High Weld Ability Size 0.1mm Nichrome Wire Ni35Cr20 for Industrial Furnace
Electrical resistance alloys are widely applied in electrical heaters, particularly NiCr. Nichrome is nickel and chromium alloy which is commonly used in production of resistance wire because of its high resistivity and stable anti-oxidation properties at temperatures up to 1250°C that’s why resistance wires are well-suited for service in extreme environments where they are subjected to pressure and heat. Vladimir Plant of Precision Alloys has been manufacturing resistance alloys and heating alloys from its foundation. Our strength is making wires, strips, ribbon and foil, including NiCr alloys and Fe-Cr-Al alloys.
|
Grade |
Ni80Cr20 |
Ni70Cr30 |
Ni60Cr23 |
Ni60Cr15 |
Ni35Cr20 |
Karma |
Evanohm |
|
|
Nominal composition% |
Ni |
Bal |
Bal |
58.0-63.0 |
55.0-61.0 |
34.0-37.0 |
Bal |
Bal |
|
|
Cr |
20.0-23.0 |
28.0-31.0 |
21.0-25.0 |
15.0-18.0 |
18.0-21.0 |
19.0-21.5 |
19.0-21.5 |
|
|
Fe |
≦1.0 |
≦1.0 |
Bal |
Bal |
Bal |
2.0-3.0 |
– |
|
|
|
|
|
Al1.0-1.7 Ti 0.3-0.5 |
|
|
Al2.7-3.2 Mn0.5-1.5 |
Al2.7-3.2 Cu2.0-3.0 Mn0.5-1.5 |
|
Max operating temp(°C) |
1200 |
1250 |
1150 |
1150 |
1100 |
300 |
400 |
|
|
Resisivity(Ω/cmf,20℃) |
1.09 |
1.18 |
1.21 |
1.11 |
1.04 |
1.33 |
1.33 |
|
|
Resisivity(uΩ/m,60°F) |
655 |
704 |
727 |
668 |
626 |
800 |
800 |
|
|
Density(g/cm³) |
8.4 |
8.1 |
8.4 |
8.2 |
7.9 |
8.1 |
8.1 |
|
|
Thermal Conductivity(KJ/m·h·℃) |
60.3 |
45.2 |
45.2 |
45.2 |
43.8 |
46.0 |
46.0 |
|
|
Linear Expansion Coefficient(×10¯6/℃)20-1000℃) |
18.0 |
17.0 |
17.0 |
17.0 |
19.0 |
- |
- |
|
|
Melting Point(℃) |
1400 |
1380 |
1370 |
1390 |
1390 |
1400 |
1400 |
|
|
Hardness(Hv) |
180 |
185 |
185 |
180 |
180 |
180 |
180 |
|
|
Tensile Strength(N/mm2 ) |
750 |
875 |
800 |
750 |
750 |
780 |
780 |
|
|
Elongation(%) |
≥20 |
≥20 |
≥20 |
≥20 |
≥20 |
10-20 |
10-20 |
|
|
Micrographic Structure |
austenite |
austenite |
austenite |
austenite |
austenite |
austenite |
austenite |
|
|
MagneticProperty |
Non |
Non |
Non |
Slightly |
Non |
Non |
Non |
|
|
Fast Life(h/℃) |
≥81/1200 |
≥50/1250 |
≥81/1200 |
≥81/1200 |
≥81/1200 |
- |
- |
|
