Dec 20, 2012 #1 kpm21443 Industrial Joined Dec 20, 2012 Messages 56 Location KW What is the difference between B7/2H & B7M/2HM bolts/nuts. Which is better. Can we interchange.
Dec 21, 2012 1 #2 PAN Mechanical Joined Apr 25, 2001 Messages 549 Location SG 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 Joined Nov 21, 2012 Messages 21 Location CA 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!!.