Re: [MW:8784] Difference between E-7016 & E-7018
M.Shankar
Dear Sil,
Both are Basic type, low hydrogen rods and having similar strength, but E7016 is without the iron powder in flux.
E7016 :Low hydrogen potassium Electrode ( not BASIC SODIUM LOW HYDROGEN; E7015 is Low hydrogen sodium electrode)
E7016's have less slag than E7018's so are better for root-run, positional welding (better controlled positionally) than E7018, easy deslagging and baking/redry not required
E7018 :Low hydrogen potassium, iron powder Electrode
E7018 has iron powder added to the flux, which goes into the weld-pool when the rod is burned, so more metal is deposited. Baking/redry required.
Both electrodes having F no. 4. You can use E7018 instead of E7016, here essential variable (F no.) not changed, but re-write your WPS accordingly.
M.Shankar
From: pradip kumar sil <prad...@gmail.com>
To: material...@googlegroups.com
Sent: Sat, 18 December, 2010 7:56:18 PM
Subject: [MW:8784] Difference between E-7016 & E-7018
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John Henning
Yes.
Per ASME Section both are qualified; F6, A1 electrodes. Be sure your WPS states both are allowed.
John A. Henning
Welding & Materials
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Ramin Kondori
E7018 has higher weld metal deposition rate that E7016 and is more productive.
They added iron powder to it and made E7018.
By introducing more iron powder they came up with E7028 which can only work in flat (and horizontal) positions.
Regards
kannayeram gnanapandithan
José Luís Ferreira
The main feature is the addition of iron powder in E7018.
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José Luís N. S. Ferreira
Jlui...@gmail.com
(79) 9984-6901 (vivo)
(79) 9199-6907 (TIM)
(81) 8211-1950 (vivo)