[MW:9917] RE: 9916] Corten & carbon Steel weldability

Please see the following for a brief discussion of weathering steels and United States Steel (USS) trademark CorTen:  http://en.wikipedia.org/wiki/Weathering_steel

 

A 588 Types A,a ; A,b ; A,c ; B,a ; B,b, B,c   are all classified as P-No. 3 Group No. 1 in QW/QB-422 (ASME Section IX, 2010 edition)

 

Neither A242 nor A606 are listed.

 

I have seen the weathering grade steels used for duct work and pipe hangers.  Since they are not listed as SA materials you can be certain that they are not approved for pressure boundary service.

 

Hope this helps you on your way.

 

John

 

 

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Zakaria ghrab
Sent: Thursday, February 17, 2011 9:44 AM
To: materials-welding@googlegroups.com
Subject: [MW:9916] Corten & carbon Steel weldability

 

Hi all,

  I need to know the P number of corten steels, i have on PQR according ASME sect IX corten to corten, i need to use it to prepare WPS for Carbon steels but i have doute Corten is PN°1 or PN°3, serashing in internet : Equivalent Corten is ASTM SA 242, is it true?
--
GHRAB Zakaria

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