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Astm B777 Machined Heavy Tungsten Alloy Tube High Density
Astm B777 Machined Heavy Tungsten Alloy Tube High Density
Astm B777 Machined Heavy Tungsten Alloy Tube High Density Astm B777 Machined Heavy Tungsten Alloy Tube High Density Astm B777 Machined Heavy Tungsten Alloy Tube High Density Astm B777 Machined Heavy Tungsten Alloy Tube High Density Astm B777 Machined Heavy Tungsten Alloy Tube High Density

Astm B777 Machined Heavy Tungsten Alloy Tube High Density

Product Details:
Place of Origin: CHINA
Brand Name: JINXING
Certification: ISO 9001
Model Number: WNiFe - Heavy Tungsten Alloy Tube
Payment & Shipping Terms:
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
Product Name: Heavy Tungsten Alloy Tube Type: 93/95WNiFe
Density: 16.5-18.5 G/cc Purity: 93%~95% W
Tensile Strength: 770-1400 MPa Elongation: <9%
Standards: ASTM B777-2011 Applications: Spare Parts
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Product Description

Astm B777 Machined High Density Heavy Tungsten Alloy Tube

Heavy Tungsten Alloy Tube is an alloy material based on tungsten (the content of tungsten is generally 80%~98%), and a small amount of Ni, Fe, Cu, Co, Mo, Cr and other elements are added. The density of high specific gravity tungsten alloy is as high as 15.20~18.70g/cm3, it is also called high specific gravity tungsten alloy or high density alloy material. Because the weight of tungsten alloy is more than twice that of iron or steel.

 

SPECIFICATIONS & CHEMICAL COMPOSITIONS  (NOMINALS)

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 Tube Picture:

Astm B777 Machined Heavy Tungsten Alloy Tube High Density 0Astm B777 Machined Heavy Tungsten Alloy Tube High Density 1

 

Introduction and characteristics of Heavy Tungsten Alloy Tube

Tungsten heavy alloy has a series of excellent characteristics, high specific gravity: general specific gravity is 16.5-18.75g/cm3, high strength: tensile strength is 700-1000Mpa, strong ability to absorb rays: its capacity is 30-40% higher than that of lead, heat conduction Large coefficient: 5 times that of die steel; small thermal expansion coefficient: only 1/2-1/3 of iron or steel, good electrical conductivity; good weldability and workability.

 

The common process for preparing tungsten heavy alloys involves mixing the required amount of tungsten, iron, nickel or copper powder, then cold pressing and liquid phase sintering to almost full density. During the liquid phase treatment, the base tungsten alloy melts and brings some tungsten into the solution, thereby forming a microstructure through which large tungsten particles (20-60μm) are dispersed in the base alloy.

 

Application of Heavy Tungsten Alloy Tube

An important use of high-density tungsten alloys is used in aircraft and helicopter lift control and rudder balance devices, aircraft wings and rudder control devices, and aircraft shock absorbers. Used as rotor blade static and dynamic balance weight and shock absorption device on helicopters.

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