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Last edited 23 Apr 2021
BG 29/2021 Pre-Commission Cleaning of Pipework Systems, Amended 6th edition, written by Chris Parsloe and Martin Ronceray, published by BSRIA in partnership with the Closed Systems Control Association (CSCA) in March 2021, defines millscale as: ‘A surface layer of iron oxides (mostly Fe3O4) formed during the manufacture of mild steel pipes.’
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