WNiFe WNiCu Grounded Heavy Tungsten Alloy Bar ASTM B777
Heavy Tungsten Alloy Bar is based on tungsten (tungsten content is generally 80% ~ 98%), adding a small amount of nickel, iron, copper, cobalt, molybdenum, chromium and other elements of the alloy material. 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 alloys weigh more than twice as much as steel.
SPECIFICATIONS & CHEMICAL COMPOSITIONS (NOMINAL)
| 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 |
Heavy Tungsten Alloy Bar Picture:
What is Heavy Tungsten Alloy Pipes?
Heavy tungsten alloy is mainly divided into two series: W-Ni-Fe and W-Ni-Cu, and even W-Ni-Fe-Cu. In contrast, W-Ni-Fe alloy has good mechanical properties and plays an important role in various fields of national defense industry and national economy. It is a very important new military material in national defense industry and has been gradually promoted to various civil industries.
The tungsten content in tungsten alloys varies between 90% and 98%, which is responsible for their high density (16.5 to 19.00 g/cc). Nickel, iron and/or copper are used as metal adhesive substrates to hold brittle tungsten particles together, making the tungsten alloy ductile and easy to work. Ferric nickel-nickel is the most commonly used additive with a ratio of 7Ni:3Fe or 8Ni:2Fe (by weight).
Application of Heavy Tungsten Alloy Bar
The United States has developed a 97W-2.1Ni-0.9Fe alloy with an 80-gram warhead that can penetrate an inch thick military steel plate at a limit speed of 3,580 ft/s.
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WNiFe WNiCu Grounded Heavy Tungsten Alloy Bar ASTM B777 Images
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