Re: [MW:22960] difference between ER70 S-6 and ER70 S-3

Hi,

Yes, the impact properties of ER 70S-6 (27 J at -30°C) is better than that of  ER 70S-3 (27 J at -20°C)

Please refer Sec II Part C SFA 5.18

Regards,

LALU

LINKS MIDDLE EAST

ABU DHABI, UAE

On Mon, Mar 9, 2015 at 6:52 PM, 'raouf salhi' via Materials & Welding <materials-welding@googlegroups.com> wrote:

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

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