High Performance Machined Tungsten Alloy Mold 90WNiFe

Product Details:
Place of Origin: CHINA
Brand Name: JINXING
Certification: ISO 9001
Model Number: WNIFE - Tungsten Heavy Alloy Molds
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

Detail Information

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
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Tungsten Alloy Mold 90WNiFe


Machined Tungsten Alloy Mold


90WNiFe Tungsten Alloy Molud

Product Description

High Performance Machined Tungsten Heavy Alloy Molds 90WNiFe

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.


What is Tungsten Heavy Alloy Molds?

  • 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
16.85-17.25 17.15-17.85 17.75-18.35 18.25- 18.85
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
770 Min 910 Min 1440 Max 735 Min 920 Min 700 Min 850 Min
Yield Strength
620 Min 620 Min 1280 Max 650 Min 650 Min 1340 Max 650 Min 650 Min - -
5 Min 15 Min 5 Min 5 Min 12 Min 3 Min 3 Min 12 Min 2 Min 6 Min

​Tungsten Heavy Alloy Molds Picture:
High Performance Machined Tungsten Alloy Mold 90WNiFe 0High Performance Machined Tungsten Alloy Mold 90WNiFe 1High Performance Machined Tungsten Alloy Mold 90WNiFe 2

Application of Tungsten Heavy Alloy Molds

  1. Die mould is a low-chip, no-chip precision casting process that can directly manufacture components with complex shapes. Single process, high yield, no holes, saving raw materials, especially in ferrous metal die casting, the working conditions of the mold are very harsh, it must withstand high temperature, high pressure and the erosion of metal flow, and can resist corrosion, oxidation and thermal shock . Due to its good thermal conductivity and corrosion resistance, high specific gravity tungsten alloy is a better die-casting mold material. Compared with copper molds, the service life is increased by several tens of times.

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