Selection of Bolts/ Washers for Structural Steel Members

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rajeshnair Member Join Date: Sep 2010 Location: India Posts: 6	Selection of Bolts/ Washers for Structural Steel Members 12/06/2011 2:56 AM
	Hi All, Which ASTM code is applicable for selection of bolts / nuts / washers for structural steel's bolted joints. Regards, Raj __________________ Rajesh Nair
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passingtongreen Guru Join Date: Aug 2009 Location: Glen Mills, PA. Posts: 2385 Good Answers: 114	#1 Re: Selection of Bolts/ Washers for Structural Steel Members 12/06/2011 12:19 PM
	Generally: A7 for minor parts such as handrail A325 High strength bolts, can be used in bearing or friction joints. A490 High strength bolts (higher than A325), can be used in bearing or friction joints. See the RCSC Specification for Structural Joints Using A325 or A490 Bolts. Latest edition, 2009 __________________ In a time of universal deceit, telling the truth is a revolutionary act. George Orwell
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CaptMoosie Guru Join Date: May 2009 Location: Red Hook, New York (Mid-Hudson River Valley) Posts: 4362 Good Answers: 179	#3 In reply to #1 Re: Selection of Bolts/ Washers for Structural Steel Members 12/07/2011 9:19 AM
	Darn it passington, you beat me to the answer yet again! Don't you ever sleep guy? LOL Another GA from me! __________________ "Veni, Vidi, Vici"; hendiatris attributed to Gaius Julius Caesar, 47 B.C.
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passingtongreen Guru Join Date: Aug 2009 Location: Glen Mills, PA. Posts: 2385 Good Answers: 114	#5 In reply to #3 Re: Selection of Bolts/ Washers for Structural Steel Members 12/07/2011 10:53 AM
	I'm retired, my day is very flexible. __________________ In a time of universal deceit, telling the truth is a revolutionary act. George Orwell
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Wal Guru Join Date: Jun 2011 Location: Phnom Penh Posts: 4019 Good Answers: 102	#2 Re: Selection of Bolts/ Washers for Structural Steel Members 12/07/2011 1:25 AM
	What are you designing, auditing or building Raj? __________________ Difficulty is not an obstacle it is merely an attribute.
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MJCronin Power-User Join Date: Oct 2009 Location: Central Midwest Posts: 455 Good Answers: 38	#4 Re: Selection of Bolts/ Washers for Structural Steel Members 12/07/2011 10:39 AM
	rajesh... The design drawings developed for the particular steel structure must show the type of bolts/fasteners selected by the engineer. When the joint strength was calculated, a certain bolt type and size was selected. Some joints are designed for the higher strength bolts, some are not. Bolt types are determined by the marking on the bolt head __________________ We have met the enemy....and he is us. POGO
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Wal Guru Join Date: Jun 2011 Location: Phnom Penh Posts: 4019 Good Answers: 102	#6 Re: Selection of Bolts/ Washers for Structural Steel Members 12/07/2011 10:01 PM
	Is it a tower, a shed, a pipe rack, an elevator shaft or what? __________________ Difficulty is not an obstacle it is merely an attribute.
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