Galvanized for gas Home › Forums › Archives › Old Bulletin Board Archives › Galvanized for gas This topic has 2 replies, 2 voices, and was last updated 22 years, 1 month ago by William Sanders. Viewing 2 reply threads Author Posts 21 Oct 1997 at 7:16 am #281969 johnmeehan I was wondering if it is alright to use galvanized fittings with natural gas. I know it is ordinarily required to use black pipe but does galvanized meet code? 27 Sep 1998 at 12:24 am #302903 William Sanders With many codes in the U.S. it is quite legal. In the old days we had to worry about flaking of the zinc but due to better manufacturing processes that is not the case any longer. 27 Sep 1998 at 12:24 am #304343 William Sanders I got into an agument with an electrican about pipe threads. He said that water pipes and electric pipes have the same thread as far as the taper of the thread. Author Posts Viewing 2 reply threads The forum ‘Old Bulletin Board Archives’ is closed to new topics and replies.