Dear Sir,
You have to use ER70S-6 for better impact properties (-30deg.) in the weld metal and also suggested by your client.
If you select low S & P (<0.012%) consumable in ER70S-6 class (100%CO2 shielding) than you can achieved up to -40deg. Impact too.
Rgd
P.Tiwari
QA & QC-Head
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com]
Sent: Monday, March 09, 2015 8:23 PM
To: materials-welding@googlegroups.com
Subject: [MW:22958] difference between ER70 S-6 and ER70 S-3
Dear expert ;
we have to weld an ammonia liquid line ( temperature of service -33 °c) with ER 70 S-3 for penetration and E 7018 for filling and cap .
Our client ask to weld with ER 70 S - 6 because of better impact test proprities.
THis is true ?? please give me more details
Regards
SALHI Raouf
QA/QC Engineer
Tel: Morocco +212628979891
Tunisia +21621458258
--
You received this message because you are subscribed to the Google Groups "Materials & Welding" group.
To unsubscribe from this group and stop receiving emails from it, send an email to materials-welding+unsubscribe@googlegroups.com.
To post to this group, send email to materials-welding@googlegroups.com.
Visit this group at http://groups.google.com/group/materials-welding.
To view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/830348253.1966186.1425912751788.JavaMail.yahoo%40mail.yahoo.com.
For more options, visit https://groups.google.com/d/optout.
Comments