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Cr20Ni80 Nichrome Alloy Wire for Heating Elements.
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Product Details
| Place of Origin | Jiangsu, China | Brand Name | Chonray | |
| Model Number | Cr20Ni80 | Application | Used in the high temperatures electric furnaces, | |
| Shape | Cr20Ni80 wire/strip/coil/rod,etc | Material | prime raw material | |
| Dimensions | Cr20Ni80 Nichrome Alloy Wire, Customized | Chemical Composition | NiCr | 
Product Description
1.The picture of Cr20Ni80 Nichrome Alloy Wire .
Wire subdivides by purpose:
· for heating elements;
· for tubular heaters;
· for resistors
Fields of application
Used in the high temperatures electric furnaces,annealing and drying furnaces, different electric heating appliances.Used for producing tube electro heatings and household appliances. Having high creep resistance, ductility, stability of the form and increased term of exploitation.
Technical information
Cold drawn wire is produced from the alloy grade Cr20Ni80 in soft heat treated position diameter 0.1&7.5 mm according to the standard GOST 12766.1&90.Chemical composition of Cr20Ni80 alloy should be according to GOST 10994 74.Physical and mechanical properties of Cr20Ni80 alloy are indicated in the table.
Advantages
· High temperature of exploitation (1200°c) and corrosion resistance in the air, vacuum, oxide, sulfur,nitric mediums, argon, ammonia, humid air.
· News: working temperature of "Ni Cr 80 20 +" is1500°c, guarantee 10000 hours. Spiral coiling production. We produce spiral coiling"in cool", without heating, from diameter0,17,5 mm, higher than 7,5 mm spiral coiling is produced "in hot". 
3. Main grades and properties
| Grade | Standard | Chemical composition.% | ||||||||
| C | Si | Mn | Cr | Ni | S | P | Cu | Remark | ||
| Cr20Ni80 | GBT/1234-95 | ≤0.100 | 0.8-1.5 | ≤0.70 | 20-23 | Bal | ≤0.020 | ≤0.030 | Ti≤0.30 Al≤0.20 Fe≤1.00  | |
| Physical and mechanical properties of Cr20Ni80 alloy are indicated in the table | ||||||||||
| Physical and mechanical properties: | ||||||||||
| Density,gram/cm3 | 8.4 | |||||||||
| Melting point. 0C | 1400 | |||||||||
| Structure | austenitic | |||||||||
| Magnetization | Non-magnetic | |||||||||
| Hardness, HB | 140-150 | |||||||||
| Temperature coefficient of linear growth, k-1 in the range 20-10000C | 18*10-6 | |||||||||
| Thermal diffusivity, 10-5m2/s At 250C >4000C >8000C  |   0.31 0.44 0.56  | |||||||||
| Specific heat, J/kg*K At 250C >8000C  |   0.44  | |||||||||
| Elongation, % not less | 20 | |||||||||
| Short term resistance of tensile strength, N/mm2(kg F/mm2), not more | 880(90) | |||||||||
| Specific electric resistance, µΩ/m at 200C | 1.05-1.14 | |||||||||
 Size:
Hot-rolled bar: Φ 8~38mm
Cold-drawn bar: ≤ 50mm
Forging bar: Φ 38~350mm
Wire: Φ 0.1mm~18mm
Cold-rolled strip: 0.15~4× 200mm
Hot-rolled strip: 4~22× 200mm
Cold-rolled sheet: 0.5~4× 1000× 2000mm
Hot-rolled sheet: 4~22× 1000× 2000mm
Feel free to send inquiry, and you will get a quick reply. Look forward to cooperating with any willing purchaser. 
4. More products for you to choose.

Shanghai Chonray Precision Alloy Co.,Ltd. was founded in Shanghai in Year 2000 with two major business sectors. One sector is that we have a manufacturing base in shanghai, which is professsional in highly engineered as well as standard electric heating elements, and optimized electric heating element solutions for industrial furnaces. Based on 15 years experience in electric heating elements, we have provided products and solutions to many well-known companies all through
the world including Ipsen,Aichelin Induatrial Furances, IMPC, Bao Steel, Huisen, Faw-Volkwagen, ZPMC, China Guodian, Fuyao Group, MCC and so on.
The second sector is that we have another manufacturing base in Jiangsu Province specialized in research and production of high resistance alloys,high-temperature alloys,corrosion resistant alloys, precision alloys, and welding alloys. We provide the alloys in form of rods,plates,strips,tubes,wires and various precision castings of more than 1,000 specifications in accordance with international standards or national standards by forging, rolling, drawing, casting and other processing methods. Based on 23 years industry experience, the alloy factory in Jiangsu Province has become the biggest manufacturer among the local private companies in the special alloy industry , which enables us to establish long -term and strategic cooperation with many big companies abroad and at home.
Carrying ISO9001:2008 and ISO14001 Certificates , our company ensures the quality control with the help of advanced testing and analysis equipment to inspect product composition, structure,performance and defects. Chonray professional team is fully qualified to satisfy your sales, engineering and logistics requirements. We are well positioned to meet the world increaseing demands for different precision alloys as well as the electric heating elements for industrial furnaces . We are confident to offer high quality products at competitive pricing backed by years of industrial experience.
Production line
Testing equipment
Certification
Packing picture:
Our market
Our advantages and services
a. Our advantage
We can provide high quality materials, excellent design, precise manufacturing,complete specifications, considerate and integrity serivices.
We can provide over 100 grades of special alloys with 1000+ specifications and all kinds of electric heating elements for industrial furnaces , including customized products.
We can provide a complete solution for you.
OEM service can be provided.
b. Technical services we can provide:
Product selection
Process optimization
New product development
Contact information:

Contact Us
                - Shanghai Chonray Precision Alloy Co., Ltd.
 - Contact nameJohn Chen Chat Now
 - Phone86-21-59920889
 - AddressNo. 1395, Lixue Road
 
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