Changzhou Victory Technology Co., Ltd
Changzhou Victory Technology Co., Ltd
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Cr15Ni60 Nickel-Chromium Alloy: 1400°C Key Applications In Aerospace And Industrial Electric Furnaces
NiCr Series
Cr15Ni60 nickel-chromium alloy is a high-performance resistance heating material with excellent high-temperature stability and oxidation resistance. It is widely used in aerospace and industrial electric furnaces. The tensile strength of Cr15Ni60 alloy is 600-750 MPa, the yield strength is 250-450 MPa, and the elongation is ≥25%, showing good mechanical properties.
In the field of aerospace, Cr15Ni60 alloy is used to manufacture key components such as high-temperature sensors and turbine blades. Its high-temperature oxidation resistance and stability provide reliable guarantees for the operation of equipment in extreme environments. In industrial electric furnaces, the alloy is often used to manufacture heating elements such as electric heating tubes and electric heating wires, which can withstand long-term high-temperature work and have a long service life. Its excellent corrosion resistance makes it perform well in complex environments such as chemical equipment and petrochemical industries.
With its high resistivity, stable resistance performance and good processability, Cr15Ni60 alloy has become an ideal material for high-temperature electric heating elements and precision instruments.
Size dimension range:
Wire: 0.01-10mm
Ribbons: 0.05*0.2-2.0*6.0mm
Strip: 0.05*5.0-5.0*250mm
NiCr series: Cr20Ni80, Cr30Ni70, Cr15Ni60, Cr20Ni35, Cr20Ni30
| Performance material | Cr10Ni90 | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 | |
| Composition | Ni | 90 | Rest | Rest | 55.0~61.0 | 34.0~37.0 | 30.0~34.0 |
| Cr | 10 | 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 | Rest | Rest | Rest | ||
| Maximum temperature℃ | 1300 | 1200 | 1250 | 1150 | 1100 | 1100 | |
| Meltiing point ℃ | 1400 | 1400 | 1380 | 1390 | 1390 | 1390 | |
| Density g/cm3 | 8.7 | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
| Resistivity at 20℃((μΩ·m) | 1.09±0.05 | 1.18±0.05 | 1.12±0.05 | 1.00±0.05 | 1.04±0.05 | ||
| Elongation at rupture | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | |
| Specific heat | 0.44 | 0.461 | 0.494 | 0.5 | 0.5 | ||
| J/g.℃ | |||||||
| Thermal conductivity | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | ||
| KJ/m.h℃ | |||||||
| Coefficient of lines expansion | 18 | 17 | 17 | 19 | 19 | ||
| a×10-6/ | |||||||
| (20~1000℃) | |||||||
| Micrographic structure | Austenite | Austenite | Austenite | Austenite | Austenite | ||
| Magnetic properties | Non-magnetic | Non-magnetic | Non-magnetic | Weak magnetic | Weak magnetic | ||
| Micrographic structure | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | |
| Magnetic properties | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | |
| Form | Specification | |
| Wire | Diameter=0.025mm~8mm | |
| Flat wire | Width=0.40~6.0mm | Thick=0.03~0.50mm |
| Strip | width=8~250mm | Thick=0.05~3.0mm |
| Bar | Diameter=8~100mm | Long=50~1000 |
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Electric heating elements:
Cr15Ni60 alloy is widely used in the manufacture of electric heating elements, such as industrial furnaces, heat treatment furnaces, oven heating tubes, etc., due to its excellent high-temperature oxidation resistance and stable resistance characteristics. It is especially suitable for periodic heat treatment furnaces with working temperatures below 900°C.
The alloy is also used for high-grade electric heating tubes and heating wires for household electric heaters.
Aerospace:
Cr15Ni60 alloy can be used to manufacture high-temperature components, such as combustion chambers, nozzles and turbine blades of gas turbine engines, because it can maintain strength and oxidation resistance at high temperatures.
Petrochemical:
In petrochemical equipment, Cr15Ni60 alloy is used to manufacture heating furnaces, heat exchangers and other components, which can operate stably for a long time in high temperature and corrosive environments.
Power industry:
Key components used for power generation equipment, such as boiler pipes and turbine rotors, which require materials with good strength and oxidation resistance at high temperatures.
Q1: What are the main components of Cr15Ni60 alloy wire?
A1: Cr15Ni60 alloy wire is mainly composed of nickel (Ni) and chromium (Cr), with a nickel content of 55.0%~61.0%, a chromium content of 15.0%~18.0%, and the rest is iron and other trace elements.
Q2: What is the maximum operating temperature of Cr15Ni60 alloy wire?
A2: The maximum operating temperature of Cr15Ni60 alloy wire can reach 1150℃.
Q3: What is the resistivity of Cr15Ni60 alloy wire?
A3: The resistivity of Cr15Ni60 alloy wire at 20℃ is 1.12±0.05 μΩ·m.