Brian Fasteners provides Copper C10940 (High-Conductivity Phosphorus-Deoxidized Copper, CDA 103) rod and bar from Houston, with improved grain structure for better ductility and conductivity. Supplied to ASTM B170/B187, C10940 is appropriate for high-reliability electrical connectors, brazing rods, and vacuum tubes. Rods in different sizes and finishes are provided by us to fulfill the exacting requirements of aerospace, electronics, and special engineering.
C10940 is ≥99.95% Cu with phosphorus ~0.015–0.040%. Conductivity ≥100% IACS. Tensile ~205 MPa; yield ~90 MPa; elongation ~45%. Has good creep resistance and is easily soldered, welded, and formed.
| 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.
Applied in vacuum tubes, brazing rods, electrical contacts of special kind, and bellows. Also applied in semiconductor connectors, RF terminals, and instrumentation. Brian Fasteners offers C10940 rods for high-purity and high-performance electrical applications.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
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