introduction
Dinesh Tube India is leading manufacturer, exporter & suppliers of high-quality Zirconium 702 Flanges in India as well as all over the world. Zirconium 702 Flanges, available in a variety or grades, materials, and finishes, in metric and inch sizes. Zirconium 702 Flanges (ASTM B493 and B550 & ASME SB493 and SB550) are also known as UNS R60702 which reactive metal that has a high affinity for oxygen resulting in the formation of a protective oxide layer in air at room temperature. The protective oxide layer gives Zirconium alloys their prevalent consumption resistance. This oxide layer can be improved through a warmth treating process. A legitimately shaped upgraded oxide layer serves as an amazing bearing surface against an assortment of materials, grants great disintegration resistance in high-speed frameworks and can enhance the corrosion resistance in certain aggressive environments. Zirconium 702 Flanges are available in welded and seamless forms These Flanges are available in various sizes, shapes as per the requirements of our clients.
Specification:
| Molecular Weight | 91.22 |
| Appearance | White |
| Melting Point | 1852 °C |
| Boiling Point | 3580 °C |
| Density | 6506 kg/m3 |
| 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 |
Chemical Composition Of Zirconium 702 Flanges:
| Zr+Hf | Hf | Fe+Cr | H | N | C | O |
| ≥99.2 | ≤4.5 | ≤0.2 | ≤0.005 | ≤0.025 | ≤0.05 | ≤0.16 |
Mechanical properties Of Zirconium 702 Flanges:
| Mechanical Properties Of Zirconium | ||
| Properties | Metric | Imperial |
| Tensile strength (annealed) | 330 MPa | 47900 psi |
| Yield strength (annealed) | 230 MPa | 33400 psi |
| Modulus of elasticity | 94.5 GPa | 13700 ksi |
| Poissons ratio | 0.34 | 0.34 |
| Elongation at break (annealed) | 32% | 32% |
| Hardness, Brinell | 145 | 145 |
| Hardness, Rockwell A | 49 | 49 |
| Hardness, Rockwell B | 78 | 78 |
| Hardness, Vickers (annealed sample) | 150 | 150 |
Types Of Zirconium 702 Flanges:
- Thermal power stations
- Nuclear power sector
- Oil & Gas Production
- General Process Engineering
- Buildings & construction
- Household pipelines
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