Heating Wire/Heating Furnace coil/Wire FeCR21AL4/FeCr23Al5/ FeCr25Al5/FeCr24AL6Re/ FeCr27Al7Mo2 1.0-10.0mm
Resistance Wire made of Nickel Chrome Alloys, Nickel Chrome Iron Alloys, Iron Chrome Aluminium Alloys, Copper Nickel Alloys.
Mainly used in heater, heating element and resistor, etc.
NiCr 80/20, NiCr 70/30, NiCr 60/15, NiCr 35/20
FeCrAl15-5, FeCrAl20-5,FeCrAl 25-5, etc…
Constantan, Alloy 30, Alloy 60, Alloy 90, etc.
Electric Resistivity from 0.02 u ohm/m-1.53 u ohm/m
Operate Temperature from 200 C to 1400 C
Pls be free to contact us if there is any question.
NiCr:
RESISTOHM 20, RESISTOHM 30, RESISTOHM 40, RESISTOHM 60, RESISTOHM 70, RESISTOHM 80
FeCrAl:
RESISTOHM 125, RESISTOHM 135, RESISTOHM 140,
RESISTOHM 145, RESISTOHM 153
CuNi
Constantan, Cuprothal 5, Cuprothal 10, Cuprothal 15, Cuprothal 30, Eurica
| FeCrAl Alloy Grade | Chemical Composition % | |||||||||
| C | P | S | Mn | Si | Cr | Ni | Al | Fe | Re | Others |
| max(≤) | ||||||||||
| 1Cr13Al4 | 0.12 | 0.025 | 0.025 | 0.7 | ≤1.00 | 12.5-15.0 | —- | 3.5-4.5 | 0.1 | Bal. |
| 0Cr15Al5 | 0.12 | 0.025 | 0.025 | 0.7 | ≤1.00 | 14.5-15.5 | —- | 4.5-5.3 | 0.1 | Bal. |
| 0Cr25Al5 | 0.06 | 0.025 | 0.025 | 0.7 | ≤0.60 | 23.0-26.0 | ≤0.60 | 4.5-6.5 | 0.1 | Bal. |
| 0Cr23Al5 | 0.06 | 0.025 | 0.025 | 0.7 | ≤0.60 | 20.5-23.5 | ≤0.60 | 4.2-5.3 | 0.1 | Bal. |
| 0Cr21Al6 | 0.06 | 0.025 | 0.025 | 0.7 | ≤1.00 | 19.0-22.0 | ≤0.60 | 5.0-7.0 | 0.1 | Bal. |
| 0Cr21Al4 | 0.06 | 0.025 | 0.025 | 0.7 | ≤1.00 | 21.0-23.0 | ≤0.60 | 3.0-5.2 | 0.1 | Bal. |
| 0Cr21Al6Nb | 0.05 | 0.025 | 0.025 | 0.7 | ≤0.60 | 21.0-23.0 | ≤0.60 | 5.0-7.0 | 0.1 | Bal. |
| 0Cr27Al7Mo2 | 0.05 | 0.025 | 0.025 | 0.7 | ≤0.40 | 26.5-27.8 | ≤0.60 | 6.0-7.0 | 0.1 | Bal. |
Chemical Composition and Propertes:
| Propertes/Grade | NiCr 80/20 | NiCr 70/30 | NiCr 60/15 | NiCr 35/20 | NiCr 30/20 | |
| Main Chemical Composition(%) |
Ni | Bal. | Bal. | 55.0-61.0 | 34.0-37.0 | 30.0-34.0 |
| Cr | 20.0-23.0 | 28.0-31.0 | 15.0-18.0 | 18.0-21.0 | 18.0-21.0 | |
| Fe | ≤ 1.0 | ≤ 1.0 | Bal. | Bal. | Bal. | |
| Max Working Temperature(ºC) |
1200 | 1250 | 1150 | 1100 | 1100 | |
| Resistivity at 20ºC (μ Ω · m) |
1.09 | 1.18 | 1.12 | 1.04 | 1.04 | |
| Density(g/cm3) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
| Thermal Conductivity
(KJ/m· h· ºC) |
60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
| Coefficient of Thermal Expansion(α × 10-6/ºC) |
18 | 17 | 17 | 19 | 19 | |
| Melting Point(ºC) | 1400 | 1380 | 1390 | 1390 | 1390 | |
| Elongation(%) | > 20 | > 20 | > 20 | > 20 | > 20 | |
| Micrographic Structure | austenite | austenite | austenite | austenite | austenite | |
| Magnetic Property | nonmagnetic | nonmagnetic | nonmagnetic | nonmagnetic | nonmagnetic | |
| CuNi Alloys Grade | Electrical resistivity (20degreeΩ mm² /m) |
temperature coefficient of resistance (10^6/degree) |
Density g/mm² |
Max. temperature (degree) |
Melting point (degree) |
| CuNi1 | 0.03 | < 1000 | 8.9 | 200 | 1085 |
| CuNi2 | 0.05 | < 1200 | 8.9 | 200 | 1090 |
| CuNi6 | 0.10 | < 600 | 8.9 | 220 | 1095 |
| CuNi8 | 0.12 | < 570 | 8.9 | 250 | 1097 |
| CuNi10 | 0.15 | < 500 | 8.9 | 250 | 1100 |
| CuNi14 | 0.20 | < 380 | 8.9 | 300 | 1115 |
| CuNi19 | 0.25 | < 250 | 8.9 | 300 | 1135 |
| CuNi22 | 0.30 | < 160 | 8.9 | 300 | 1150 |
| CuNi30 | 0.35 | < 100 | 8.9 | 350 | 1170 |
| CuNi34 | 0.40 | -0 | 8.9 | 350 | 1180 |
| CuNi40 | 0.48 | ± 40 | 8.9 | 400 | 1280 |
| CuNi44 | 0.50 | < -6 | 8.9 | 400 | 1280 |
