0.01-10mm Enamelled Copper Nichrome Heater Wire CuNi44 Constantan with 400°C Thermal Rating and 0.49 ohm·mm²/m Resistivity
Price:
USD + 20-60 + kilograms
MOQ:
20kilograms
Delivery Time:
7-10 work days
Brand:
TANKII
Product Description
Enamelled Resistance Wire Overview
These precision enameled resistance wires are engineered for demanding applications including standard resistors, automotive components, and winding resistors. The insulation processing is optimized to leverage the distinctive advantages of enamel coating technology.
Product Specifications
Available Alloy Types
- Copper-nickel alloy wire
- Constantan wire (CuNi44)
- Manganin wire
- Kama Wire
- NiCr Alloy wire
- FeCrAl Alloy wire
Size Range
- Round wire: 0.018mm - 3.0mm diameter
- Ribbon wire: 0.01mm × 0.2mm - 1.2mm × 24mm
Insulation Colors
Red, Green, Yellow, Black, Blue, Natural
Minimum Order Quantity
5kg per size
Insulation Types & Thermal Ratings
| Insulation Type | Thermal Level (°C) | 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 & polyamide-imide double coated | 200 | EIWH (DFWF) | QZY/XY | MW35C |
| Polyamide-imide enamelled wire | 220 | AIW | QXY | MW81C |
Constantan CuNi44 Technical Properties
| Property | Value |
|---|---|
| Maximum Continuous Service Temperature | 400°C |
| Resistivity at 20°C | 0.49 ±5% ohm·mm²/m |
| Density | 8.9 g/cm³ |
| Melting Point | 1280°C |
| Tensile Strength (Annealed) | 340-535 MPa |
| Tensile Strength (Cold Rolled) | 680-1070 MPa |
| Elongation (Annealed) | ≥25% |
| EMF vs Copper (0-100°C) | -43 μV/°C |
Chemical Composition
| Element | Content (%) |
|---|---|
| Nickel (Ni) | 44 |
| Manganese (Mn) | 1 |
| Iron (Fe) | 0.5 |
| Copper (Cu) | Balance |
Applications
Constantan copper-nickel alloy is specifically formulated to achieve precise temperature coefficients of resistivity. It features excellent performance in foil resistors, strain gauges, and precision electrical applications with superior pinhole resistance at ultra-thin thicknesses.
Manufacturer Information
Shanghai Tankii Alloy Material Co., Ltd. specializes in precision alloy materials including resistance heating alloys, nickel chromium alloys, and thermocouple wires. The company holds ISO9001 quality certification and ISO14001 environmental certification, with comprehensive production capabilities from refining to final processing.
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Get in Touch
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Company
Shanghai Tankii Alloy Material Co.,Ltd
Location
1900 Mudanjiang Road, Baoshan District, 201999, Shanghai, China
Contact Person
Martin Lee