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Based in Cape Town, Cape Town, Themba Nickel Alloys has earned a solid reputation as a reliable manufacturer and global supplier of high-performance metal products, including top-notch zirconium bars. Serving key markets like the **Zirconium Bar Manufacturer in Cape Town, South Africa**, Themba is celebrated for its precision metallurgy, unwavering quality, and dedication to international standards. Their zirconium offerings are designed to excel in the toughest conditions, boasting remarkable corrosion resistance and mechanical strength. This makes Themba a go-to partner for zirconium bar manufacturers in the Cape Town, catering to industries such as nuclear energy, chemical processing, and aerospace engineering.
The zirconium bars supplied to the **Zirconium Bar Manufacturer in Cape Town, South Africa**, are typically made from high-purity zirconium (over 99.2% Zr), often enhanced with niobium to boost strength and corrosion resistance. These materials showcase impressive mechanical properties, including a tensile strength of up to 380 MPa and high ductility. Zirconium’s low thermal neutron absorption cross-section makes it a perfect fit for nuclear applications, while its exceptional resistance to acids and alkalis guarantees durability in harsh chemical settings. The bars remain stable even at elevated temperatures, making them ideal for both structural and process-critical uses.
| Standards : | ASTM B493 |
| Size : | 5.0mm diameter x L |
| Specification : | ASTM B550/550M-07 |
| Length : | 2m, 2.44m, 3m, or as required |
| Surface : | Turning, Grinding |
| Grade | Zr+Hf | Hf | Fe+Cr | Sn | H | N | C | O | Nb |
| R60702 | 99.2% | <4.5% | <0.20% | – | <0.005% | <0.015% | <0.030% | <0.15% | – |
| R60704 | 97.5% | <4.5% | 0.2-0.4% | 1.0-2.0% | <0.005% | <0.015% | <0.030% | <0.16% | – |
| R60705 | 95.5% | <4.5% | <0.2% | – | <0.005% | <0.015% | <0.050% | <0.16% | 2.0-3.0% |
| Molecular Weight | 91.22 |
|---|---|
| Appearance | White |
| Melting Point | 1852 °C |
| Boiling Point | 3580 °C |
| Density | 6506 kg/m3 |
| Solubility in H2O | N/A |
| Electrical Resistivity | 40.0 microhm-cm @ 20 oC °C |
| Electronegativity | 1.4 Paulings |
| Heat of Fusion | 5.50 Cal/gm mole |
| Heat of Vaporization | 120 K-Cal/gm atom at 4377 °C |
| Poisson’s Ratio | 0.34 |
| Specific Heat | 0.0671 Cal/g/K @ 25 oC °C |
| Tensile Strength | 230 MPa |
| Thermal Conductivity | 0.227 W/cm/K @ 298.2 K |
| Thermal Expansion | (25 °C) 5.7 µm·m-1·K-1 |
| Vickers Hardness | 903 MPa |
| Young’s Modulus | 88 GPa |
Zirconium bars produced in the South Africa using raw materials from Themba Nickel Alloys find their way into highly specialized and corrosive environments. They are commonly used in nuclear reactors, where zirconium’s low neutron absorption is essential, as well as in chemical processing plants that deal with aggressive acids like hydrochloric and sulfuric acid. Additionally, these bars are utilized in heat exchangers, pressure vessels, and marine equipment, thanks to their outstanding corrosion resistance and mechanical reliability.
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Zirconium bars are widely used in various industries due to their excellent corrosion resistance, superior texture and strength. In the nuclear industry, it is used as a fuel coating for reactors, because zirconium alloys are resistant to high temperatures and radiation. Besides being used in aerospace and space protection areas for heat shield, and chemical applications for corrosion management, zirconium alloys have applications in medical implants, ecological compatibility, and in ceramics, where durability and durability are valued.
