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Re: Aluminum 6063-T52 allowable bending stress

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According to "Caradon Indalex" 6063-T52 for a wall thickness of 1"
min tensile = 22 ksi, max = 30 ksi
min yield = 16 ksi, max = 25 ksi

Thor A Tandy  P.Eng
Victoria BC
e-mail: vicpeng(--nospam--at)
----- Original Message -----
Sent: Thursday, February 14, 2002 9:36 AM
Subject: RE: Aluminum 6063-T52 allowable bending stress

The "T" is just designating the temper designation (by thermal treating)....I looked in the Aluminum Association's "Aluminum Design Manual" and didn't see a listing for T52.......when it is welded it returns back to its annealed condition prior to the tempering thus the welded value of 8 ksi would be a conservative value to use I would think......

Robert C. Rogers, PE
Senior Structural Engineer
A.M. Kinney, Inc.
Consulting Engineers / Architects
150 East Fourth Street, 6th Floor
Cincinnati, Ohio 45202
PH: 513-421-2265, ext. 125
FX: 513-345-1318

-----Original Message-----
From: Ken Peoples [mailto:kspeoples(--nospam--at)]
Sent: Thursday, February 14, 2002 12:10 PM
To: Seaint
Subject: Aluminum 6063-T52 allowable bending stress

I need to do a handrail calculation for 6063-T52 aluminum pipe.  I have an NAAMM publication that tells me that the design bending stress for 6063-T5 and 6063 T532 is 11.5 ksi and that it is to be reduced to 8 ksi within 1" of welds.  Do any of you know if T52 would have the same design values?
Kenneth S. Peoples, P. E.
Lehigh Valley Technical Associates
1584 Weaversville Road
Northampton, PA 18067-9039
Phone: (610) 262-6345
Fax: (610) 262-8188