95WNiFe Tungsten Heavy Alloy Pots For Medical Use
|Place of Origin:||CHINA|
|Model Number:||WNICU - Heavy Tungsten Alloy Molds|
Payment & Shipping Terms:
|Minimum Order Quantity:||10 kg|
|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|
|Product Name:||Heavy Tungsten Alloy Molds||Type:||90WNiCu|
|Density:||16.3 - 18.5 G/cc||Purity:||>90%W|
|Tensile Strength:||730-1400 MPa||Elongation:||<11%|
|Standards:||ASTM B777-2011||Applications:||Die Cast|
90WNiCu Heavy Tungsten Alloy,
90WNiCu Tungsten Alloy Molds,
Machined Tungsten Alloy Molds
Heavy Tungsten 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 mold steel; Low thermal expansion coefficient: only 1/2-1/3 of steel, good electrical conductivity, good weldability and machinability.
A common method of making heavy tungsten alloys is to mix tungsten, iron, nickel, or copper powder in the desired amount and then mix it with a cold press and liquid sinter 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.
|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|
|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|
Mold is a low-chip, chip-free precision casting process, which can directly produce complex shaped parts. Single process, high yield, no porosity, save raw materials, especially in iron metal die casting, mold working conditions are very bad, must be able to withstand high temperature, high pressure and metal flow erosion, and can resist corrosion, oxidation and thermal impact. High specific gravity tungsten alloy has good thermal conductivity and corrosion resistance, which is a good die casting material. Compared with the copper mold, its service life is increased dozens of times.
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