RE: [MW:29678] ER70S-2 and ER70S-6 (GTAW Process)

Yes you can.  However, if your WPS states that the filler metal per essential variable QW-404.5, will meet the Table QW-422 A-No. 1 chemistry limits, you will have to note that the Mn and Si must be 1.60 and 1.0 or less respectively.  You need to do incorporate this restriction as the SFA classification permits ER70-S6 to exceed the A-No. 1 limits

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of K K
Sent: Monday, June 03, 2019 5:40 AM
To: Materials & Welding
Subject: [MW:29673] ER70S-2 and ER70S-6 (GTAW Process)

 

Dear All,

 

My PQR is qualified with ER70S-2.

 

Can I use ( Mention) ER70S-6 in WPS.

 

Regards

Kiran

 

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