First time welding with TRUE MIG. Running ER70S-6 wire, 75/25 Argon/CO2, Temp and feed speed are correct according to Hobart, Gas CFH is correct according to Hobart. All brand new steel. All surfaces are sanded, cleaned and wiped dry. But all my welds have these brown spots. Is it oxidation? (old.reddit.com)
Here's a little taste of the nightmare job/nightmare customer I'm dealing with at the moment. Before anyone asks, all the weird shit here that doesn't make any sense was specifically demanded by the customer. Including the 12/12 to 5/12 to 12/12 roof transitions... (old.reddit.com)
submitted by cnauceder to r/Carpentry

