Re: [MW:17397] E 7018 used instead of E7018-1

ASME IX 20012, QW 253, specifies the only essential variable in terms of filler metals as F& A numbers

 & the diameters,the classification is regarded as non-essential variable, Please check your WPS and determine what electrodes was specified, and then contact the electrodes manufacturer and get support whether use of E7018 instead of E-7018-1 is acceptable and will not affect the welded joint's integrity.

 

Very Best Regards

Behrooz Alavi

From: Raghuram Bathula <raghurambathula@gmail.com>
To: Materials-Welding <materials-welding@googlegroups.com>
Sent: Sunday, April 14, 2013 1:19 PM
Subject: Re: [MW:17386] E 7018 used instead of E7018-1

what is the MDMT? there is no NDT. may be you can cut few welds to do CVN impact @ MDMT and convince your client.

or run a test coupon with E7018 and do impact testing at MDMT.

On Sun, Apr 14, 2013 at 3:41 PM, Binu Nair <binugnair1984@gmail.com> wrote:

Dear Experts,

 

Our welders are used E7018 instead of 7018-1 for A333 Gr-6.

Now client is asking to cut the joints.

Moreover they are asking to prove the remaining joints whether they are welded with 7018-1 or not.

Can anybody suggest a suitable method such as any NDT to prove that ?

So please send your valuable suggestion with reference to code.

 

Thanks & regards,

 

Binu.

 

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