C10100 OFE Copper Plate

Henan Gnee New Material Co., Ltd. is one of the most professional manufacturers and suppliers of c10100 ofe copper plate in China, specialized in providing high quality copper products with competitive price. Welcome to buy discount c10100 ofe copper plate for sale here from our factory. Customized orders are welcome.

Guaranteed Purity: 100% immune to hydrogen embrittlement during high-temperature brazing.

Surface Quality: Supplied with protective PVC film to prevent scratching during transit and handling.

Ready-to-Machine: Tight flatness tolerances on thick plates reduce your initial facing and milling time.

Traceability: Every shipment includes a certified Mill Test Report (MTR) verifying chemical composition (spectrometer analysis) and physical properties.

We stock and process C10100 copper to meet various international standards. If you require custom thicknesses or non-standard widths, please contact our sales team.

Governing Standards: ASTM F68, ASTM B152, JIS C1011, DIN 2.0040
Available Tempers: O60 (Soft Annealed), H02 (Half Hard), H04 (Hard)

Standard Size Range Matrix

(Note: Metric and Imperial dimensions are available. Tight tolerance rolling can be requested for specific engineering requirements.)

Copper Purity (Cu + Ag): 99.99% Minimum

Oxygen Content (O): ≤ 0.0005% (Max 5 ppm) - Zero outgassing risk.

Electrical Conductivity: 101% IACS Minimum

Thermal Conductivity: 391 W/m·K (at 20°C)

Need the complete technical data?
For detailed chemical composition limits (including impurities like Phosphorus, Lead, and Bismuth), full mechanical properties (Tensile Strength, Yield Strength, Elongation across different tempers), and international cross-reference codes (UNS, EN, JIS), please visit our comprehensive material center:

[View Full C10100 OFE Copper Technical Data Sheet & Composition ➔] 

Request Certified MTR via Email

The physical shape of C10100 dictates its end-use. We process our flat-rolled OFE copper specifically for the following demanding sectors:

Ultra-High Vacuum (UHV) Flanges & Base Plates (Thick Plates):
Because C10100 is smelted in a vacuum, thick plates contain no microscopic gas pockets. When machined into vacuum flanges or base plates, they guarantee zero outgassing and a leak-tight seal, essential for particle accelerators and semiconductor equipment.

Heat Sinks & Cold Plates (Medium Plates/Sheets):
With a thermal conductivity of 391 W/m·K, CNC-machined OFE copper plates are the premier choice for drawing heat away from high-power electronics and EV battery modules.

High-Current Busbars & Connectors (Sheets & Strips):
Achieving a minimum of 101% IACS, our C10100 sheets are cut and formed into electrical contacts, switchgear components, and MRI scanner pathways where electrical resistance must be minimized.

Stop paying for scrap material and freight for weight you don't need. We offer extensive in-house processing to deliver ready-to-use C10100 copper blanks and finished parts.

Precision Waterjet Cutting: The best method for thick C10100 plates. Waterjet cutting is a cold process, meaning it does not create a Heat-Affected Zone (HAZ), perfectly preserving the copper's original temper and metallurgical properties.

Laser Cutting: For thin sheets (<4mm), we provide high-speed, burr-free laser cutting for complex flat profiles and gaskets.

CNC Machining: Need your plates turned into finished UHV flanges? We provide high-precision CNC milling, drilling, and tapping to your CAD drawings.

Surface Treatment: We offer ultrasonic cleaning and optional silver/tin plating for electrical contact surfaces.

Beyond plates and sheets, GNEE METAL provides a complete ecosystem of ASTM B170 Grade 1 copper. Select the geometry that matches your thermal and electrical requirements.

Email Your Bill of Materials (BOM)

Copper is highly susceptible to surface oxidation and physical denting. We treat packaging as a critical quality control step:

Scratch Prevention: All standard sheets and polished plates are protected with double-sided PVC peel-off film.

Anti-Oxidation: Cut pieces and full sheets are tightly wrapped in VCI (Volatile Corrosion Inhibitor) paper and hermetically sealed to block moisture during ocean freight.

Secure Crating: Orders are packed in heavy-duty, fumigated wooden crates with solid bases to prevent any bending or warping of the plates during transit.

Q: Do you require a Minimum Order Quantity (MOQ) for custom-cut plates?
A: We understand that prototype UHV projects often require small quantities. We keep standard plates in stock and can provide custom waterjet-cut blanks with very low MOQs. Contact us with your dimensions for a specific quote.

Q: Can you guarantee the flatness of thick C10100 plates for CNC machining?
A: Yes. We source our plates from mills that utilize precision stretch-leveling. If your application requires ultra-tight flatness tolerances (e.g., for direct mounting of heat sinks), please specify this in your RFQ, and we will select and verify the material accordingly.

Q: Will the cutting process affect the 100% IACS conductivity?
A: Not when processed correctly. For thick plates, we strictly use abrasive waterjet or band saw cutting. Because no excessive heat is applied, the electrical conductivity and material temper remain completely unchanged.

Operating as a fully integrated copper manufacturing facility, we maintain strict control over our C10100 OFE copper plates and sheets from raw material to final fabrication. Our production floor is equipped with precision cold rolling mills and tension levelers to guarantee the exceptional flatness and tight thickness tolerances required for UHV and semiconductor applications. To provide custom-cut blanks and ready-to-machine parts, we utilize heavy-duty multi-axis CNC waterjet cutters (ensuring zero heat-affected zones), high-speed laser cutting systems, and CNC milling centers. Backed by our in-house metallurgical laboratory featuring Optical Emission Spectrometers (OES) and ultrasonic testing, we verify that every plate leaving our factory strictly meets the 99.99% purity and <5 ppm oxygen limits before export packaging.

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