Actually water starts to expand as the temperature drops to about 39 degrees F. The rate of expansion is initially moderate, but increases significantly as the temperature of the ice drops below about 20 degrees F.
Rick Brass Washington, NC From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of CHARLES SCHEAFFER via CnC-List Sent: Monday, November 4, 2019 9:08 AM To: CNC boat owners, cnc-list <cnc-list@cnc-list.com> Cc: CHARLES SCHEAFFER <cscheaf...@comcast.net> Subject: Stus-List Water freezing characteristic Josh, Saw your comment about water. I was taught that water freezes at 32 degrees but goes through a morph around 26 degrees where it expands dramatically in a one time shock event. That's when water pipes burst. The expansion is a shock load to copper pipes which will fish mouth open at a weak spot, usually in the sidewall of tubing, rarely in a fitting. Steel pipes behave differently usually pushing out a weaker cast fitting. My understanding is that as the temperature lowers, the ice does not expand any further. Is that about right or is there more to it? Chuck S
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