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RE: Use of structural steels at elevated temperature

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Look in the ASME Boiler and Pressure Vessel Code, Section VIII, Division 1,
Tables UCS-23.  212 F doesn't sound like a problem, as I recall the tables.

	-----Original Message-----
	From:	Paul Meyer [SMTP:PMeyer(--nospam--at)HASimons.com]
	Sent:	Monday, January 18, 1999 3:59 PM
	To:	'seaint(--nospam--at)seaint.org'
	Subject:	Use of structural steels at elevated temperature

	Does anyone have a reference (Code-based or otherwise) suggesting
the degree
	to which yield strength of structural steels is affected by elevated
	temperature?

	I am thinking of CSA G40.20 350W or ASTM A572 grade 50 rolled
W-shapes.  In
	general the temperature will be below 100 C (212 F).  Is this high
enough to
	affect strength.  (yes...we are taking expansion into account as
part of the
	design...)

	Paul Meyer
	250-368-2407
	pmeyer(--nospam--at)hasimons.com