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CuNi44 Flat Wire (ASTM C71500/DIN CuNi44) Nickel-Copper Alloy for Electrical Components
| Place of Origin | Shanghai |
|---|---|
| ब्रांड नाम | Huona |
| प्रमाणन | ISO9001 |
| Model Number | CuNi44 |
| Minimum Order Quantity | 10kg |
| मूल्य | बातचीत योग्य |
| Packaging Details | Carton/Wooden Case |
| Delivery Time | 5-21 days |
| Payment Terms | L/C,T/T,Western Union,MoneyGram |
| Supply Ability | 500 tons per year |
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xउत्पाद विवरण
| Product Name | CuNi44 flat wire | Thickness Range | 0.05mm – 0.5mm |
|---|---|---|---|
| Width Range | 0.2mm – 10mm | Tensile Strength | 450 – 550 MPa (annealed) |
| Elongation | ≥20% (annealed) | Hardness (HV) | 130 – 170 (annealed); 210 – 260 (half-hard) |
| Chemical Composition (Typical, %) | Ni:43-45% | Surface Finish | Bright annealed (Ra ≤0.2μm) |
| प्रमुखता देना | CuNi44 flat wire for electrical components,Nickel-copper alloy flat wire ASTM C71500,DIN CuNi44 flat wire with warranty |
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उत्पाद विवरण
CuNi44 Flat Wire (ASTM C71500/DIN CuNi44) Nickel-Copper Alloy for Electrical Components
Product Overview
CuNi44 flat wire stands out for its exceptional electrical resistance stability and mechanical workability, making it a superior choice for precision electrical components.
Key Attributes
| Product Name | CuNi44 flat wire |
| Thickness Range | 0.05mm – 0.5mm |
| Width Range | 0.2mm – 10mm |
| Tensile Strength | 450 – 550 MPa (annealed) |
| Elongation | ≥20% (annealed) |
| Hardness (HV) | 130 – 170 (annealed); 210 – 260 (half-hard) |
| Chemical Composition (Typical, %) | Ni:43-45% |
| Surface Finish | Bright annealed (Ra ≤0.2μm) |
Product Advantages
Compared to similar copper-nickel alloys like CuNi10 (Constantan) and CuNi30, CuNi44 offers:
- Higher resistivity (49 μΩ*cm vs. 45 μΩ*cm for CuNi30)
- Lower temperature coefficient of resistance (TCR)
- Superior resistance stability in temperature-fluctuating environments
- Enhanced heat dissipation and contact uniformity with flat cross-section design
Standard Designations
- Alloy Grade: CuNi44 (Copper-Nickel 44)
- UNS Number: C71500
- DIN Standard: DIN 17664
- ASTM Standard: ASTM B122
Technical Specifications
| Thickness Tolerance | ±0.001mm (≤0.1mm); ±0.002mm (>0.1mm) |
| Width Tolerance | ±0.02mm |
| Aspect Ratio (Width:Thickness) | 2:1 - 20:1 (custom ratios available) |
Chemical Composition
| Nickel (Ni) | 43.0 - 45.0% |
| Copper (Cu) | Balance (55.0 - 57.0%) |
| Iron (Fe) | ≤0.5% |
| Manganese (Mn) | ≤1.0% |
| Silicon (Si) | ≤0.1% |
| Carbon (C) | ≤0.05% |
Product Specifications
| Supply Form | Continuous rolls (50m - 300m) or cut lengths |
| Packaging | Vacuum-sealed with anti-oxidation paper; plastic spools |
| Processing Options | Custom slitting, annealing, or insulation coating |
| Compliance | RoHS, REACH certified; material test reports available |
Typical Applications
- Precision wirewound resistors and current shunts
- Strain gauge grids and load cells
- Heating elements in medical devices
- EMI shielding in high-frequency circuits
- Electrical contacts in automotive sensors
We provide tailored solutions for specific dimensional requirements. Free samples (1m lengths) and comparative performance data with CuNi30/CuNi10 are available upon request.
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