Dec 20, 2012 #1 kpm21443 Industrial Dec 20, 2012 56 What is the difference between B7/2H & B7M/2HM bolts/nuts. Which is better. Can we interchange.
Dec 21, 2012 1 #2 PAN Mechanical Apr 25, 2001 549 You may get the answer from the previous discussion. http://www.eng-tips.com/viewthread.cfm?qid=311973 Upvote 0 Downvote
You may get the answer from the previous discussion. http://www.eng-tips.com/viewthread.cfm?qid=311973
Dec 21, 2012 1 #3 bingbingwang Petroleum Nov 21, 2012 21 no, you can not interchange it. B7M is for sour service. and it is not ok for chloride related corrosion if it is a wetted part. check ASME and NACE codes. Get help and return with helps!!. Upvote 0 Downvote
no, you can not interchange it. B7M is for sour service. and it is not ok for chloride related corrosion if it is a wetted part. check ASME and NACE codes. Get help and return with helps!!.
