How do I find the pressure capacity of a tungsten tube?

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To determine the pressure capacity of a tungsten tube, one must consider the material's tensile strength and Young's Modulus, comparing it to stainless steel. The wall thickness and radius of the tube are crucial factors, as they influence the pressure resistance. While tensile strength provides a general idea, it does not directly correlate to the gas pressure that causes failure, as the relationship varies with the container's shape. The distribution of tension within the tube is also not uniform, which can affect performance under pressure. Understanding these factors is essential for accurately assessing the pressure capacity of tungsten tubes.
achilles89
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I am looking to find the maximum psi or atm capacity of a tungsten tube of 99.9% tungsten. How would I do this?
 
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how thick are the walls of the tube? And what is the radius of the tube?
 
I don't have a particular dimension of tube yet. I am more concerned with the general pressure resistance properties of tungsten as a material; I haven't been able to find much on how much pressure it can take when compared to a stainless steel tube of the same width/radius. Any ideas?
 
Look up Young's Modulus or Elastic Modulus (same thing) for both materials.
 
You can get a general idea regarding the relative resistance of the materials by comparing the tensile strength.
Here is a table that shows both steel and tungsten.
http://en.wikipedia.org/wiki/Ultimate_tensile_strength

However is just a very general idea. The distribution of the tensions in the is not uniform and the difference in elasticities may play a role too.
Besides, the tensile strength is not the pressure of the gas which will produce the breaking. The exact relationship between the pressure of the gas and the tension in the expanding walls depends on the shape of the container.
 

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