C10100 / C101 (Oxygen-Free Electronic Copper)
Chemistry, mechanical properties, physical properties, and practical selection notes for rolled C10100 products.
Performance & Use Notes
- High purity OFE copper; selected for very high conductivity and low oxygen.
- Used in electronics, vacuum, and applications where oxygen content is critical.
Standards & Designations
UNS C10100 ♦ ASTM B152/B187 (by form)
Data Tables
- Very high purity OFE copper; min electrical conductivity 101% IACS in annealed condition.
| Chemical composition | Limits (Copper.org) |
|---|---|
| Cu | 99.99% min |
| O | 0.0005% max |
Values shown are typical/spec limits at room temperature unless noted; requirements vary by product form, size, and specification.
C10100 oxygen free electronic copper from Source21 is the highest purity copper available, refined to 99.99 percent oxygen free content for exceptional electrical and thermal conductivity. Delivering 101 percent IACS conductivity this premium copper grade is hydrogen embrittlement free and offers excellent polishability and weldability, making it the preferred material for precision electrical and vacuum applications. It is widely used in semiconductor hardware RF waveguides bus bars cryogenic components and high purity conductors where performance consistency and cleanliness are critical. C10100 copper is offered in a full range of tempers from annealed for maximum conductivity and formability to extra hard for superior stiffness and dimensional stability, supporting applications from vacuum fittings and clean room tubing to stacked bus systems.
Source21 supplies C10100 copper in coil, strip, sheet, foil, bar, plate, and bus bar, all produced to ASTM B152, ASTM B187, and CDA C10100 standards.
Contact the Source21 team to place an order discuss temper selection or receive expert guidance for high performance copper applications backed by reliable supply and responsive service.
Source21 supplies C10100 copper in coil, strip, sheet, foil, bar, plate, and bus bar, all produced to ASTM B152, ASTM B187, and CDA C10100 standards.
Contact the Source21 team to place an order discuss temper selection or receive expert guidance for high performance copper applications backed by reliable supply and responsive service.