ASTM B523 Zr702 Zirconium Tube UNS R60702 For Heat Exchanger Applications
ASTM B523 Zirconium Zr702 Tube UNS R60702 for heat exchanger applications
Zirconium Zr702 Tube is a kind of rare metal, with amazing corrosion resistance, high melting point, super hardness and strength. Zirconium tube 702 is widely used in aerospace, military industry, nuclear reaction and atomic energy. General industrial zirconium is mainly used in chemical and electronic industry, mainly used in the corrosion resistance and conductivity of zirconium tube.
CHEMICAL COMPOSITIONS (NOMINAL)
| Type | Zr+Hf | Hf | Fe+Cr | H | N | C | O | Nb |
|---|---|---|---|---|---|---|---|---|
| Zr702 | >99.2 | <4.5 | <0.2 | <0.005 | <0.025 | <0.05 | <0.16 | / |
| Zr705 | 95.5 | <4.5 | <0.2 | <0.005 | <0.025 | <0.05 | <0.18 | 2.0-3.0 |
PHYSICAL PROPERTIES
Density: 6.51 g/cc
Melting Point: 1852°C
Thermal conductivity: 22 W/(m °C)
Elastic bending modulus: 99.31GPa
Thermal Expansions: 5.4x10 /°C
Zirconium Zr702 Tube SPECIFICATION
The dimensional accuracy and surface quality of the pipe are required to be high. Therefore, the process equipment should have good precision, and the design and manufacture of the die should be advanced and reasonable.
Zirconium Zr702 Tube Picture:
Processing
The processing specification has a sensitive influence on the performance of the product. In particular, the cold processing and heat treatment process before the finished product should be controlled to meet the requirements of use.
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