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ASTM A105 - normalised or not ?

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pmarriott

pmarriott

Chemical
Mar 27, 2002
9
Some fittings and valve manufacturers offer forged fittings, flanges, valve bodies etc. in Carbon Steel ASTM A105N. I realise the N suffix denotes a normalised product which has received extra heat treatment, but I am uncertain as to why the N grade should be specified. What practical benefit is there in specifying N grade instead of plain A105 ?
 
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SA105 N versus SA105
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