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Re: ASTM A-513

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I'll throw in my 2 ¢.

I believe ASTM 500 Structural Steel Tubing requires a Grade (A or B)
ASTM 513 has a Type 1 or 2...the Fy & Fu depend on the alloy (C1010 or C1020), the tube OD & the wall thickness 

the following material properties ranges apply

for 1010

Fu - 45 ksi to 48 ksi
Fy - 35 ksi to 40 ksi

for 1020

Fu - 55 ksi to 50 ksi
Fy - 36 ksi to 40 ksi

tubes .75" OD & smaller have the higher strengths & lower elongations (~15%)
.75" OD & larger with heavier walls have the lower strengths & higher elongations (~25%to 35%) 

I'd use 29,000 ksi for E

hope this helps
Robert Kazanjy

source was: Steel & Aluminum Stock List,  Earle M Jorgensen Co, 1974


George Richards P.E. wrote:


I am checking some ditsy guard rails:  Type 1 (HR) or Type 2 (CR) is what I
am checking to.  but I really just need to know what folks use for WI
guardrails.

Thanks,
George 
-----Original Message-----
From: Scott, William N. [mailto:William.Scott(--nospam--at)veco.com]
Sent: Friday, May 09, 2003 10:02 AM
To: 'seaint(--nospam--at)seaint.org'
Subject: RE: ASTM A-513


What grade?

-----Original Message-----
From: George Richards P.E. [mailto:george(--nospam--at)borm.com]
Sent: Thursday, May 08, 2003 4:55 PM
To: 'seaint(--nospam--at)seaint.org'
Subject: ASTM A-513


Can anyone give please give me the physical properties of ASTM-513 steel?
Fy, Fu, and E.

Thank you in advance,

George Richards, P. E.



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