You've made a mistake by using 308L filler metal.
Change the WPS and use only 316L filler metal.
Ramin Kondori
Sr. QA/QC & Welding Engineer
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PG-Dip. in Welding Engineering (IWE AT 0070)
BSc. in Civil Engineering (IUT)
BGAS Painting Inspector
ASNT Level I&II
On Tue, May 26, 2020 at 10:20 AM Vinay Thattey <vinay.thattey@gmail.com> wrote:
Dear Friends ; For some technical reasons the expected ferrite after completion of circumferential welding for SS to SS ( ASTM-A -240 SS 316 rolled pipe ) is 7 to 8 . We R using 308L / 316 L filler and obtained result is max 5 . pl advice .--
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