How to measure and calculate the expansion of heat exchanger tube plate?

The heat exchanger tube plate has expansion slot, how to measure whether the expansion of qualified?
2017-05-22 Reply
Are you expanding or expanding?
2017-05-22 08:55:30 Reply
Sorry, it's strength
2017-05-22 08:56:22 Reply
You need to do strength expansion, expanding technology assessment, mechanical expansion or hydraulic expansion expansion test, then the pull-out force of tube sheet test
2017-05-22 08:59:22 Reply