KAF spring electric furnace wire in high resistivity
Our company mainly produces high-temperature heating strip with low impurities, high purity, good surface oxidation resistance, stable resistivity, corrosion resistance, good processing performance and high temperature strength and weldability. The products can be directly processed into winding, Z-shaped, spiral, etc., and widely used in metal smelting, mechanical manufacturing, industrial electric furnaces, small electric furnaces, muffle furnaces, household appliances, transportation and other industries to produce heating elements and resistance components. Our product specifications are complete in advanced technology and guaranteed quality. Welcome new and old customers to order!
Product parameters:
1. The temperature resistance of nickel-chrome electric furnace wire is 1250 ºC, and the temperature resistance of iron-chromium-aluminum electric furnace wire is 1400 ºC;
2. The surface color is bright, black, and the primary color is green, such as nickel-chromium alloy;
3. The surface load of the furnace wire should be less than 1.5w / cm2.
When Inquiry, pls inform us below sizes
1. d1: wire diameter
2. D1: coil outer diameter
3. S1: distance from middle to middle of two coil
4. L1: heating length
5. Voltage and wattage, or resistance
| Alloy material | Chemical composition % |
| C | P | S | Mn | Si | Cr | Ni | Al | Fe | others |
| max(≤) |
| 1Cr13Al4 | 0.12 | 0.025 | 0.025 | 0.7 | ≤1.00 | 12.5-15.0 | - | 3.5-4.5 | Rest | - |
| 0Cr15Al5 | 0.12 | 0.025 | 0.025 | 0.7 | ≤1.00 | 14.5-15.5 | - | 4.5-5.3 | Rest | - |
| 0Cr25Al5 | 0.06 | 0.025 | 0.025 | 0.7 | ≤0.60 | 23.0-26.0 | ≤0.60 | 4.5-6.5 | Rest | - |
| 0Cr23Al5 | 0.06 | 0.025 | 0.025 | 0.7 | ≤0.60 | 20.5-23.5 | ≤0.60 | 4.2-5.3 | Rest | - |
| 0Cr21Al6 | 0.06 | 0.025 | 0.025 | 0.7 | ≤1.00 | 19.0-22.0 | ≤0.60 | 5.0-7.0 | Rest | - |
| 0Cr19Al3 | 0.06 | 0.025 | 0.025 | 0.7 | ≤1.00 | 18.0-21.0 | ≤0.60 | 3.0-4.2 | Rest | - |
| 0Cr21Al6Nb | 0.05 | 0.025 | 0.025 | 0.7 | ≤0.60 | 21.0-23.0 | ≤0.60 | 5.0-7.0 | Rest | Nb add0.5 |
| 0Cr27Al7Mo2 | 0.05 | 0.025 | 0.025 | 0.2 | ≤0.40 | 26.5-27.8 | ≤0.60 | 6.0-7.0 | Rest | |
Main technical characteristics of FeCrAl Alloy:
| Brand Property | 1Cr13Al4 | 1Cr21Al4 | 0Cr21Al6 | 0Cr23Al5 | 0Cr25Al5 | 0Cr21Al6Nb | 0Cr27Al7Mo2 |
| Major chemical component% | Cr | 12.0-12.5 | 17.0-21.0 | 19.0-22.0 | 20.5-23.5 | 23.0-26.0 | 21.0-23.0 | 26.5-27.8 |
| Al | 4.0-6.0 | 2.0-4.0 | 5.0-7.0 | 4.2-5.3 | 4.5-6.5 | 5.0-7.0 | 6.0-7.0 |
| Fe | Balance | Balance | Balance | Balance | Balance | Balance | Balance |
| Re | Appropriate | Appropriate | Appropriate | Appropriate | Appropriate | Appropriate | Appropriate |
| | | | | | | Addition Nb:0.5 | Addition Mo:1.8-2.2 |
| Component max. use temperature | 950 | 1100 | 1250 | 1250 | 1250 | 1350 | 1400 |
| Melting Point | 1450 | 1500 | 1500 | 1500 | 1500 | 1510 | 1510 |
| Density g/cm3 | 7.40 | 7.35 | 7.16 | 7.25 | 7.10 | 7.10 | 7.10 |
| Resistivity μΩ·m,20 | 1.25±0.08 | 1.23±0.06 | 1.42±0.07 | 1.35±0.06 | 1.45±0.07 | 1.45±0.07 | 1.53±0.07 |
| Tensile Strength Mpa | 588-735 | 637-784 | 637-784 | 637-784 | 637-784 | 637-784 | 684-784 |
| Extension rate% | 16 | 12 | 12 | | 12 | 12 | 10 |
| Repeated bending frequency | | | 5 | 5 | 5 | 5 | 5 |
| Fast lift h/ | - | | | 80/1300 | 80/1300 | | 50/1350 |
| Specific Heat J/g. | 0.490 | 0.490 | 0.520 | 0.460 | 0.494 | 0.494 | 0.494 |
| Heat Conduction Coefficient KJ/M.h | 52.7 | 46.9 | 63.2 | 60.1 | 46.1 | 46.1 | 45.2 |
| Linear expansion coefficient aX10-6/ (20-1000) | 15.4 | 13.5 | 14.7 | 15.0 | 16.0 | 16.0 | 16.0 |
| Hardness HB | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 |
| Microstructure | Ferritic | Ferritic | Ferritic | Ferritic | Ferritic | Ferritic | Ferritic |
| Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic |
