go with E7018-1.
Even after SR, tensile will match with base metal. when sr is being done, in weldmetal 35Mpa is being reduced. Since 7018-1 has got more Manganese, it will will compensate the strength as well as impact also.
THANKS & BEST REGARDS,
KG.PANDITHAN, BE, IWE, CSWIP 3.1,
ISO 9712 Level 2 in VT,
ASNT-Level II in PT,MT,RT & UT,
LA ISO 9001-2015,
International Welding Engineer.
CONSULTANT-WELDING & QUALITY
Mobile no: +919940739349
On Thu, Nov 3, 2022 at 8:49 AM williams p wilson <williamswilsonp@gmail.com> wrote:
Dear Experts,--Greetings to all.Could you please suggest suitable SMAW welding electrode (E 7018 or E 7018-1) for the below specifications,MOC : SA 516 Gr.70 + N , 70 mm ThicknessPWHT : 610 ° C x 300 minutes minimumImpact Test after HT : -29° CWeld Metal & HAZ Hardness (Max.) : 22 HRCThank You & RegardsWilliams P Wilson+968-94600828QA/QC EngineerPlease consider the environment before printing this message
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