Ni30Cr20 With Common Name:Ni30Cr20,Nikrothal 30, N3, HAI-NiCr 30, Resistohm
30,30-20 Ni-Cr,Nikrothal 3.It is a kind of nickel-chromium alloy. The max temperature
applications up to 1100°C. Ni30Cr20 is used for a wide range of
electric heating elements in domestic appliances.
Typical applications: hot plates, heavy-duty rheostats, storage
heaters, convection heaters, fan heaters, heating cables, electric
blankets and pads, car seats, resistors, etc.
Common Name: OhmAlloy104B, Ni30Cr20,Nikrothal 30, N3, HAI-NiCr 30,
Resistohm 30,30-20 Ni-Cr,Nikrothal 3
Ni30Cr20 Nickel-Chromium Nickel alloy resistance heating flat wire.
- Ni30Cr20 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 |
- Ni30Cr20 The Form we could offer
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 |



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.