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Bright Furnace Heating Ni70Cr30 Nichrome Alloy

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Bright Furnace Heating Ni70Cr30 Nichrome Alloy

Brand Name : OHMALLOY/OEM

Model Number : SP-0Cr30Ni70

Certification : ISO9001

Place of Origin : Jiangsu

MOQ : 5KG

Payment Terms : L/C, T/T

Supply Ability : 30 tons per month

Delivery Time : 3-15 working days after payment

Packaging Details : spool+plywood case

Name : Ni70Cr30 Nichrome Heating Alloy Resistohm Nikrothal 70 Alloy 710 For Industry Furnace Heating

Composition : Ni 70% Cr30%

Similar Brand : Nikrothal 70, N7, HAI-NiCr 70, Chromel 70/30, Resistohm 70, Balco,Tophet 30,Cronix 70,Alloy 710,Stablohm 710

Surface : Bright/Oxidize/Pickled

Working Temperature : 1200 ℃

Service Life : 80H/1300℃(Accelerated service life in Lab)

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Ni70Cr30 Nichrome Heating Alloy Resistohm Nikrothal 70 Alloy 710 For Industry Furnace Heating

Ohmalloy118

(Common Name: Ni70Cr30, Nikrothal 70, N7, HAI-NiCr 70, Chromel 70/30, Resistohm 70, Balco,Tophet 30,Cronix 70,Alloy 710,Stablohm 710)

OhmAlloy118 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 OhmAlloy118 are used in electrical heating elements in industrial furnace,and well suited for reducing atmospheres.

Resistohm Nikrothal 70 Alloy 710 Normal composition(%)

C P S Mn Si Cr Ni Al Fe
Max
0.08 0.02 0.015 0.60 0.75~1.60 28.0~31.0 Balance Max 0.50 Max 1.0

Bright Furnace Heating Ni70Cr30 Nichrome Alloy

Resistohm Nikrothal 70 Alloy 710 Typical Mechanical properties(1.0mm)

Yield strength Tensile Strength Elongation
Mpa Mpa %
430 820 30

Resistohm Nikrothal 70 Alloy 710 Typical Physical properties

Density (g/cm3) 8.2
Electrical resistivity at 20℃(Ωmm2/m) 1.18
Conductivity coefficient at 20℃ (WmK) 14

Melting point (℃) 1380
Max continuous operating temperature in air (℃) 1250
Magnetic properties non-magnetic

Coefficient of thermal expansion
Temperature Coefficient of Thermal Expansion x10-6/℃
20 ℃- 1000℃ 17

Specific heat capacity
Temperature 20℃
J/gK 0.46

Temperature Factors Of Electrical Resistivity

20℃ 100℃ 200℃ 300℃ 400℃ 500℃ 600℃
1 1.007 1.016 1.028 1.038 1.044 1.036
700℃ 800℃ 900℃ 1000℃ 1100℃ 1200℃ 1300℃
1.03 1.028 1.029 1.033 1.037 1.043 -

Style of supply

Alloys Name Type Dimension
OhmAlloy118W Wire D=0.03mm~8mm
OhmAlloy118R Ribbon W=0.4~40 T=0.03~2.9mm
OhmAlloy118S Strip W=8~250mm T=0.1~3.0
OhmAlloy118F Foil W=6~120mm T=0.003~0.1
OhmAlloy118B Bar Dia=8~100mm L=50~1000

Bright Furnace Heating Ni70Cr30 Nichrome Alloy

This alloy(NiCrC Resistohm Nikrothal 70 ) with a chemical composition of 70 % of nickel and 30 % chromium, make practically the unanimity among the users of material of metallic resistances. It contains rare earth additions for increased resistance, especially under conditions of frequent switching or wide temperature fluctuations. This is an excellent choice for heating elements operating at a temperature up to 1200°C, which include the majority of industry and other heating elements operating in an average range of temperatures.


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