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RE: Grade @ Anchor Bolts

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Nicholas,

Per SAE J429, Grade 2
	Nominal Size 1/4 thru 3/4
		Full Size Bolts
		Proof Load = 55,000 psi
		Tensile Strength = 74,000 psi

		Machine Test Specimens
		Yield Strength = 57,000 psi
		Tensile Strength = 74,000 psi

	Nominal Size over 3/4 to 1 1/2
		Full Size Bolts 
		Proof Load = 33,000 psi
		Tensile Strength = 60,000 psi

		Machine Test Specimens
		Yield Strength = 36,000 psi
		Tensile Strength = 60,000 psi


Regards,
Harold Sprague


> -----Original Message-----
> From:	Nicholas Blackburn [SMTP:nblackburn(--nospam--at)fdgoak.com]
> Sent:	Monday, August 14, 2000 5:17 PM
> To:	'seaint(--nospam--at)seaint.org'
> Subject:	Grade @ Anchor Bolts
> 
> Can anyone tell me what mechanical properties I can expect for a Grade 2
> anchor bolt.  Our drawings indicated an A307 anchor bolt which the
> contractor's supplier said was not made.
> 
> Thanks
> 
> Nicholas Blackburn, PE
> 


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