Customization: | Available |
---|---|
Application: | Industrial |
Standard: | ASTM |
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Enamelled Resistance Heating Wire Nickel 3070 Ohmalloy Chrome 70/30 20AWG 24AWG 26AWG28AWG
Enamelled Ni80Cr20 is a nickel-chromium alloy (NiCr alloy) characterized by high resistivity, good oxidation resistance and very good form stability. It is suitable for use at temperatures up to 1200°C,and hold a superior service life compared to Iron chromium alumium alloys
Products Details
1). Chemical composition(%)
C | P | S | Mn | Si | Cr | Ni | Al | Fe | Other |
0.03 | 0.02 | 0.15 | 0.60 | 0.75-1.60 | 20.0~23.0 | Bal. | Max0.5 | Max1.0 | _ |
2).Typical Mechanical properties(1.0mm)
Yield strength | Tensile Strength | Elongation |
Mpa | Mpa | % |
420 | 810 |
30 |
3).Typical Physical properties
Density (g/cm3) |
8.4 |
Electrical resistivity at 20ºC(Ωmm2/m) |
1.09 |
Conductivity coefficient at 20ºC (WmK) | 15 |
4).Coefficient of Thermal Expansion
Temperyure |
Coefficient of Thermal Expansion x10-6/ºC |
20 ºC- 1000ºC |
20 |
5).Specific Heat Capacity
Temperature |
20ºC |
J/gK |
0.46 |
Melting point (ºC) |
1400 |
Max continuous operating temperature in air (ºC) |
1200 |
Magnetic properties |
non-magnetic |
6).Temperature Factors for Electrical Resistivity
20ºC | 100ºC | 200ºC | 300ºC | 400ºC | 600ºC |
1 | 1.006 | 1.012 | 1.018 | 1.025 | 1.018 |
700ºC | 800ºC | 900ºC | 1000ºC | 1100ºC | 1300ºC |
1.01 | 1.08 | 1.01 | 1.014 | 1.021 | - |
7) Insulation Type
Insulation-enamelled Name |
Thermal LevelºC (working time 2000h) |
Code Name |
GB Code |
ANSI. TYPE |
Polyurethane enamelled wire |
130 |
UEW |
QA |
MW75C |
Polyester enamelled wire |
155 |
PEW |
QZ |
MW5C |
Polyester-imide enamelled wire |
180 |
EIW |
QZY |
MW30C |
Polyester-imide and polyamide-imide double coated enameled wire |
200 |
EIWH (DFWF) |
QZY/XY |
MW35C |
Polyamide-imide enamelled wire |
220 |
AIW |
QXY |
MW81C |
8)Style of Supply
Alloys name |
Type |
Dimension |
||
OhmAlloy109W |
Wire |
D=0.03mm~8mm |
||
OhmAlloy109R |
Ribbon |
W=0.4~40 |
T=0.03~2.9mm |
|
OhmAlloy109S |
Strip |
W=8~250mm |
T=0.1~3.0 |
|
OhmAlloy109F |
Foil |
W=6~120mm |
T=0.003~0.1 |
|
OhmAlloy109B |
Bar |
Dia=8~100mm |
L=50~1000 |