Customized Tungsten Molybdenum Alloys Rods
Description
An alloy composed of tungsten and molybdenum. Commonly used tungsten-molybdenum alloys contain 30% to 50% tungsten (by mass). Tungsten molybdenum alloys are produced in the same way as molybdenum metal and molybdenum alloys, i.e., both powder metallurgy post-sintering processing and smelting processing to produce rods, plates, wires or other profiles.
Tungsten molybdenum alloys containing 30% tungsten (by mass) have excellent corrosion resistance to liquid zinc and are used in the manufacture of stirrers, pipe and vessel linings and other components in the zinc refining industry. Tungsten molybdenum alloy can be used as high-temperature components in rockets and missiles, filaments and parts of electronic tubes and other high-temperature materials under corresponding high-temperature conditions because of its good high-temperature strength and similar performance to tungsten and smaller specific gravity than tungsten.
Properties
Typically content is MoW 70:30 ,MoW 50:50 and MoW 80:20
|
Type |
Content % |
Impurity less than% |
|||||||||
|
Mo |
W |
Total impurity |
Fe |
Ni |
Cr |
Ca |
Si |
O |
C |
S |
|
|
MoW50 |
50±l |
Rest |
<0.07 |
0.005 |
0.003 |
0.003 |
0.002 |
0.002 |
0*05 |
0.003 |
0.002 |
|
MoW30 |
70±1 |
Rest |
<0.07 |
0.005 |
0.003 |
0.003 |
0.002 |
0.002 |
0.005 |
0.003 |
0.002 |
|
MoW20 |
80±1 |
Rest |
<0.07 |
0.005 |
0.003 |
0.003 |
0.002 |
0.002 |
0.005 |
0.003 |
0.002 |
Molybdenum Tungsten Alloy Rod density table :
|
Type |
Density g/ cm3 |
|
MoW50 |
12.0—12.6 |
|
MoW30 |
10.3 — 11.4 |
|
MoW20 |
10.5〜11.0 |
Features
High melting point
Low thermal expansion
High electrical resistance
Low vapour pressure
Good thermal conductivity
Applications
Molybdenum-tungsten alloy rods is made of tungsten and molybdenum powder by shaping, sintering, forging, straightening and polishing. Molybdenum-tungsten alloy rods is usually used to make heating elements, cathode filament and other components.
Our molybdenum-tungsten alloy rods has no obvious camber, crack, burr, peel and other defects affecting the further uses.
With special equipments we can precisely get the overall density of molybdenum-tungsten alloy rods, which may reflect the real performance of the molybdenum-tungsten rods. The possible internal injuries of molybdenum-tungsten alloy rods such as porosity, slag and cracks are doubly strictly inspected to ensure the quality of our molybdenum-tungsten alloy rods.
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