Replacing corroded and perforated pipes

Job Request: Please make a new rotten old pipe.
Required Materials: 2", 1" Stainless Steel 304 Pipe, Combination, Pipe Cap, Elbow....
When the material arrived, I started the work, cut, dug holes, did tig welding, and finished the plumbing line. And then I did a water pressure test. There was no problem Then I painted the paint.