Tungsten Nickel Iron Alloy Weight Bolt
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Product Details:
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| Place of Origin: | CHINA |
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| Brand Name: | JINXING |
| Certification: | ISO 9001 |
| Model Number: | 90WNiFe - Tungsten Alloy Collimators |
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Payment & Shipping Terms:
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| Minimum Order Quantity: | 10 kg |
| Price: | Negotiable |
| Packaging Details: | plywood cases |
| Delivery Time: | 15-20 days |
| Payment Terms: | L/C, T/T, D/P, Western Union |
| Supply Ability: | 2000 kg per month |
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Detail Information |
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| Product Name: | Tungsten Alloy Collimators | Grade: | WNiFe |
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| Density: | 16.5-18.5 G/cc | Purity: | >90%W |
| Tensile Strength: | 740-1400 MPa | Elongation: | <10% |
| Standards: | ASTM B777-2011 | Applications: | Radioactive Shielded Use |
| Highlight: | Tungsten Alloy Collimators,90 WNiFe Tungsten Alloy Collimators,Tungsten Alloy Collimators For Radioactive Shielded |
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Product Description
Tungsten Alloy Collimators are made of tungsten matrix (tungsten content is generally 80%-98%) and a small amount of nickel, iron, copper, cobalt, molybdenum, chromium and other elements. The density of high specific gravity tungsten alloy is up to 15.20~18.70g/cm3, also known as high specific gravity tungsten alloy or high density alloy material. Because tungsten alloy weighs more than twice as much as steel.
| Chemical Composition | 90%W | 93%W | 95%W | 97%W | ||||||
| State | Sinter | Vacuum | Forge | Sinter | Vacuum | Forge | Sinter | Vacuum | Sinter | Vacuum |
| Density (g/cc) |
16.85-17.25 | 17.15-17.85 | 17.75-18.35 | 18.25- 18.85 | ||||||
| Hardness (HRC) |
32 Max | 30 Max | 40 Min | 33 Max | 31 Max | 40 Min | 34 Max | 32 Max | 35 Max | 33 Max |
| Tensile Strength (Max) | 770 Min | 900 Min | 1400 Max |
770 Min | 910 Min | 1440 Max | 735 Min | 920 Min | 700 Min | 850 Min |
| Yield Strength (Mpa) |
620 Min | 620 Min | 1280 Max | 650 Min | 650 Min | 1340 Max | 650 Min | 650 Min | - | - |
| Elongation (%) |
5 Min | 15 Min | 5 Min | 5 Min | 12 Min | 3 Min | 3 Min | 12 Min | 2 Min | 6 Min |
Tungsten alloy has a series of excellent properties, high specific gravity: general specific gravity 16.5-18.75g/cm3, high strength: tensile strength 700-1000mpa, strong light absorption capacity: higher than the general lead specific gravity 30-40%, high thermal conductivity: 5 times that of die steel; Low coefficient of thermal expansion: only 1/2-1/3 of steel, good electrical conductivity, good welding and cutting performance.
The common method of preparing heavy tungsten alloys is to mix the desired amount of tungsten, iron, nickel, or copper powder and then cold press liquid phase sintering to near full density. During the liquid phase treatment, the matrix tungsten alloy is melted, and part of the tungsten enters the solution to form microstructures, and large tungsten particles (20-60m) are dispersed in the matrix alloy.
Heavy tungsten disk is an ideal choice for shielding X-ray and gamma ray. High density tungsten shielding (60% higher than lead).
Heavy tungsten alloy shielding is mainly used in collimators, FDG containers, multi plate collimators, nuclear shielding, beam shielding, vial shielding, pet syringe shielding, isotope containers and other fields.
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