CuMn3 | CuNi10 | ||
Main Chemical Composition | Ni | 1 | 2 | 6 | 8 | _ | 10 | |
Mn | _ | _ | _ | _ | 3 | _ | ||
Cu | Bal | Bal | Bal | Bal | Bal | Bal | ||
Max Continuous Service Temperature(º C) | 200 | 200 | 200 | 250 | 200 | 250 | ||
Resisivity at 2º C (Ω mm2/m) | 0.03 | 0.05 | 0.1 | 0.12 | 0.12 | 0.15 | ||
Density(g/cm3) | 8.9 | 8.9 | 8.9 | 8.9 | 8.8 | 8.9 | ||
Thermal Conductivity(α × 10-6º C) | < 100 | < 120 | < 60 | < 57 | < 38 | < 50 | ||
Tensile Strength(Mpa) | ≥ 210 | ≥ 220 | ≥ 250 | ≥ 270 | ≥ 290 | ≥ 290 | ||
EMF vs Cu(μ Vº C)(0~10º C) | -8 | -12 | -12 | -22 | _ | -25 | ||
Approximate Melting Point(º C) | 1085 | 1090 | 1095 | 1097 | 1050 | 1100 | ||
Micrographic Structure | austenite | austenite | austenite | austenite | austenite | austenite | ||
Magnetic Property | non | non | non | non | non | non | ||
PropertiesGrade | CuNi14 | CuNi19 | CuNi23 | CuNi30 | CuNi34 | CuNi44 | ||
Main Chemical Composition | Ni | 14 | 19 | 23 | 30 | 34 | 44 | |
Mn | 0.3 | 0.5 | 0.5 | 1 | 1 | 1 | ||
Cu | Bal | Bal | Bal | Bal | Bal | Bal | ||
Max Continuous Service Temperatureº C) | 300 | 300 | 300 | 350 | 350 | 400 | ||
Resisivity at 2º C (Ω mm2/m) | 0.2 | 0.25 | 0.3 | 0.35 | 0.4 | 0.49 | ||
Density(g/cm3) | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | ||
Thermal Conductivity(α × 10-6º C) | < 30 | < 25 | < 16 | < 10 | < 0 | < -6 | ||
Tensile Strength(Mpa) | ≥ 310 | ≥ 340 | ≥ 350 | ≥ 400 | ≥ 400 | ≥ 420 | ||
EMF vs Cu(μ Vº C)(0~10º C) | -28 | -32 | -34 | -37 | -39 | -43 | ||
Approximate Melting Point(º C) | 1115 | 1135 | 1150 | 1170 | 1180 | 1280 | ||
Micrographic Structure | austenite | austenite | austenite | austenite | austenite | austenite | ||
Magnetic Property | non | non | non | non | non | non |
Resistance Alloy Sizes / Temper Capabilities
Company Information
WHY CHOOSE SZNK HIGH QUALITY RESISTANCE HEATING ALLOYS?
All our raw material is made from prime material, not recycle material. We have more than 25 years experience in manufacturing resistance heating alloys.
In the market, not all the NiCr alloys are with standard chemical composition and stable resistance. Professional and reliable is the soul of our business.
OUR ALLOYS CHARACTERISTICS:
1. Manufactured according to international quality. System (ISO9001)
2. Stable resistance and long-life span.
3. Mill test certificate will be provided after production.
4. Size range wire:.0.018-10mm ribbons: 0.05-0.2*2-6mm strips: 0.05-5*5-250mm
5. Good packing methods to keep goods no damage during delivery
6. Customized lable, packing, OEM service
7. 24 hours after-sale service
FAQ
Q1.Do you attend exhibition every year?
A .Yes
Q2.Is there any discount of the nickel wire?
A. Yes. Bigger quantity will get lower discount.
Q3.Information needed if I want a quotation?
A Name, Standard, Material Grade(Chemical Composition), Size Quantity, Weight.
Q4. Can we visit your company/factory before place the order?
A. Yes. Welcome anytime
Q5: How does your factory do regarding quality control?
A. Quality is priority. We always attach great importance to quality controlling from beginning to end.
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.
We’ve already got ISO9001 quality system certificate and approval of ISO14001 environmental protection system.
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.
We are willing to establish strong and long-time partnership with our customers