ER 70-S6 weld metal chemical analysis does not meet A No. 1.
If you have qualified a WPS with Er 70-S3 etc, then this wire is not acceptable. ( Manganese content is more than 1.6% in weld metal)
arun
On Sat, Mar 17, 2012 at 12:23 PM, asad azmi <azmiasadayub@gmail.com> wrote:
--Dear All,Vessel is being fabricated as per ASME SEC VIII DIV 1.Base material - SA 516 GR 70 HIC - 30 mm Thk. IMPACT TEST not required.normally we are using E 7018 for SMAW, ER 70S2 for GTAW & F7P8 EH12K for SAW Process to weld above base material.Can we use E7018-1 for SMAW, ER 70 S6 for GTAW & F7P8 EH12K for SAW for the above base material.Please Advice.Thanks & RegardsAsad Azmi
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