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Brand Name : JINXING
Model Number : WNIFE - Tungsten Heavy Alloy Molds
Certification : ISO 9001
Place of Origin : CHINA
MOQ : 10 kg
Price : Negotiable
Payment Terms : L/C, T/T, D/P, Western Union
Supply Ability : 2000 kg per month
Delivery Time : 15-20 days
Packaging Details : plywood cases
Product Name : Tungsten Heavy Alloy Molds
Type : 90WNiFe
Density : 16.2-18.5 g/cc
Purity : 90%W
Tensile Strength : 720-1400 MPa
Elongation : <10%
Standards : ASTM B777-2010
Applications : machined parts
Tungsten Heavy Alloy Molds 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 alloys weigh more than twice as much as steel.
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 absorption capacity: 30-40% higher than the general specific gravity of lead, high thermal conductivity: 5 times of die steel; Low thermal expansion coefficient: only 1/2-1/3 of steel, good electrical conductivity, good weldability and machinability.
A common method of manufacturing heavy tungsten alloys is to mix the desired amount of tungsten, iron, nickel, or copper powder and then cold press and liquid phase sintering to near full density. During the liquid phase treatment, the base tungsten alloy melts and causes some tungsten to enter the solution, forming a microstructure through which large tungsten particles (20-60μm) are dispersed in the base alloy.
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 |
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High Performance Machined Tungsten Alloy Mold 90WNiFe Images |