A/SA-105 does not have any class or grade break down. However, A/SA-105 references A/SA-266, Specification for Carbon Steel Forgings for Pressure Vessel Components, which has four grades. You would have to enquire from your client, but I think it is possible that the intent was for the forgings to meet 266 grade 2 properties.
John A. Henning
Welding & Materials
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Jatin Sanghvi
Sent: Thursday, October 24, 2013 12:38 AM
To: materials-welding@googlegroups.com
Subject: [MW:19058] What Is Carbon Steel A105 Grade 2
Dear Expert,
A client of mine has specified Class 150 carbon steel flanges as per ASTM A105 Grade 2. Does anyone know the composition and material characteristics of "Grade 2". I do not see any reference to Grade 2 in the latest (2010) version of ASTM A105 standard.
Any reference to direction would be most appreciated.
Best Regards
Jatin Sanghvi
Mobile: 0091-9823458877
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