Ohmalloy Material Co.,Ltd
| Payment Terms | L/C, T/T, Paypal, |
| Supply Ability | 500000 meters per month |
| Delivery Time | 10 -15 days |
| Packaging Details | 100m/spool, 305m/spool, 1000ft/spool, 1000m/spool |
| Material | Chromel,Alumel |
| Insulation | FEP.PVC. Fiberglass, PTFE, silicon rubber |
| Diameter | AWG 20 |
| Color | ANSI code, IEC code, GB/T standard |
| Brand Name | OHMALLOY |
| Model Number | K-HP-307 |
| Certification | ISO9001-2008 |
| Place of Origin | China(Shanghai) |
View Detail Information
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Product Specification
| Payment Terms | L/C, T/T, Paypal, | Supply Ability | 500000 meters per month |
| Delivery Time | 10 -15 days | Packaging Details | 100m/spool, 305m/spool, 1000ft/spool, 1000m/spool |
| Material | Chromel,Alumel | Insulation | FEP.PVC. Fiberglass, PTFE, silicon rubber |
| Diameter | AWG 20 | Color | ANSI code, IEC code, GB/T standard |
| Brand Name | OHMALLOY | Model Number | K-HP-307 |
| Certification | ISO9001-2008 | Place of Origin | China(Shanghai) |
| High Light | k type thermocouple cable ，thermocouple bare wire | ||
AWG 18 Type K Thermocouple Cable with braiding Fiberglass insulation
Type K (CHROMEL vs ALUMEL ) is used in oxidizing, inert or dry reducing atmospheres. Exposure to vacuum limited to short time periods. Must be protected from sulfurous and marginally oxidizing atmospheres. Reliable and accurate at high temperatures.
1. Chemical Composition
| Material | Chemical composition (%) | ||||
| Ni | Cr | Si | Mn | Al | |
| KP(Chromel) | 90 | 10 | |||
| KN(Alumel) | 95 | 1-2 | 0.5-1.5 | 1-1.5 | |
2. Physical properties and Mechnical properties
|
Material |
Density (g/cm3) |
Melting point(℃) |
Tensile Strength(Mpa) |
Volume resistivity (μΩ.cm) |
Elongation rate (%) |
| KP(Chromel) | 8.5 | 1427 | >490 | 70.6(20℃) | >10 |
| KN(Alumel) | 8.6 | 1399 | >390 | 29.4(20℃) | >15 |
3. EMF Value range at different temperature
| Material | EMF value Vs Pt(μV) | |||||
| 100℃ | 200℃ | 300℃ | 400℃ | 500℃ | 600℃ | |
| KP(Chromel) | 2816~2896 | 5938~6018 | 9298~9378 | 12729~12821 | 16156~16266 | 19532~19676 |
| KN(Alumel) | 1218~1262 | 2140~2180 | 2849~2893 | 3600~3644 | 4403~4463 | 5271~5331 |
| EMF value Vs Pt(μV) | ||||
| 700℃ | 800℃ | 900℃ | 1000℃ | 1100℃ |
| 22845~22999 | 26064~26246 | 29223~29411 | 32313~32525 | 35336~35548 |
| 6167~6247 | 7080~7160 | 7959~8059 | 8807~8907 | 9617~9737 |
Type K Extension Cable Chromel / Alumel Material FEP insulation
Specifications
1.Style:Extension Wire
2.Thermocouple copper wire
Thermocouple copper wire Classification
1. Thermocouple level (high temperature level). This type of thermocouple wire is mainly suitable for thermocouple type K, J, E, T, N and L and other high temperature detection instrument, temperature sensor, etc.
2. Compensating wire level (low temperature level). This type of thermocouple wire is mainly suitable for compensating cable and extension wire of various thermocouples of type S, R, B, K, E, J, T, N and L, heating cable, control cable and so on.
Thermocouple variety and index
Thermocouple Variety and Index | ||
Variety | Type | Measurement Range(°C) |
NiCr-NiSi | K | -200-1300 |
NiCr-CuNi | E | -200-900 |
Fe-CuNi | J | -40-750 |
Cu-CuNi | T | -200-350 |
NiCrSi-NiSi | N | -200-1300 |
NiCr-AuFe0.07 | NiCr-AuFe0.07 | -270-0 |
3 . Dimensions and Tolerance of Fiberglass Insulated Thermocouple Wire
Dimensions / Tolerance mm ) : 4.0+-0.25
Color code & initial calibration tolerances for thermocouple wire:
| Thermocouple Type | ANSI Color Code | Initial Calibration Tolerances | ||||
| Wire Alloys | Calibration | +/- Conductor | Jacket | Temperature Range | Standard Limits | Special Limits |
| CHROMEL(+) vs. ALUMEL(-) | K | Yellow/Red | Brown | -200°C to -110°C -110°C to 0°C 0°C to +285°C 285°C to +1250°C | ± 2% ±2.2°C ±2.2°C ± .75% | ±1.1°C ± .4% |
Color Code & Initial Calibration Tolerance for Extension Wire:
| Extension type | ANSI Color Code | Initial Calibration Tolerances | ||||
| Wire Alloys | Calibration | +/- Conductor | Jacket | Temperature Range | Standard Limits | Special Limits |
| Iron (+) vs. Constantan(-) | JX | White/Red | Black | 0°C to +200°C | ±2.2°C | ±1.1°C |
| CHROMEL (+) vs. ALUMEL (-) | KX | Yellow/Red | Yellow | 0°C to +200°C | ±2.2°C | ±1.1°C |
| Copper(+) vs. Constantan(-) | TX | Blue/Red | Blue | -60°C to +100°C | ±1.1°C | ± .5°C |
| CHROMEL(+) vs. Constantan(-) | EX | Purple/Red | Purple | 0°C to +200°C | ±1.7°C | ±1.1°C |
PVC-PVC Physical Properties:
| Characteristics | Insulation | Jacket |
| Abrasion Resistance | Good | Good |
| Cut Through Resistance | Good | Good |
| Moisture Resistance | Excellent | Excellent |
| Solder Iron Resistance | Poor | Poor |
| Service Temperature | 105ºC continuous 150ºC single | 105ºC continuous 150ºC single |
| Flame Test | Self-extinguishing | Self-extinguishing |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Trading Company
Year Established:
2008
Total Annual:
4000000-6000000
Employee Number:
20~50
Ecer Certification：
Verified Supplier
Ohmalloy Material Co.,Ltd is a high-tech enterprise which specialized in making all kinds of alloy such as high resistance alloy, low-resistance copper nickel alloy, precision alloy, FeCrAl alloy and thermocouple Alloy. Ohmalloy Material Co.,Ltd have a full production line from melting, surface... Ohmalloy Material Co.,Ltd is a high-tech enterprise which specialized in making all kinds of alloy such as high resistance alloy, low-resistance copper nickel alloy, precision alloy, FeCrAl alloy and thermocouple Alloy. Ohmalloy Material Co.,Ltd have a full production line from melting, surface...
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