95WNiCu Tungsten Heavy Alloy Nozzle For High Temperature Resistance Parts
95WNiCu Tungsten Heavy Alloy Nozzle For High Temperature Resistance Parts
Tungsten Heavy Alloy Nozzle is made of tungsten base (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 can reach 15.20 ~ 18.70g/cm3, also known as high specific gravity tungsten alloy or high density alloy material. Because tungsten alloys weigh more than twice as much as steel.
Introduction and Feature of Tungsten Heavy Alloy Nozzle
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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: 30-40% higher than the general lead specific gravity, high thermal conductivity: mold is 5 times of steel; Low coefficient of thermal expansion: capacity only 1/2/1/3 of steel, good electrical conductivity, welding and cutting resistance.
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The usual method for preparing heavy tungsten alloys is to mix the desired amount of tungsten, iron, nickel or copper powder and then cold press the liquid phase to close to full density. During the liquid phase treatment, the base tungsten alloy melts and part of the tungsten enters the solution, forming the microstructure of large tungsten particles (20-60μm) dispersed in the base alloy.
SPECIFICATIONS of Tungsten Heavy Alloy Nozzle
| 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 |
Application of Tungsten Heavy Alloy Nozzle
- Tungsten Heavy Alloy Nozzle is made of high - gravity tungsten alloy. The wear resistance, hardness, strength and heat resistance of the alloy are further improved to better ensure product consistency. Because of these characteristics, tungsten-iridium flow hole has become an indispensable equipment part in the high-tech crystal glass industry.
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