Do a free iron test after welding and passivate the joints.
2014-10-25 18:01 GMT+04:00 Sahavas v s <sahavas143r@gmail.com>:
Hi,--
It has been observed on all weld joints were corroded with rust, but components dont have any rust. can any one answer me the reason why weld joints have only corrosion not on base metal?
Pipe : A312 TP 316 L
Filler wire : ER316L
Weld Type : Butt weld
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Regards,
Mr. Harish.
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