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Round Nichrome Alloy Wire Electric Heat Resistance Ni70Cr30

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Round Nichrome Alloy Wire Electric Heat Resistance Ni70Cr30

Brand Name : TANKII

Model Number : Cr30Ni70

Certification : DIN, ASTM, JIS ROHS

Place of Origin : Jiangsu, China

MOQ : 20KG

Price : 30-80USD

Payment Terms : T/T, L/C, , Western Union

Supply Ability : 50 tons per month

Delivery Time : 5-10 work days

Packaging Details : spool ,coil, carton, wood box, or as clients' requirement

Grade : NrCr7030, Nikrothal 70, N7, HAI-NiCr70, Tophet 30, Resistohm 70, Stablohm 70.

Application : furnace heating wire/household appliances

Elongation (≥ %) : 20

Resistance (μω.m) : 1.18

Powder or not : Not Powder

Ultimate strength (≥ mpa) : 875 N/mm²

Surface : Bright Annealed

Shape : round wire

Material : Nichrome

Condition : soft annealed

Standard : ASTM B162, GB/1234 2012, GB/T 2054-2013, ASTM ASME, ASME SB162

Density : 8.1

Feature : high temperature strength

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High Quality Electric Heat Resistance Alloy Nichrome Alloy Wire Ni70Cr30 Wire


Related Grade: 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 1200°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) 8.1
Electrical resistivity at 20℃(Ωmm2/m) 1.18
Conductivity coefficient at 20℃ (WmK) 14

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

Specific heat capacity
Temperature 20℃
J/gK 0.46

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

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

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