C10100 OFE Copper Strip
Henan Gnee New Material Co., Ltd. is one of the most professional manufacturers and suppliers of c10100 ofe copper strip in China, specialized in providing high quality copper products with competitive price. Welcome to buy discount c10100 ofe copper strip for sale here from our factory. Customized orders are welcome.
C10100 Oxygen-Free Electronic (OFE) copper strip is the gold standard for high-reliability components in the semiconductor, aerospace, and renewable energy sectors. Unlike standard ETP copper, C10100 strip is processed to eliminate nearly all impurities, ensuring exceptional weldability and zero risk of hydrogen embrittlement.
Our strip production adheres to the rigorous purity and conductivity benchmarks detailed in our [C10100 (OFE) Copper Material Specifications] , ensuring each coil meets the sub-5ppm oxygen limit required for high-vacuum applications.
Detailed Technical Specifications
We understand that for automated stamping and high-speed laser welding, dimensional consistency is everything. We maintain strict control over thickness and width tolerances.
1. Dimensional Capabilities
| Form | Thickness (mm) | Width (mm) | Tolerance |
| Ultra-Thin Foil | 0.01 – 0.05 | 5.0 – 400 | ±0.002mm |
| Precision Strip | 0.05 – 1.0 | 2.0 – 610 | ±0.01mm |
| Heavy-Gauge Strip | 1.0 – 3.0 | 10 – 610 | ±0.03mm |
Request a Fast Quote for Your Specific Size
2. Coil Configurations
Inner Diameter (ID): 76mm, 152mm, 200mm, 300mm, 400mm, 508mm.
Outer Diameter (OD): Customized to your machine's decoiler capacity.
Edge Condition: Slit edge (burr-free), Round edge, or Square edge.
If you require a specific coil weight or a non-standard ID for your production line, please [request a customized quotation via email] to discuss your setup with our logistics team.
Mechanical Properties & Tempers
The "temper" of C10100 determines its performance during bending, drawing, and stamping. We offer a full range of tempers according to ASTM B152 and B170 standards.
Soft Annealed (O60): Maximum ductility, ideal for deep drawing and complex forming.
Half-Hard (H02): A balance of strength and flexibility, widely used for connectors and tabs.
Full Hard (H04): High tensile strength for spring-loaded contacts and structural electronic parts.
| Temper | Tensile Strength (MPa) | Elongation (%) | Rockwell Hardness (F) |
| Soft (O) | 200 - 250 | ≥ 35% | 40 - 65 |
| Half-Hard (1/2H) | 260 - 310 | ≥ 12% | 75 - 90 |
| Hard (H) | 310 - 380 | ≥ 4% | 90 - 105 |
Why Engineers Specify GNEE C10100 Strip
Hydrogen Embrittlement Resistance
For applications involving high-temperature brazing or glass-to-metal sealing, the lack of oxygen in C10100 is critical. Standard copper contains cuprous oxide which reacts with hydrogen to cause internal cracking. Our C10100 strips are certified Hydrogen Embrittlement Free, ensuring the long-term integrity of hermetic seals.
Optimal Surface for Advanced Welding
The surface of our C10100 foil is treated to be chemically clean and free of carbon residuals. This provides an ideal surface for Ultrasonic Wedge Bonding and Laser Welding, common in EV battery module assembly (busbar-to-cell connections). If you are facing welding consistency issues, you can [submit your technical requirements to our team] to review our surface treatment options.
Precision Slitting & Camber Control
Poorly slit copper can cause downtime in automated lines. We use high-precision carbide slitting knives to ensure minimal burr height (<5% of thickness) and near-zero camber (curvature), ensuring smooth feeding into your dies.
Critical Applications
Electric Vehicles (EV): Battery cell tabs, flexible busbars, and high-voltage interconnects.
Semiconductors: Lead frames, vacuum interrupters, and sputtering targets.
Renewable Energy: High-efficiency photovoltaic ribbons and power transformer windings.
High-Frequency Electronics: Coaxial shielding, RF antennas, and PCB ground planes.
Which C10100 Form Factor Fits Your Design?
Beyond foils and strips, GNEE METAL provides a complete ecosystem of ASTM B170 Grade 1 copper.
| C10100 Plate & Sheet | Seamless Tube & Pipe | Round, Square & Flat Bar | Bare Copper Wire | Custom CNC Machined Parts |
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| Best For: High-power cold plates, UHV flanges, and heavy-duty heat sinks. | Best For: Liquid cooling loops, induction coils, and UHV gas lines. | Best For: High-current busbars, heavy-duty electrodes, and fasteners. | Best For: Signal transmission, ultra-fine windings, and cryogenic sensors. | Best For: UHV flanges, RF cavities, and complex per-drawing assemblies. |
| Key Specs: Precision leveled to ensure strict C10100 plate flatness tolerance. | Key Specs: Max 5ppm O ensures vacuum-tight integrity without outgassing. | Key Specs: 101% IACS conductivity minimizes I-squared R losses. | Key Specs: 99.99% purity prevents signal jitter and resistivity spikes. | Key Specs: Uniform grain structure for mirror-like Ra surface finishes. |
| [View Plate Specs →] | [View Tube Specs →] | [View Bar Specs →] | [View Wire Specs →] | [Request Machining →] |
Email Your Drawings for a Technical Review
Technical Resource Hub
Shielding & PCBs
Precision Processing
Quality Assurance & Vacuum Packaging
Because C10100 is 99.99% pure, it is highly reactive to moisture. We take extreme precautions to ensure your material arrives in "mill-bright" condition.
Chemical Verification: Every master coil is sampled and tested via Spark-OES or ICP-OES to confirm the Cu+Ag purity exceeds 99.99%.
Conductivity Testing: We verify a minimum of 101% IACS conductivity on every batch.
Vacuum Packaging Protocol: Each coil is wrapped in VCI (Volatile Corrosion Inhibitor) paper, then vacuum-sealed in heavy-duty poly bags before being placed in reinforced, fumigated wooden cases.
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