Specifications
Brand Name :
TANKII
Model Number :
NiCr70/30
Certification :
DIN, ASTM, JIS ROHS
Place of Origin :
Jiangsu, China
MOQ :
10KG
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 :
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
Description

Low Price Bare Alloy Ni70Cr30 Nichrome Heater Coil Spool Wire

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

Cr30Ni70 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 Cr30Ni70 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 -

Size and tolerance

Diameter(mm) Tolerance(mm) Diameter(mm) Tolerance(mm)
0.03-0.05 ±0.005 >0.50-1.00 ±0.02
>0.05-0.10 ±0.006 >1.00-3.00 ±0.03
>0.10-0.20 ±0.008 >3.00-6.00 ±0.04
>0.20-0.30 ±0.010 >6.00-8.00 ±0.05
>0.30-0.50 ±0.015 >8.00-12.0

±0.4

Specifiations

Alloy Type Diameter
(mm)
Resistivity
(μΩm)(20°C)
Tensile
Strength
(N/mm
²)
Elongation(%) Bending
Times
Max.Continuous
Service
Temperature(
°C)
Working Life
(hours)
Cr20Ni80 <0.50 1.09±0.05 850-950 >20 >9 1200 >20000
0.50-3.0 1.13±0.05 850-950 >20 >9 1200 >20000
>3.0 1.14±0.05 850-950 >20 >9 1200 >20000
Cr30Ni70 <0.50 1.18±0.05 850-950 >20 >9 1250 >20000
≥0.50 1.20±0.05 850-950 >20 >9 1250 >20000
Cr15Ni60 <0.50 1.12±0.05 850-950 >20 >9 1125 >20000
0.50 1.15±0.05 850-950 >20 >9 1125 >20000
Cr20Ni35 <0.50 1.04±0.05 850-950 >20 >9 1100 >18000
0.50 1.06±0.05 850-950 >20 >9 1100 >18000
1Cr13Al4 0.03-12.0 1.25±0.08 588-735 >16 >6 950 >10000
0Cr15Al5 1.25±0.08 588-735 >16 >6 1000 >10000
0Cr25Al5 1.42±0.07 634-784 >12 >5 1300 >8000
0Cr23Al5 1.35±0.06 634-784 >12 >5 1250 >8000
0Cr21Al6 1.42±0.07 634-784 >12 >5 1300 >8000
1Cr20Al3 1.23±0.06 634-784 >12 >5 1100 >8000
0Cr21Al6Nb 1.45±0.07 634-784 >12 >5 1350 >8000
0Cr27Al7Mo2 0.03-12.0 1.53±0.07 686-784 >12 >5 1400

>8000

Welcome to contact for further information via:

Email:zlz@tankii.com

Whatsapp:+86 189 6409 7118

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Bare Alloy Nichrome Heater Coil Spool Ni70Cr30

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Brand Name :
TANKII
Model Number :
NiCr70/30
Certification :
DIN, ASTM, JIS ROHS
Place of Origin :
Jiangsu, China
MOQ :
10KG
Price :
30-80USD
Contact Supplier
Bare Alloy Nichrome Heater Coil Spool Ni70Cr30
Bare Alloy Nichrome Heater Coil Spool Ni70Cr30
Bare Alloy Nichrome Heater Coil Spool Ni70Cr30
Bare Alloy Nichrome Heater Coil Spool Ni70Cr30
Bare Alloy Nichrome Heater Coil Spool Ni70Cr30

Shanghai Tankii Alloy Material Co.,Ltd

Verified Supplier
11 Years
shanghai, shanghai
Since 1981
Business Type :
Manufacturer, Exporter
Total Annual :
8000000-100000000
Employee Number :
90~100
Certification Level :
Verified Supplier
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