Originally Posted by ronlaughlin

I copied these definitions, and psi numbers off the internet.



Yield Strength: The maximum load at which a material exhibits a specific permanent deformation

So the 18-8 stainless will begin to deform at 80,000 psi. 80,000 psi will not cause the 18-8 stainless to fail, just bend.




Tensile Strength: The maximum load in tension (pulling apart) which a material can withstand before breaking or fracturing.

The 18-8 stainless has a tensile strength of 125,000 psi. One can see that it takes considerable more pressure to actually break 18-8 stainless when one tries to pull it apart.



One should also consider, when used as a ventliner, the 18-8 stainless is being used in compression, not tension. It seems apparent to me, that when used as a ventliner, the 18-8 stainless is considerably stronger than the 125,000 psi of tension, and as such, probably won't be the first component to fail, if one double or triple loads, or worse; a muzzle loader.