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Shear Strength of Stainless Steel

thread723-330830

Shear Strength of Stainless Steel

Shear Strength of Stainless Steel

(OP)
How do I find the shear stress of stainless steel? I have found a reply on http://wiki.answers.com that quotes .577σu, 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

RE: Shear Strength of Stainless Steel

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.

RE: Shear Strength of Stainless Steel

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

RE: Shear Strength of Stainless Steel

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

RE: Shear Strength of Stainless Steel

(OP)
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?

--
JHG

RE: Shear Strength of Stainless Steel

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

RE: Shear Strength of Stainless Steel

JohnSchwaner

Good find

Mfgenggear

RE: Shear Strength of Stainless Steel

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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