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RE: Brittle and Ductile steel elements

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No, ductility is measured as at least 14% elongation and at least 30% reduction in area.  I have a chart listing the following fasteners as ductile by this definition:

 

ASTM A307 A or B

 

ASTM A 354 BC or BD

 

ASTM A 449 Type 1

 

ASTM A 687

 

ASTM F 1554 GR 36, 55 or 105

 

 

Bob Garner, S.E.

 


From: Jnapd(--nospam--at)aol.com [mailto:Jnapd(--nospam--at)aol.com]
Sent: Wednesday, June 11, 2008 1:16 PM
To: seaint(--nospam--at)seaint.org
Subject: Brittle and Ductile steel elements

 

Hello All

 

In regard to anchors embedded in concrete ACI 318 App D regarding Brittle and Ductile steel elements

 

Is it correct to assume if the Fu of the bolt is 65ksi or less then it is Ductile and over 65ksi is Brittle ??

 

 

Joe Venuti
Johnson & Nielsen Associates
Palm Springs, CA




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