Aarh= Arithmetic Average Rough Height
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of smkabeer ahamed
Sent: Friday, January 31, 2014 9:05 AM
To: materials-welding@googlegroups.com
Subject: [MW:19973] clarification in flange inspection
Dear sirs,
1.At one purchase order I found FLANGE 6 IN,CLASS BIA,THICKNESS-M#B-16.5 ,MATERIAL A105,300,RF /125 AARH,WN.
RF/125 AARH Means what?
2.PIPE 10 IN,CLASS-B1A,THICK-STD B-36.1,MATERIAL-ASTM A106 GR B,BE SEAMLESS,CORBON STEEL,
I Am not having the above standard can any one tell what is the thickness of the pipe and which page it has given in standard.
Thanking you,
S.M.Kabeer ahamed
QUEST-KALKATA
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