As for as Part C, both are same except below mentioned changes in trailing mails.
Regards,
Muneeb.M
From: sandeep kumarDate: 2018-10-22 12:02Subject: Re: [MW:28475] Re: Difference between the electrode E8018 B-8 & E8015 B-8Can you please elaborate what meant by more impurities? as all the elements added into the coating are deliberately added to achieve the required characteristics.Thanks & regardsSandeep Kumar
On Monday, October 22, 2018 at 11:22:26 AM UTC+3, kannayeram gnanapandithan wrote:8018 will have more impurities compare to 8015THANKS & BEST REGARDS,KG.PANDITHAN, BE, IWE, CSWIP 3.1,ASNT-Level II in PT,MT,RT & UT.International Welding Engineer.CONSULTANT-WELDING & QUALITYMobile no: +919940739349On Mon, Oct 22, 2018 at 11:57 AM sandeep kumar <sandeep...@gmail.com> wrote:E8018-B8 and E8015-B8 both are basic low alloy steel electrode having same chemical composition of undiluted weld metal & mechanical properties and being used for the welding of 7 to 9 Cr-Mo type steel. You can also use it to weld 5Cr-1/2Mo to 7 to 9 Cr-Mo dissimilar weld joint.The min difference is in the coating & electrical characteristics. E8015-B8 coating is having sodium silicate binding and hence can be used only for DCEP polarity.While E8018-B8 having potassium silicate binding in the coating which enable to be used on DCEP and AC polarity, with added iron powder they enable better conductivity for current flow via the electrode coating & hence higher weld deposition.
E8018-B8 i having better arc striking & stabling quality than the E8015-B8 due to coating characteristics. E8015-B8 is having improved characteristics for the pipe welding compare to the other one involved in this discussion.Thanks & regardsSandeep Kumar
From: muneebslsa@gmail.comDate: 2018-10-18 16:14Subject: Re: [MW:28435] Re: Difference between the electrode E8018 B-8 & E8015 B-8Dear expert,can we use welding electrodes E8016-B2 instead of E8016-B1?Answer: change in classification is falling under supplementary essential variable and your case can be used as per QW-404.12, which does not clash with a to f.Can any body differentiate between the electrodes E8018 B-8 & E8015 B-8, and the difference of applicable areas.Answer:A5.5 A5.5M Type of Covering Welding Positionsfor Classification(B) Type of Current(C)E8015-X E5515-X Low hydrogen sodium F, V, OH, H dcepE8018-X E5518-X Low hydrogen potassium, iron powder(F) F, V, OH, H ac or dcepRegards,M.Muneeb.
From: mathafizaDate: 2018-10-17 04:08Subject: [MW:28435] Re: Difference between the electrode E8018 B-8 & E8015 B-8--Dear expert,can we use welding electrodes E8016-B2 instead of E8016-B1?
On Saturday, January 5, 2013 at 1:50:29 PM UTC+8, Biplab Pal wrote:Dear Experts,
Can any body differentiate between the electrodes E8018 B-8 & E8015 B-8, and the difference of applicable areas.
--Thanks & Regards
Biplab Pal
Welding InspectorE-mail: bipla...@gmail.com
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