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RE: Welding Anchor Bolts

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I'm a little dubious about welding on A 307 since the carbon is
uncontrolled.  At the least, you would want to know the carbon equivalent to
determine preheat/postheat requirements similar to welding A 615 rebar.

	-----Original Message-----
	From:	John W. Bryan [SMTP:jaybryan(--nospam--at)voicenet.com]
	Sent:	Tuesday, December 29, 1998 8:16 AM
	To:	seaint(--nospam--at)seaint.org
	Subject:	Welding Anchor Bolts

	We have encountered a field condition with misplaced anchor bolts,
whereby
	in some instances we are getting only a couple of threads engagement
between
	the bolt and the nut.  These are 11/4 inch ASTM A307 anchor bolts.
The
	question is, would it be acceptable to plug weld the nut to the
bolt?  If
	so, are there any special welding procedures to be specified?
	Thanks for any advice.