Description
Superior 99.95% Cobalt Wire – Pure High Purity Metal Supply
✨ Overview
✨ Cobalt is a transition metal with exceptional thermal and magnetic properties. According to the Royal Society of Chemistry, cobalt maintains strong ferromagnetism up to 1121 °C.
🚀 Our Superior 99.95% Cobalt Wire is refined through vacuum melting and precision wire drawing processes, achieving a cobalt content of ≥99.95% with trace impurities kept under strict limits. This ensures reliable results for sensitive applications in aerospace, electronics, research, and healthcare.
✨ Key Features of 99.95% Cobalt Wire
💎 Ultra High Purity (≥99.95%) – Guarantees performance stability in high-demand environments.
🔥 High-Temperature Resistance – Melting point at 1495 °C and boiling point at 2927 °C.
⚡ Ferromagnetic Properties – Retains magnetism up to a Curie temperature of 1121 °C.
💪 Mechanical Strength – Hardness in the range of 120–150 HV, with strong tensile performance.
🎯 Customizable Options – Available from 0.05 mm to 3 mm in diameter, with multiple finishes.
🧪 Electrical Conductivity – Electrical resistivity of 5.8 μΩ·cm at 20 °C.
📊 Chemical Composition (Typical)
📐 The chemical composition of 99.95% Cobalt Wire demonstrates its exceptional purity:
| Element | Content (wt%) | Notes |
|---|---|---|
| Cobalt (Co) | ≥ 99.95% | Primary Element |
| Nickel (Ni) | ≤ 0.02% | Controlled Impurity |
| Iron (Fe) | ≤ 0.02% | Controlled Impurity |
| Copper (Cu) | ≤ 0.005% | Trace |
| Silicon (Si) | ≤ 0.005% | Trace |
| Carbon (C) | ≤ 0.01% | Trace |
| Others | ≤ 0.01% | Total Residuals |
🧾 These results are verified by COA and independent testing labs.
📐 Physical & Mechanical Properties
🧪 The physical and mechanical properties highlight why cobalt wire is trusted in extreme environments:
| Property | Value |
|---|---|
| Purity | 99.95% minimum |
| Density | 8.9 g/cm³ |
| Melting Point | 1495 °C |
| Boiling Point | 2927 °C |
| Electrical Resistivity | 5.8 μΩ·cm (20 °C) |
| Curie Temperature | 1121 °C |
| Magnetic Behavior | Ferromagnetic |
| Hardness | 120–150 HV |
🔥 These attributes make cobalt wire ideal for high-temperature and magnetic applications.
🌍 Applications of High Purity Cobalt Wire
⚙️ Industrial Superalloys – Widely adopted in aerospace, as documented in NASA Materials Research reports.
⚡ Electronics & Thin Film Deposition – Used as a feedstock for PVD and CVD coatings in semiconductor devices, magnetic storage, and electronic sensors.
🔬 Scientific Research – Applied in experimental metallurgy, alloy development, and vacuum furnace studies where purity is critical.
🏥 Medical Devices – Recognized by the National Institutes of Health for its role in biomedical implants.
🌱 Catalysis – Supports Fischer–Tropsch synthesis and advanced energy-related chemical processes.
🏗️ Manufacturing Process
🏭 Vacuum Melting – Removes impurities and stabilizes feedstock composition.
🔧 Hot Working – Initial shaping of the cobalt ingot under controlled temperature.
🌀 Cold Drawing – Refines diameters with precision control.
🔥 Annealing – Improves ductility and relieves stress.
✨ Surface Treatment – Finishes available in bright, polished, or oxide-free states.
📊 This controlled workflow guarantees dimensional accuracy, performance reliability, and reproducibility.
🎯 Customization Options
🔹 Diameter range: 0.05 mm – 3 mm (custom sizes available)
🔹 Supply forms: Spools, coils, or straight cut lengths
🔹 Surface finishes: Bright annealed, polished, or oxide-free
🔹 Standards: ASTM or customer-specific tolerances
🔹 Packaging: Vacuum-sealed with protective cartons
⭐ Advantages of Our Cobalt Wire
⭐ Consistent Purity – Verified by COA and third-party labs
⏳ Reliable Lead Times – 7–15 days depending on quantity and customization
🌍 Worldwide Export – Secure packaging and full compliance support
✉️ Technical Assistance – Expert engineers to provide solutions and support
📦 Packaging & Quality Assurance
📦 Each batch vacuum-sealed to avoid oxidation
🧾 Certificates of Analysis (COA) provided with every order
🛡️ RoHS and REACH compliance on request
🚚 Shipped in protective cartons with anti-shock measures
⚠️ Export & Compliance
🌍 While cobalt wire itself is not generally restricted, certain cobalt alloys may require export licenses depending on end-use. Our team ensures all shipments comply with international trade regulations.
❓ Frequently Asked Questions
❓ Q1: What is the minimum order quantity (MOQ)?
💡 MOQ is typically 100 grams, though research samples are available.
❓ Q2: Do you supply custom diameters?
💡 Yes, we can provide non-standard sizes based on request.
❓ Q3: Is certification included?
💡 Yes, COA accompanies every shipment.
❓ Q4: What finishes are available?
💡 Bright annealed, polished, and oxide-free.
❓ Q5: What is the lead time?
💡 Usually 7–15 days depending on customization.
📞 Contact Us
✉️ Email: sales@niticu.com
📱 Phone / WhatsApp / WeChat: +86 13335373172
🏭 Factory: Baotai Road Industrial Park, High-tech Zone, Baoji City, Shaanxi, China
🌐 Website: https://niticu.com
📩 Contact us today for quotes, samples, or expert technical support — response within 24 hours guaranteed.
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