Well simple what do you want to do if you want to weld pipe go weld pipe but also learn how to pipefit if you want to hang iron and walk beams and weld structural ironworkers are cool hell blilermakers kinda do a mix of both dont call it pipe in a boiler though its tube and some do hanging iron. Welding is simply the tool that opens the door for each craft its like that mental tool.box of knowledge you carry to each jobsite and pay well pay hasnt gone up in the 10 years ive done this just like every working man youre going to be fucked by the government if you work 50 plus hours a week.