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  1. Can we heat treat material?
    Mi-Tech Tungsten Metals can supply ASTM-B-777 Class 1, 2 and 3 material in heat-treated condition. Properties may vary depending upon size and configuration.
  2. What is the melting point of Tungsten alloy?
    Tungsten melts at 3410° C (6170° F). Nickel melts at 1453° C (2647° F) and iron melts at 1535° C ( 2795° F). Tungsten heavy alloy begins to form a liquid phase when heated in excess of 1450° C (2642° F).
  3. What size is ROTF?
    ROTF (rough oversized to finish) parts are manufactured with a minimum of .050” of stock material over the nominal of each dimension of the part.
  4. What are standard tolerances?
CW70E
Diameter Tolerance
< 1.000 +.005/-.000
>1.000 +.060/-.000
Rectangle Tolerance
Thickness +.010/-.000
Wclassth +.015/-.000
Square Tolerance
Thickness +.010/-.000
Wclassth +.010/-.000
Slabs Tolerance
Thickness +.010/-.000
Wclassth Clean Up
Discs Thickness Tolerance
Diameter 0" - 2" +.015/-.000
Diameter > 2" +.060/-.000

 

HD Material
Diameter Tolerance
<.250 +.015/-.000
> .250 & < 1.00 +.030/-.000
>1.00 +.060/-.000
Discs Thickness Tolerance
All Diameters Min

 

Other Infiltrated Material
Diameter Tolerance
<.500 +.005/-.000
> .500 &<1.00 +.015/-.000
> 1.00 +.060/-.000
Rectangle Tolerance
Width & Thickness +.015/-.000
Slabs Tolerance
Thickness +.015/-.000
Width Clean Up
Discs Thickness Tolerance
Diameter 0"-2" +.015/-.000
Diameter > 2" +.060/-.000

 

5.What is our capacity on sizes for composites?

Rings (All Materials)
Inside Diameter Tolerance
I.D. +.000/-.020
All other dimensions follow standard O.D. and Thickness Tolerances.

 

6. What are Mi-Tech Tungsten Metals' composite capabilities?

Material Rod Minimum (diameter x length) Rod Maximum (diameter x length) Maximum Weight Flat Bar Minimum Flat Bar Maximum
CW75 .05" x 8" 3.25" X 12" 75lbs * *
CW70E .05" x 8" 2” x 12" 50lbs * *
CW80 .125" x 8" 1" x 12" .125" x .125" x 8" 1.5" x 3" x 8"

* Consult Factory

 

Material Rod Minimum (diameter x length) Rod Maximum (diameter x length) Flat Bar Minimum Flat Bar Maximum
SW50 .06" x 8" .625" x 8" .125" x .25" x 8" .375 x 3" x 8"

SW65

SW74

.187" x 12" 1.25" x 12" .062" x .25" x 8" 1" x 4" x 8"

 

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