High temp resistance alloy( NiCr30/20)
ASTM B603,DIN17470,JIS C2520,GB/T1234-95
Material:NiCr30/20.
High Resistance Wire Application:
1.used in the explosives and fireworks industry as a bridgewire in electric ignition systems.
2.Industrial and hobby hot wire foam cutters.
3.testing the colour of the flame in the non-luminous part of fire of a cation.
4. used in ceramics as an internal support structure.
Packaging:A full range of flexible packaging options are available to fit your individual requirements.
Chemical Composition and Main Properties
|
Properties \ Grade |
NiCr 80/20 |
NiCr 70/30 |
NiCr 60/15 |
NiCr 35/20 |
NiCr 30/20 |
|
|
Main Chemical Composition% |
Ni |
Balance |
Balance |
55.0-61.0 |
34.0-37.0 |
30.0-34.0 |
|
Cr |
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 |
Balance |
Balance |
Balance |
|
|
Max Continuous Service Temperature(°C) |
1200 |
1250 |
1150 |
1100 |
1100 |
|
|
Resisivity (uΩ.m,20°C) |
1.09 |
1.18 |
1.12 |
1.04 |
1.04 |
|
|
Density (g/cm3) |
8.4 |
8.1 |
8.2 |
7.9 |
7.9 |
|
|
Thermal Conductivity(KJ/m·h·°C) |
60.3 |
45.2 |
45.2 |
43.8 |
43.8 |
|
|
Coefficient of Thermal Expansion(α×10-6/°C) |
18.0 |
17.0 |
17.0 |
19.0 |
19.0 |
|
|
Melting Point( °C) |
1400 |
1380 |
1390 |
1390 |
1390 |
|
|
Elongation(%) |
≥20 |
≥20 |
≥20 |
≥20 |
≥20 |
|
|
Micrographic Structure |
austenite |
austenite |
austenite |
austenite |
austenite |
|
|
Magnetic Property |
nonmagnetic |
nonmagnetic |
nonmagnetic |
nonmagnetic |
nonmagnetic | |
Shanghai TANKII ALLOY MATERIAL Co., Ltd.
FECRAL AND ALCHROME ALLOY PRODUCER IN China, MOST PROFESSIONAL IN THE WORLD