Based in the industrious heart of Hamilton, New Zealand, Hemi Metals has built a strong reputation as a trusted manufacturer and supplier of high-quality non-ferrous metals. We take pride in offering a robust selection of materials, with our Copper C10940 Bar and Rods standing as a prime example of our commitment to excellence. This particular alloy, known for its superior electrical conductivity and reliability, is a cornerstone for countless local and international projects, reflecting our dedication to supporting industry with dependable, locally sourced products.
Copper C10940, or Oxygen-Free Electronic (OFE) copper, is distinguished by its exceptional purity, exceeding 99.99% copper. This meticulous composition is what grants the material its outstanding electrical conductivity, making it a top choice for critical electronic applications. The bars and rods produced from this grade are not only highly conductive but also offer excellent ductility and formability, allowing them to be easily shaped and fabricated without sacrificing their inherent strength and durability for demanding environments.
| Thinckness: | 5-300mm,etc | Length: | 500-12000mm or customization |
| Machining: | Customization | Standard: | ASTM,AISI,JIS,GB, DIN,EN |
| Surface Finish | Mill, polished, bright, oiled, brush, mirror, sand blast, or as required. | ||
| Certification: | ISO, DFARS, REACH RoHS | Trade terms | FOB,CRF,CIF,EXW all acceptable |
| Loading Port | – | Delivery time | – |
| Copper | C10940 | ||
| T1,T2,T3,TU1,TU0,TU2,TP1,TP2,TAg0.1, | |||
| ASTM | |||
| Element | Content (%) |
|---|---|
| Copper, Cu | 99.9 |
| Oxygen | 0.02 max |
| Silver | 0.085 |
| Properties | Metric | Imperial |
|---|---|---|
| Density | 8.9 gm/cm3 | 0.323 lb/in3 |
Yes, Copper C10940 Bars and Rods can be susceptible to galvanic corrosion when in contact with dissimilar metals, particularly in the presence of an electrolyte. Proper insulation or coatings help prevent this.
Yes, Copper C10940 Bars and Rods are fully recyclable. The material retains its key properties after recycling, making it an environmentally sustainable option for industrial use and reducing waste.
Yes, Copper C10940 Bars and Rods can be used for natural gas applications. They offer excellent corrosion resistance and conductivity, but additional protection may be needed in harsh or high-pressure environments.
The exceptional properties of our C10940 bars and rods make them indispensable across a wide spectrum of industries. They are the preferred material for high-vacuum electronics, sophisticated semiconductor components, and powerful waveguides, where absolute reliability is non-negotiable. Beyond electronics, their excellent thermal conductivity is prized for high-performance heat exchangers and specialized cooling systems. From intricate scientific instruments to robust industrial machinery, this material provides the essential backbone for technologies that demand the very best in performance and consistency.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Hemi Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Hamilton New Zealand
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