N7 High Temperature Thermistor Resistance Alloy Bar
China N7 High Temperature Thermistor Resistance Alloy Bar, Find details about China Ni70cr30, High Temperature Thermistor from N7 High Temperature Thermistor Resistance Alloy Bar
Basic Info.
Model NO.
Ni70cr30 Rod
The Highest Use Temperature
1250c
Resisivity
1.18
Density
8.1 g/cm3
OEM
Yes
Sample
Free
Diameter
5-20mm
Length
1000mm
Trademark
Huona
Transport Package
Wooden Cases or Cartons
Specification
5-20mm
Origin
China
HS Code
7506200000
Model NO.
Ni70cr30 Rod
The Highest Use Temperature
1250c
Resisivity
1.18
Density
8.1 g/cm3
OEM
Yes
Sample
Free
Diameter
5-20mm
Length
1000mm
Trademark
Huona
Transport Package
Wooden Cases or Cartons
Specification
5-20mm
Origin
China
HS Code
7506200000
Product Desciption
N7 High Temperature Thermistor Resistance Alloy Bar
Ni70Cr30 is a nickel-chromium alloy (NiCr alloy) characterized by high resistivity, good oxidation resistance and very good form stability. It is suitable for use at temperatures up to 1250°C,and hold a superior service life compared to Iron chromium alumium alloys.Typical applications for Ni70Cr30 are electric heating elements in home appliances,industrial furnaces and resistors(wirewound resistors,metal film resistors), flat irons, ironing machines, water heaters, plastic moulding dies, soldering irons, metal sheathed tubular elements and cartridge elements.
Normal composition%
C | P | S | Mn | Si | Cr | Ni | Al | Fe | Other |
| Max | |||||||||
| 0.03 | 0.02 | 0.015 | 0.60 | 0.75~1.60 | 28.0~31.0 | Bal. | Max 0.50 | Max 1.0 | - |
Typical Physical properties
Density (g/cm3) | 8.1 |
| Electrical resistivity at 20ºC(mm2/m) | 1.18 |
| Coefficient of thermal expansion | |
| Temperature | Coefficient of Thermal Expansion x10-6/ºC |
| 20 ºC- 1000ºC | 17 |
| Specific heat capacity | |
| Temperature | 20ºC |
| J/gK | 0.46 |
| Melting point (ºC) | 1380 |
| Max continuous operating temperature in air (ºC) | 1250 |
| Magnetic properties | non-magnetic |
| Temperature Factors Of Electrical Resistivity | |||||
| 20ºC | 100ºC | 200ºC | 300ºC | 400ºC | 600ºC |
| 1 | 1.006 | 1.012 | 1.018 | 1.025 | 1.018 |
| 700ºC | 800ºC | 900ºC | 1000ºC | 1100ºC | 1300ºC |
| 1.01 | 1.008 | 1.01 | 1.014 | 1.021 | - |
Style of supply
| Alloys Name | Type | Dimension | ||
| Ni70Cr30W | Wire | D=0.03mm~8mm | ||
| Ni70Cr30R | Ribbon | W=0.4~40 | T=0.03~2.9mm | |
| Ni70Cr30S | Strip | W=8~250mm | T=0.1~3.0 | |
| Ni70Cr30F | Foil | W=6~120mm | T=0.003~0.1 | |
| Ni70Cr30B | Bar | Dia=8~100mm | L=50~1000 | |
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