Plate Material for Flanges

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anoopbindal Associate Join Date: Mar 2009 Location: Mumbai Posts: 41 Good Answers: 1	Plate Material for Flanges 10/19/2010 4:14 AM
	Why don't we use plate material (like IS 2062) for making flanges? Why only forged one like A 105. I went through posts where bit of differentiation was there between IS 2062 & A 105 but didn't make to the reply. Both materials are having same yield strength and tensile strength. Then where lies the difference between application?? Thanx in adv. __________________ annu
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woyaodixingfu Member Join Date: Oct 2010 Posts: 6	#1 Re: Plate material for flanges 10/19/2010 4:45 AM
	CR4 Admin: Deleted Post Spam: This post was deleted because it contained advertising outside the Commercial Space forum. Please review Section 14 of the CR4 Site FAQ about advertising.
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yesyen Guru Join Date: Jul 2006 Location: India-Chennai. Posts: 722 Good Answers: 30	#2 Re: Plate Material for Flanges 10/20/2010 2:52 AM
	Forged flanges do have better grain structure than machined flanges out of plate... __________________ A picture worth thousand words: needless to say if it is animated.
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Naved gcc Participant Join Date: Oct 2010 Location: Saudi Arabia Posts: 2	#3 Re: Plate Material for Flanges 10/20/2010 3:05 AM
	Plate Materials are used to fabricate materials having even geometry ( eg Spectacle Plate from A 36) . Since the Flanges are basically prepared by forging process hence the have been designated for use by Forging Grade Materials like A 105 , A 182 F 316.
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MJCronin Power-User Join Date: Oct 2009 Location: Central Midwest Posts: 455 Good Answers: 38	#4 Re: Plate Material for Flanges 10/20/2010 12:55 PM
	Anoop... Follow the code of record for the piping system. Specifically, what is the code of record ? What is the design temperatures and pressures of the system ? You cannot use any material you like for a system. Both ASME and PED power/process piping codes contain restrictions on the usage and application of materials for flanges. Tell us more.... __________________ We have met the enemy....and he is us. POGO
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russ123 Guru Join Date: Nov 2009 Location: Izmir, Turkey Posts: 2142 Good Answers: 31	#5 Re: Plate Material for Flanges 10/20/2010 1:46 PM
	Depends on the usage. I have had many flanges made of 2062 (A36) plate when I worked there. If pressure and temp do not pose a problem then it is a function of economics. Making a flange is time consuming when you only do a few.
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