Heating Resistance Wire/China Producer
Nominal Analysis
20.00 Cr, 5.00 Al, Bal. Fe
Max contineous working temperature: 1250 º C.
Melting Temperature: 1500 º C
Electrical Resistivity: 1.4 ohm mm2/m
Has been used extensively as heating elements in industrial furnaces and electrical kilns.
Has less hot strength than Tophet alloys but much higher melting point.
Shanghai TANKII ALLOY MATERIAL Co., Ltd.
MOST PROFESSIONAL ALCHROME AND FECRAL ALLOY PRODUCER IN China
We also produce CrAl 14/4, CrAl 19/3 and other grade resistance wire for industrial demand.
|
Chemical Composition and Main Property of Fe-Cr-Al Resistance Alloy |
|
Properties \ Grade |
1Cr13Al4 |
0Cr25Al5 |
0Cr21Al6 |
0Cr23Al5 |
0Cr21Al4 |
0Cr21Al6Nb |
0Cr27Al7Mo2 |
Main Chemical Composition
(%) |
Cr |
12.0-15.0 |
23.0-26.0 |
19.0-22.0 |
22.5-24.5 |
18.0-21.0 |
21.0-23.0 |
26.5-27.8 |
|
Al |
4.0-6.0 |
4.5-6.5 |
5.0-7.0 |
4.2-5.0 |
3.0-4.2 |
5.0-7.0 |
6.0-7.0 |
|
Re |
opportune |
opportune |
opportune |
opportune |
opportune |
opportune |
opportune |
|
Fe |
Bal. |
Bal. |
Bal. |
Bal. |
Bal. |
Bal. |
Bal. |
|
|
|
|
|
|
Nb0.5 |
Mo1.8-2.2 |
|
Max Continuous Service Temperature(oC) |
950 |
1250 |
1250 |
1250 |
1100 |
1350 |
1400 |
|
Resisivity 20oC (Ω mm2/m) |
1.25
± 0.08 |
1.42
± 0.06 |
1.42
± 0.07 |
1.35
± 0.07 |
1.23
± 0.07 |
1.45
± 0.07 |
1.53
± 0.07 |
|
Density(g/cm3) |
7.4 |
7.1 |
7.16 |
7.25 |
7.35 |
7.1 |
7.1 |
|
Thermal Conductivity |
52.7 |
46.1 |
63.2 |
60.2 |
46.9 |
46.1 |
45.2 |
|
(KJ/m@ h@ oC) |
|
Coefficient of Thermal Expansion(α × 10-6/oC) |
15.4 |
16 |
14.7 |
15 |
13.5 |
16 |
16 |
|
Approximate Melting Point( oC) |
1450 |
1500 |
1500 |
1500 |
1500 |
1510 |
1520 |
|
Tensile Strength(N/mm2) |
580-680 |
630-780 |
630-780 |
630-780 |
600-700 |
650-800 |
680-830 |
|
Elongation(%) |
> 16 |
> 12 |
> 12 |
> 12 |
> 12 |
> 12 |
> 10 |
|
Section Variation |
65-75 |
60-75 |
65-75 |
65-75 |
65-75 |
65-75 |
65-75 |
|
Shrink Rate (%) |
|
Repeatedly Bend Frequency(F/R) |
> 5 |
> 5 |
> 5 |
> 5 |
> 5 |
> 5 |
> 5 |
|
Hardness (H. B. ) |
200-260 |
200-260 |
200-260 |
200-260 |
200-260 |
200-260 |
200-260 |
|
Continuous Service Time |
no |
≥ 80/1300 |
≥ 80/1300 |
≥ 80/1300 |
≥ 80/1250 |
≥ 50/1350 |
≥ 50/1350 |
|
Micrographic Structure |
Ferrite |
Ferrite |
Ferrite |
Ferrite |
Ferrite |
Ferrite |
Ferrite |
|
Magnetic Property |
Magnetic |
Magnetic |
Magnetic |
Magnetic |
Magnetic |
Magnetic |
Magnetic |
|
Shanghai Tankii Alloy Material Co., Ltd. Has been specializing in the production of Resistance Heating Alloy, Nickel Chromium Alloys, FeCrAl Alloys, thermocouple wire, Copper Nickel Alloys, Manganin, pure nickel and other precision alloy materials in the form of round wire, ribbon wire, rod, sheet, tape and strip.
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 nine years in this field. During nine years, more than 60 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 have been exported to Europe, India, South America, United States, Southest Asia, South America, etc. We are willing to establish strong and long-time partnership with our customers.
Shanghai TANKII ALLOY IS THE MOST PROFESSIONAL PRODUCER OF NICKEL CHROMIUM ALLOYS, THERMOCOUPLE WIRE, FECRAL ALLOYS AND COPPER NICKEL ALLOYS IN China.
