From the heart of Hamilton, New Zealand, Hemi Metals has built a strong reputation as a dedicated manufacturer and supplier of high-quality copper bar and rod. Our focus is on providing local industry with dependable, locally sourced materials that form the backbone of countless projects. We understand that reliability is key, which is why we ensure our copper products are consistently excellent, helping businesses across the region build with confidence and secure a robust supply chain for their essential operations.
The composition of our copper bar and rod is of the highest purity, primarily consisting of electrolytic tough pitch copper known for its exceptional electrical and thermal conductivity. This material offers a superb combination of strength and ductility, meaning it’s strong enough for structural applications yet easily machined, welded, and formed into complex shapes. Its natural corrosion resistance ensures longevity, making it a durable and reliable choice for even the most demanding environments and applications.
| Specifications | ASTM B187, ASTM B301 / ASME SB187, SB301 |
| Range | 3.17 MM TO 350 MM DIA |
| Form | Round, Square, Hex (A/F), Rectangle, Wire (Coil Form), Wire-mesh, Billet, Ingot, Forging Etc. |
| Material | Copper |
| ETP GRADE | |
|---|---|
| Copper Hex Bar | ø 8 mm to 110 mm |
| Copper Round | ø 7 mm to 120 mm |
| Copper Square Bar | 10*10 mm to 90*90 mm |
| Electrical Conductivity: – (% IACS) | 98.5% min |
| Standards | BS EN 13601:2013, IS: 191, 1897 & 613 |
| Specifications | Cu : 99.90%, 02<400ppm |
| Copper Round Rod C101 | |
|---|---|
| 6.3mm (1/4″) | 38.1mm (1 1/2″) |
| 9.5mm (3/8″) | 30mm |
| 12.7mm (1/2″) | 25.4mm (1″) |
| 12mm | 25mm |
| 10mm | 20mm |
| 16mm | 19mm (3/4 |
| Diameter in mm | Weight in Kg/m |
|---|---|
| 8 | 0,447 |
| 6 | 0,252 |
| 9,5 | 0,631 |
| 12 | 1,007 |
| 11 | 0,846 |
| 60 | 25,164 |
| 12,5 | 1,092 |
| 14 | 1,370 |
| 42 | 12,330 |
| 13 | 1,181 |
| 70 | 34,251 |
| 16 | 1,789 |
| 80 | 44,736 |
| 38 | 10,094 |
| 35 | 8,563 |
| 50 | 17,475 |
| 40 | 11,184 |
| 20 | 2,796 |
| 19 | 2,523 |
| 22 | 3,383 |
| 28 | 5,480 |
| 30 | 6,291 |
| 25 | 4,369 |
| 32 | 7,158 |
| 45 | 14,155 |
| Molecular Weight | 63.55 |
|---|---|
| Boiling Point | 2567 °C |
| Melting Point | 1083.4 °C |
| Density | 8.96 g/cm3 |
| Electrical Resistivity | 1.678 microhm-cm @ 20 °C |
| Appearance | Reddish Metal |
| Young’s Modulus | 110–128 GPa |
| Solubility in H2O | N/A |
| Heat of Fusion | 3.11 Cal/gm mole |
| Electronegativity | 1.9 Paulings |
| Poisson’s Ratio | 0.34 |
| Heat of Vaporization | 72.8 K-cal/gm atom at 2567 °C |
| Tensile Strength | N/A |
| Specific Heat | 0.092 Cal/g/K @ 25 °C |
| Thermal Expansion | (25 °C) 16.5 µm·m-1·K-1 |
| Thermal Conductivity | 4.01 W/cm/K @ 298.2 K |
| Vickers Hardness | 369 MPa |
Yes, Copper Bars and Rods can be susceptible to galvanic corrosion when in contact with dissimilar metals, particularly in the presence of moisture or electrolytes. Proper insulation helps prevent this.
Yes, Copper Bars and Rods are fully recyclable. The material retains its properties after recycling, making it an eco-friendly choice for sustainable industrial applications and reducing environmental impact.
Yes, Copper Bars and Rods can be used for natural gas applications. They offer excellent corrosion resistance and conductivity, making them suitable for gas systems, provided they are properly maintained.
The uses for copper bar and rod are incredibly diverse, forming essential components in electrical systems as busbars, connectors, and grounding rods. You’ll also find them at work in plumbing and heating for valves and fittings, and in architectural design for beautiful, lasting details. Their versatility extends to heavy machinery, marine components, and general fabrication, proving indispensable wherever superior conductivity, corrosion resistance, and easy workability are required to ensure a project’s success and longevity.
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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