ASTM B737 Standard Hafnium Rod Purity 99.95% Easy Processing Dia 6inch X 0.35inch
Brand Name:JINXING
Certification:ISO 9001
Model Number:Hafnium Rod
Minimum Order Quantity:1kg
Delivery Time:25 work days
Payment Terms:L/C, D/A, D/P, T/T, Western Union
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Hafnium Bar ASTM B737 Purity 99.95% Cyrstal Bar Dia 6inch x 0.35inch
ASTM B737 Standard covers two grades of wrought hafnium and hafnium alloy Hot Rolled or Cold Rolled
Grade R1 for nuclear applications, and Grade R3 for commercial applications.
- Description
Hafnium Bar and Hafnium Rod
Grade
Hf+Zr;99.95%; Zr<0.5%/Zr<1%/Zr<2%
Diameter0.236 to 4.7inch (6mm to 120mm).
Length: up to 236.22inch (6000mm)
Standard: ASTM B737-10
Hafnium Bar, Plate , Wire , Pellets , Cylinder can be used as evaporation material, sputtering target , A control rod for a nuclear reactor according to the present invention is such that neutron absorbing rods are surrounded with a second neutron absorber which differs in material from the neutron absorbing rods.
The main purpose is to produce hafnium nuclear reactor control rods. Pure hafnium has plasticity, easy processing, high temperature corrosion resistance, is an important material for atomic energy industry. Large thermal neutron capture cross section of hafnium is more ambitious neutron absorber control rods and can be used for protection of the nuclear reactor. It can be used for rocket propulsion. The cathode of an X-ray tube can be fabricated in the electrical industry. Hafnium alloy, and can be used for rocket nozzles aircraft gliding reentry leading edge protective layer, Hf-Ta alloy tool steel and can be fabricated of resistive material. In heat resistant alloy of hafnium is used as add elements, such as tungsten, molybdenum, tantalum alloys Some of hafnium increases. Because of the high melting point and hardness HfC, increasing agent can be used as carbide. 4TaC HfC a melting point of about 4215 ℃, the highest known melting point of the compound.
| Symbol: | Hafnium Rod |
| Atomic Number: | 72 |
| Atomic Weight: | 178.49 |
| Density: | 13.31 gm/cc |
| Melting Point: | 2227 oC |
| Boiling Point: | 4602 oC |
| Thermal Conductivity: | 0.230 W/cm/K @ 298.2 K |
| Electrical Resistivity: | 35.1 microhm-cm @ 25 oC |
| Electronegativity: | 1.3 Paulings |
| Specific Heat: | 0.035 Cal/g/K @ 25 oC |
| Heat of Vaporization: | 155 K-Cal/gm atom at 4602 oC |
| Heat of Fusion: | 6.0 Cal/gm mole |
| Thermal Neutron Cross Section: | 115 Barns |
ASTM B737 Standard Hafnium Rod Purity 99.95% Easy Processing Dia 6inch X 0.35inch
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