
Resistance Flat Wire Ni70Cr30 NIKROTHAL 70 Factory
Ni70Cr30 is Electric heating resistance alloy wire
Ni70 Common name is 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 by
high resistivity, good oxidation resistance,very good form
stability,good ductility and excellent weldability. Ni70Cr30 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.
Ni70Cr30 is used for electric heating elements in industrial
furnaces. Typical applications are: electric and enamelling
furnaces, storage heaters, furnaces and kilns with a changing
atmospheres.
- Nickel-chromium alloy performance tables
Performance material | Cr10Ni90 | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 |
Composition | Ni | 90 | Rest | Rest | 55.0~61.0 | 34.0~37.0 | 30.0~34.0 |
Cr | 10 | 20.0~23.0 | 28.0~31.0 | 15.0~18.0 | 18.0~21.0 | 18.0~21.0 |
Fe | | ≤1.0 | ≤1.0 | Rest | Rest | Rest |
Maximum temperature℃ | 1300 | 1200 | 1250 | 1150 | 1100 | 1100 |
Meltiing point ℃ | 1400 | 1400 | 1380 | 1390 | 1390 | 1390 |
Density g/cm3 | 8.7 | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 |
Resistivity | | 1.09±0.05 | 1.18±0.05 | 1.12±0.05 | 1.00±0.05 | 1.04±0.05 |
μΩ·m,20℃ |
Elongation at rupture | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 |
Specific heat | | 0.44 | 0.461 | 0.494 | 0.5 | 0.5 |
J/g.℃ |
Thermal conductivity | | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 |
KJ/m.h℃ |
Coefficient of lines expansion | | 18 | 17 | 17 | 19 | 19 |
a×10-6/ |
(20~1000℃) |
Micrographic structure | | Austenite | Austenite | Austenite | Austenite | Austenite |
Magnetic properties | | Nonmagnetic | Nonmagnetic | Nonmagnetic | Weak magnetic | Weak magnetic |
Size Range | Wire | Ribbon | Strip | Rod |
dia 0.03-7.5mm | dia 8.0-12.0mm | (0.05-0.35)*(0.5-6.0)mm | (0.50-2.5)*(5-180)mm | 8-50mm
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Do you provide free samples? |
Yes, we can provide a free sample for testing,buyer should bear all
the shipping costs. |
|
What is your payment terms? |
T/T,L/C,D/A,D/P,Western Union,MoneyGram,Paypal |
We are doing the best to match your demand. |
|
What is the lead time? |
Usually sample lead time is 7 days after payment has been
confirmed. |
Normal order is 10-30days,it depends on customers' quantity. |
Anyway,we try to offer good-quality products as soon as possible. |
CHANGZHOU DLX ALLOY COMPANY was establish in 2016,our factory
established in 2002 and has got ISO9001 International Quality
Management System Certificate and SGS Certificate.Our factory is
becoming a high-tech company,We are professional in researching and
producing special alloy material.The production process include
melting,drawing,heat treatment,finishing and testing.We offer super
alloy,welding wire,corrosion resistance alloy,precision
alloy,FeCrAl alloy,NiCr alloy,CuNi alloy,in the form of
wire,strip,ribbon,bar,tube,plate and etc.The administrative
principle of our company is "intensifying inner supervision,
complying with technical process and quality control, continuously
adopting new technology to ensure the product quality". We employ
some senior engineers to instruct technology, apply new technology
and research new products. Our operation principle is "Quality
first, Customer first". All the staff of our company would like to
provide high quality and reasonably priced products for clients at
home and abroad, and to make your products more competitive.