Oct 27, 2008 #1 flight23 Mechanical May 9, 2008 8 Is it a true statement that BHN testing is not required by B31.1?
Oct 27, 2008 #2 metengr Materials Oct 2, 2003 15,478 Yes. Hardness testing, if required, is usually indicated by material specification with an acceptable hardness range. Upvote 0 Downvote
Yes. Hardness testing, if required, is usually indicated by material specification with an acceptable hardness range.
Oct 28, 2008 #3 Mr168 Materials Aug 5, 2008 731 Please note that there is an exception to this case when dealing with P92 material (250 max BHN). Code case 183. Upvote 0 Downvote
Please note that there is an exception to this case when dealing with P92 material (250 max BHN). Code case 183.
Oct 28, 2008 #4 ndeguy Industrial Oct 13, 2005 220 B31.3 para 331.1.7 and Table 331.1.1. specify when hardness testing is required. Nigel Armstrong Karachaganak Petroleum Kazakhstan Upvote 0 Downvote
B31.3 para 331.1.7 and Table 331.1.1. specify when hardness testing is required. Nigel Armstrong Karachaganak Petroleum Kazakhstan
Oct 31, 2008 #5 stanweld Materials May 9, 2003 2,906 While B31.1 does not require hardness testing, many owners and engineers do require it for welds in P91. As a Contractor, we have required hardness testing of our P91 welds for over ten years. Upvote 0 Downvote
While B31.1 does not require hardness testing, many owners and engineers do require it for welds in P91. As a Contractor, we have required hardness testing of our P91 welds for over ten years.
