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Jiangsu
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2019-12-22 02:51
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Company Profile
Danyang HB Special Alloy Co., LtdBy certification [File Integrity]
Contact:dyxican(Mr.)
Email:
Telephone:
Phone:
Area:Jiangsu
Address:Jiangsu
Website:http://www.alloymanufacture.com/ http://dyxican.golden-sunxj.com/
Nichrome 40 Resistance Alloy Wir/Strip
Nichrome 40 is an austenitic nickel-chromium alloy (NiCr alloy) for use at temperatures up to 1100℃. The alloy is characterized by high resistivity and good oxidation resistance. It has good ductility after use and excellent weldability.
* Similar grade
Trademarks |
GB |
JIS |
ASTM |
UNS |
DIN |
W.Nr |
GOST |
Kanthal |
STABLOHM 610 |
Cr20Ni35 |
NCHW3 NCHRW3 |
35Ni-20Cr |
- |
- |
- |
- |
Nikrothal 40 |
* Specification
GB/T 1234-1995 (CN); JIS C2520-199(JP); ASTM B344-01(USA); DIN 17470-1984(GER); GOST 10994 & GOST 12766/1-1990 (RU)
* Product form
Wire, Mesh, Conveyor belt, Ribbon, Strip, Rod, Sheet, Tube, Radiant tube heater
* Chemical composition, %
C |
P |
S |
Mn |
Si |
Cr |
Ni |
Al |
Fe |
≤0.08 |
≤0.02 |
≤0.015 |
≤1.0 |
1.0~3.0 |
18.0~21.0 |
34.0~37.0 |
- |
Bal |
* Mechanical property (Annealed)
Tensile strength, Rm/MPa |
Elongation, A/% |
|
Dia. >3.00mm (for wire) |
Dia. 0.10~3.00mm (for wire) and Th. >0.20 (for strip) |
|
≥600 |
≥25 |
≥20 |
* Physical property
Max working temperature, ℃ |
Melting point, ℃ |
Density, g/cm3 |
Resistivity, μΩ·m, 20℃ |
Specific heat, J/g·℃ |
Thermal conductivity, KJ/m·h·℃ |
Average coefficient of linear expansion, α×10-6/℃ (20~1000℃) |
Micrographic structure |
Magnetic properties |
1100 |
1390 |
7.90 |
1.04 |
0.500 |
43.8 |
19.0 |
Austenitie |
Weak-Magnetic |
* Life test
Test temperature, ℃ |
Continuous service time Hours, ℃ |
1100 |
≥80 |
* Temperature factor of resistivity
20℃ |
100℃ |
200℃ |
300℃ |
400℃ |
500℃ |
600℃ |
700℃ |
800℃ |
900℃ |
1000℃ |
1100℃ |
1200℃ |
1300℃ |
1.000 |
1.029 |
1.061 |
1.090 |
1.115 |
1.139 |
1.157 |
1.173 |
1.188 |
1.208 |
1.219 |
1.228 |
- |
- |
* Feature
Nichrome 40 is characterized by high resistivity, good oxidation resistance and very good form stability. It has good ductility after use and excellent weldability.
* Application
Typical applications include night-storage heaters, convection heaters, heavy-duty rheostats and fan heaters. It is also used in heating cables and rope heaters in defrosting and de-icing elements, electric blankets and pads, car seats, baseboard heaters, floor heaters, resistors, etc. This Nickel-Chrome-Iron alloy has been widely used for furnace elements in the critical temperature range between 816℃ and 982℃ in atmospheres where preferential oxidation of chromium takes place - the “Green Rot” range. Nichrome 40 is also widely used as electric heating element material in domestic appliances and other electric heating equipment at operating temperatures up to 1100℃. It has good ductility after use, good corrosion resistance except in sulfur containing atmospheres and certain controlled atmospheres and excellent weldability.
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