Dear Experts,
our customer asking to get approved to weld (tack weld) a steel bar inside 8'' Tee (ASTM A105N) and this Tee at the end of 8'' gas pipe line to working as a pig & brush trap this is due to shortage in external trap , this bars will left in the tee and this tee is a part from the pipe line fabrication as per ASME B 31.3. i need your opinion concerning the different metal galvanic corrosion tended.
thanx in advance
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