Pipes and Welding Home › Forums › Archives › Old Bulletin Board Archives › Pipes and Welding This topic has 0 replies, 1 voice, and was last updated 27 years, 2 months ago by John Mushitu. Viewing 0 reply threads Author Posts 31 Aug 1997 at 5:56 pm #285434 John Mushitu What is the composition of pipes? And what is the composition of the materials used in welding? How does welding work? What is a Pipe Fitter? Author Posts Viewing 0 reply threads The forum ‘Old Bulletin Board Archives’ is closed to new topics and replies.