RE: [MW:31386] E-7018-1 is better then E7018

Consider it to be a premium subset of the E7018.  Basically same properties but with chemistry optimized to achieve low temperature impact properties.  It is generally acceptable to use E7018-1 in lieu of E7018 unless customer has specific requirements regarding qualification. 

 

Code is fun. Enjoy.

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of George Dilintas
Sent: Wednesday, September 02, 2020 7:13 AM
To: materials-welding@googlegroups.com
Subject: Re: [MW:31385] E-7018-1 is better then E7018

 

Better performance in low temperature. Same A and F-no

 

Στις Τετ, 2 Σεπ 2020 στις 9:00 π.μ., ο/η Ghulam Mustafa <gmt.lah@gmail.com> έγραψε:

Dear All,

Hope you are fine.

i want discuss that i was gone yesterday for inspection in other company as a third party, i checked WPS for welding inspection, during inspection i observed that welder used E7018-1 Electrode instead of E7018 on structure. structure material A572 Grade-B and A-36. E7018-1 can problem or not?

can any one tell me about this problem.

 

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Dr. Georgios Dilintas,

Dipl. Ing. In Aeronautic and Space Engineering

Ph.D in Mechanics of Solids - Computational Mechanics

A.I.S, A.N.I, IRCA Lead Auditor

Welding, Stress Analysis, Corrosion, QA/QC, Failure Analysis, Risk Analysis

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