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Re: Grade 40 #8 rebar

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Sounds like the contractor is refering to the metric designation on the bar.
If it is grade marked '4', it does not mean grade 40!
It would mean grade 420 (620MPa) which means it meets ASTM 615.

Steven A.
Los Angeles



Mark Geoghegan wrote:

> ASTM A615 states that Grade 40 rebar is only available in #3 to #6.
>
> I have a contractor (in a remote island in the Pacific, US specifications,
> but possibly foreign supply) who is insisting that the #8 rebar for their
> new project is Grade 40. Anyone ever heard of #8 Grade 40 rebar?
>
> TIA
>
> Mark Geoghegan
> Honolulu, HI
>
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