Re: [MW:17286] WHAT IS THE DIFFERENCE BETWEEN E7015 AND E7016,E7018

[kannayeram gnanapandithan]

yes,if not impact, but 7015 will have deep penetration charactership than others
Pandithan
welding Consultant

On 4/3/13, Elavarasan Dharma <sacet....@gmail.com> wrote:
> DEAR SIR,
> CAN I USE INSTEAD OF E 7016,E 7018 INSTEAD OF E 7015.
>
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[Binoy Soman]

Dear Elavarasan,

Attached excerpt from AWS A 5.1 may be helpful for you

S.Binoy

[Ahmad el-sharkawy]

E7015   electrode coating ( basic, low hydrogen, sodium)  penetration ( medium )  current type ( DCEP )

E7016   electrode coating ( basic, low hydrogen, Potassium)  penetration ( medium )  current type ( AC & DCEP )

E7018   electrode coating ( basic, low hydrogen, Iron powder)  penetration ( medium )  current type ( AC & DCEP )