Anyone know what number oxy acetylene welding tip I need to use on 14 gauge carbon steel?

Question

4140 sheet steel. Pressures for tip sizes will be greatly appreciated:)

Answer 1

HI, I use to remember those things but they slip by now a days.Go to this web site ,they have all information you need. HTTP://haueweldingsupply.com They will take care of your questions for you.Good Luck
ROSCO

Answer 2

Probally a size 6 medium or heavy duty rating with oxy pressure 7/14 and acetyline pressure at 6/9 and SCFH at 25/45. I dont know much about 4140 steel but the above is a good guess.