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Shear Strength of Stainless Steel 1

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drawoh

drawoh

Mechanical
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How do I find the shear stress of stainless steel? I have found a reply on that quotes .577[σ]u, but I do not know how reliable this is. None of the handbooks quote it, and neither does Matweb.com.

Is there something weird about stainless steel that I need to know?

--
JHG
 
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I assume you referring to the ultimate shear strength? This is usually ~0.6*UTS. If you search Eng-Tips for octahedral shear stress, you will find previous threads that discuss this topic.
 
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There are books about just how weird it is, but the first problem you'll run into is that it work hardens, a lot.

Browse the Special Metals website for more detail than you can stand.
Then do the same for Allegheny Ludlum and Outokumpu and Carpenter Technology.





Mike Halloran
Pembroke Pines, FL, USA
 
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If you are talking about annealed 300 alloys then the low yield and high work hardening make them rather strain rate dependent.
For either a cold worked SS or a PH grade I would take 58% of UTS and be happy.

= = = = = = = = = = = = = = = = = = = =
Plymouth Tube
 
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EdStainless,

Thank you.

The screws are holding mounting feet onto an airborne rack that must survive a 9G crash. How would that strain rate affect everything?

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JHG
 
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I believe NASA's Fastener Design Manual shows:
Alloy and carbon steels ultimate shear stress = 0.6 Ftu
Stainless steels ultimate shear stress = 0.55 Ftu
 
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well it appears the link is down & can not be reconnected.
I happen to downloaded yesterday.

so I am set.

Mfgenggear
 
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