Jun 29, 2016 #1 erjainesh Petroleum Joined Mar 12, 2013 Messages 5 Location JP dear All, can anyone share ideas whether PMI can be done on hot dip galvanised bolts or not? or PMI is required to be carried out before coating?
dear All, can anyone share ideas whether PMI can be done on hot dip galvanised bolts or not? or PMI is required to be carried out before coating?
Jun 29, 2016 #2 EdStainless Materials Joined May 20, 2004 Messages 16,346 Location Waukesha WI USA Unless you want to strip the galv from spots to test you had better do the testing before. = = = = = = = = = = = = = = = = = = = = P.E. Metallurgy, Plymouth Tube Upvote 0 Downvote
Unless you want to strip the galv from spots to test you had better do the testing before. = = = = = = = = = = = = = = = = = = = = P.E. Metallurgy, Plymouth Tube
Jun 29, 2016 #3 maxdistortion Mechanical Joined Jun 24, 2016 Messages 20 Location CA I think you can do it but you have to scratch the galv coating off. Why do you need to PMI bolts? Are they structual bolts or pipe studs? Upvote 0 Downvote
I think you can do it but you have to scratch the galv coating off. Why do you need to PMI bolts? Are they structual bolts or pipe studs?
Jun 30, 2016 #4 metengr Materials Joined Oct 2, 2003 Messages 15,478 Location US Yes, before galvanizing. Upvote 0 Downvote