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RE: rebar from 1971

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Title: RE: rebar from 1971

400 MPa rebar has been standard in Canada for a looooong time. That would be 58 ksi.  Probably produced to meet the ACI 60 ksi standard too.

Try http://www.cpca.ca for more information

-----Original Message-----
From: David Handy [mailto:dhandy(--nospam--at)trg.ca]
Sent: Friday, August 27, 1999 08:47
To: seaint(--nospam--at)seaint.org
Subject: rebar from 1971


Does anyone have any documentation to verify the most likely grade of rebar
used for a job that was built in Canada in 1971. I have a CRSI manual that
suggests that ACI-1971 was based mostly upon grade 60(ksi). Is this likely
to be the case??