Cr30ni70 Electric Heating Resistance Alloy Strip
China Cr30ni70 Electric Heating Resistance Alloy Strip, Find details about China Fecral Strip for Locomotive Resistor Railway, High Resistance Strip for Railway Braking Part from Cr30ni70 Electric Heating Resistance Alloy Strip
Basic Info.
Model NO.
cr30Ni70
Useage
Locomotive Brake Resistor
Application
Railway Braking Resistor
Trademark
wisdom
Transport Package
Pallet
Specification
according to customer′s requirement
Origin
China
Model NO.
cr30Ni70
Useage
Locomotive Brake Resistor
Application
Railway Braking Resistor
Trademark
wisdom
Transport Package
Pallet
Specification
according to customer′s requirement
Origin
China
Product Desciption
BRAKING RESISTOR ALLOY
FeCrAl Strip for Locomotive Resistor Railway
High Resistance Strip for Railway Braking Part
High Resistance Braking Alloy strip
Cr30Ni70 electric heating resistance alloy strip
(Common Name:Ni70Cr30, Nikrothal 70, N7, HAI-NiCr 70, Chromel 70/30, Resistohm 70, Balco,Tophet 30,Cronix 70,Alloy 710,Stablohm 710)
Ni70Cr30 is a nickel-chromium alloy (NiCr alloy) characterized byHigh resistivity, good oxidation resistance,very good form stability,good ductility and excellent weldability. It is suitable for use at temperatures up to 1250°C.
Typical applications for Ni70Cr30 are used in electrical heating elements in industrial furnace,and well suited for reducing atmospheres.
Normal composition%
C P S Mn Si Cr Ni Al Fe Other
Max
0.05 0.02 0.015 0.60 0.75~1.60 28.0~31.0 Bal. Max 0.50 Max 1.0 -
Typical Mechanical properties(1.0mm)
Yield strength Tensile Strength Elongation
Mpa Mpa %
430 820 30
Typical Physical properties
Density (g/cm3) 8.2
Electrical resistivity at 20ºC(ohm mm2/m) 1.18
Conductivity coefficient at 20ºC (WmK) 14
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 500ºC 600ºC
1 1.007 1.016 1.028 1.038 1.044 1.036
700ºC 800ºC 900ºC 1000ºC 1100ºC 1200ºC 1300ºC
1.03 1.028 1.029 1.033 1.037 1.043 -
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
2.Specification
1).Locomotive resistance strip:
Thickness:0.6mm-1.5mm
Width:60mm-90mm
2).Electric ceramic cooktop resistance strip:
Thickness:0.04mm-1.0mm
Width:5mm-12mm
Thickness&Width:(0.04mm-1.0mm)×12mm(above)
3).Low resistance ribbon:
Thickness&Width:(0.2mm-1.5mm)*5mm
4).Industrial furnace strip:
Thickness:1.5mm-3.0mm
Width:10mm-30mm
5)Wire: Diameter:0.05mm-10.0mm
3.Usage
FeCrAl electric heating strip Alkrothal 14 is mainly used in electric locomotive, diesel locomotive, metro vehicle and
high speed moving car etc brake system brake resistor,electric ceramic cooktop,industrial furnace.
4.Features
FeCrAl electric heating strip Alkrothal 14 has Stable performance;Anti-oxidation;Corrosion resistance;High
temperature stability;Excellent coil-forming ability;Uniform and beautiful surface condition without spots.
Application
Mainly applied in the braking resistance system of electrical power locomotive, internal-combustion engine, high speed motor car, this kind of resistance alloy strip have higher and stable resistivity, good anti-oxidation, good corrosion resistance. Also it has a good shock resistant and creep resistant under high temperature. So these alloys surely can meet all the requirement in making locomotive resistance appliance
Wisdomalloy is a iron-chromium-aluminium alloy (FeCrAl alloy) characterized by Stable performance, Anti-oxidation, Corrosion resistance, High temperature stability, Excellent coil-forming ability, Uniform and beautiful surface condition without spots.
Typical applications for Wisdomalloy are used in Neutral Grounding Resistor, Load Bank,Motor Starter,Battery Discharger,Harmonic Filter, electric locomotive, diesel locomotive, metro vehicle and high speed moving car etc, brake system brake resistor, electric ceramic cooktop, industrial furnace, It is suitable for use at temperatures up to 950°C, used extensively as heating elements in industrial furnaces and so on.
FeCrAl Strip for Locomotive Resistor Railway
High Resistance Strip for Railway Braking Part
High Resistance Braking Alloy strip
Cr30Ni70 electric heating resistance alloy strip
(Common Name:Ni70Cr30, Nikrothal 70, N7, HAI-NiCr 70, Chromel 70/30, Resistohm 70, Balco,Tophet 30,Cronix 70,Alloy 710,Stablohm 710)
Ni70Cr30 is a nickel-chromium alloy (NiCr alloy) characterized byHigh resistivity, good oxidation resistance,very good form stability,good ductility and excellent weldability. It is suitable for use at temperatures up to 1250°C.
Typical applications for Ni70Cr30 are used in electrical heating elements in industrial furnace,and well suited for reducing atmospheres.
Normal composition%
C P S Mn Si Cr Ni Al Fe Other
Max
0.05 0.02 0.015 0.60 0.75~1.60 28.0~31.0 Bal. Max 0.50 Max 1.0 -
Typical Mechanical properties(1.0mm)
Yield strength Tensile Strength Elongation
Mpa Mpa %
430 820 30
Typical Physical properties
Density (g/cm3) 8.2
Electrical resistivity at 20ºC(ohm mm2/m) 1.18
Conductivity coefficient at 20ºC (WmK) 14
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 500ºC 600ºC
1 1.007 1.016 1.028 1.038 1.044 1.036
700ºC 800ºC 900ºC 1000ºC 1100ºC 1200ºC 1300ºC
1.03 1.028 1.029 1.033 1.037 1.043 -
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
2.Specification
1).Locomotive resistance strip:
Thickness:0.6mm-1.5mm
Width:60mm-90mm
2).Electric ceramic cooktop resistance strip:
Thickness:0.04mm-1.0mm
Width:5mm-12mm
Thickness&Width:(0.04mm-1.0mm)×12mm(above)
3).Low resistance ribbon:
Thickness&Width:(0.2mm-1.5mm)*5mm
4).Industrial furnace strip:
Thickness:1.5mm-3.0mm
Width:10mm-30mm
5)Wire: Diameter:0.05mm-10.0mm
3.Usage
FeCrAl electric heating strip Alkrothal 14 is mainly used in electric locomotive, diesel locomotive, metro vehicle and
high speed moving car etc brake system brake resistor,electric ceramic cooktop,industrial furnace.
4.Features
FeCrAl electric heating strip Alkrothal 14 has Stable performance;Anti-oxidation;Corrosion resistance;High
temperature stability;Excellent coil-forming ability;Uniform and beautiful surface condition without spots.
Application
Mainly applied in the braking resistance system of electrical power locomotive, internal-combustion engine, high speed motor car, this kind of resistance alloy strip have higher and stable resistivity, good anti-oxidation, good corrosion resistance. Also it has a good shock resistant and creep resistant under high temperature. So these alloys surely can meet all the requirement in making locomotive resistance appliance
Wisdomalloy is a iron-chromium-aluminium alloy (FeCrAl alloy) characterized by Stable performance, Anti-oxidation, Corrosion resistance, High temperature stability, Excellent coil-forming ability, Uniform and beautiful surface condition without spots.
Typical applications for Wisdomalloy are used in Neutral Grounding Resistor, Load Bank,Motor Starter,Battery Discharger,Harmonic Filter, electric locomotive, diesel locomotive, metro vehicle and high speed moving car etc, brake system brake resistor, electric ceramic cooktop, industrial furnace, It is suitable for use at temperatures up to 950°C, used extensively as heating elements in industrial furnaces and so on.
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