ASTM A106GRB AND ASTM A53GRB

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Anonymous Poster	ASTM A106GRB AND ASTM A53GRB 01/08/2011 8:26 AM
	Whats difference b/w A106 GR B and A53 GR B. are they same ,then why this classification
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Milo Guru Join Date: Jul 2006 Location: "Dancing over the abyss." Posts: 4884 Good Answers: 243	#1 Re: ASTM A106GRB AND ASTM A53GRB 01/08/2011 1:31 PM
	A 106 covers only seamless pipe and presumes high temperature service. A53 also lists ERW (type E) and Furnace welded (type F) You could order Astm A 53 Type E Grade B and that would be a welded, not seamless pipe. ASTM A 106 only recognizes Seamless for the pipe. And does not recognize hot dipped galvanized. A 53 also recognizes Hot Dipped galvanized. The formula for calculating minimum elongation (note to table 2 in each of these. also appears to be different. The A 53 has an additional factor. Engineers specify what they specify because they want to assure attributes and properties, such as NO zinc or Zinc, No weld, or weld. etc. Milo Milo __________________ People say between two opposed opinions the truth lies in the middle. Not at all! Between them lies the problem, what is unseeable,eternally active life, contemplated in repose. Goethe
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