ASME SB-658 Zirconium 702 Pipe UNS R60702 For Corrosive Fluid Pipeline Systems
ASME SB-658 Zirconium Zr702 Pipe UNS R60702 For Corrosive Fluid Pipeline Systems
Zirconium Zr702 pipe is a kind of metal with strong corrosion resistance, which is suitable for chemical corrosion-resistant equipment. Its acid resistance is better than that of titanium and various steels, and close to that of tantalum. Zirconium is also quite stable in alkali solution. It is widely used in tube heat exchanger, serpentine tube heat exchanger, condenser, evaporator, pipeline and other heat exchange equipment.
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 (NOMINAL)
Density: 6.51 g/cc
Melting point: 1852°C
Thermal conductivity: 22 W/(m °C)
Elastic bending modulus: 99.6 GPa
Thermal expansions: 5.4x10 /°C
Zirconium Zr702 Pipe Specification
Executive standard: ASME SB-658 / ASTM b658-07
Zirconium Zr702 pipe outer diameter 6.0-114mm
Zirconium Zr702 pipe wall thickness 0.3-8.0 mm
Zirconium Zr702 pipe length ≤ 18000mm
APPLICATIONS
Zirconium tube is an alloy tube material made of zirconium and other metals. Due to the excellent nuclear and corrosion resistance of zirconium, zirconium alloy tubes are often used in the nuclear fuel assemblies and in core structures of water-cooled reactors. Pure zirconium tube is mainly used to manufacture chemical equipment.
Zirconium Zr702 Pipe Picture:
PACKAGING
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.
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