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Okoye Nickel Alloys is a renowned manufacturer and supplier based in Kinshasa, Congo, specializing in high quality nickel alloys and other advanced products With many years of industry experience and offering a wide range of materials including zirconium bars with good corrosion resistance , strength, high temperature – And famous for their performance is Okoye Nickel Alloys It promises to provide premium content tailored to meet the industry requirements variety, satisfying customers through superior products and services.
Zirconium Bar are made primarily of zirconium (Zr), which contain trace elements such as iron and nickel. They provide excellent corrosion resistance, especially in harsh environments such as acids and seawater. Technical features include high strength, good heat transfer and high temperature resistance. Zirconium has a high melting point (~1855°C) and retains its strength even at elevated temperatures. Advantages include biocompatibility, low neutron-capture cross section (ideal for nuclear applications), and durability in complex chemicals, making it suitable for aerospace, medical and nuclear applications.
| 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 |
At Okoye Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Zirconium Bar in Kinshasa, Congo, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Congo, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
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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.
