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- Mill_scale abstract "Mill scale, often shortened to just scale, is the flaky surface of hot rolled steel, consisting of the iron oxides iron(II) oxide (FeO), iron(III) oxide (Fe2O3), and iron(II,III) oxide (Fe3O4, magnetite). Mill scale is formed on the outer surfaces of plates, sheets or profiles when they are being produced by rolling red hot iron or steel billets in rolling mills. Mill scale is composed of iron oxides mostly ferric and is bluish black in color. It is usually less than 0.1 mm (0.0039 in) thick and initially adheres to the steel surface and protects it from atmospheric corrosion provided no break occurs in this coating. Because it is electro-chemically cathodic to steel, any break in the mill scale coating will cause accelerated corrosion of steel exposed at the break. Mill scale is thus a boon for a while until its coating breaks due to handling of the steel product or due to any other mechanical cause. Mill scale is a nuisance when the steel is to be processed. Any paint applied over it is wasted, since it will come off with the scale as moisture-laden air gets under it. Thus mill scale can be removed from steel surfaces by flame cleaning, pickling, or abrasive blasting, which are all tedious operations that waste energy. This is why shipbuilders used to leave steel delivered freshly rolled from mills out in the open to allow it to 'weather' until most of the scale fell off due to atmospheric action. Nowadays most steel mills can supply their produce with mill scale removed and steel coated with shop primers over which welding can be done safely.Mill scale generated in rolling mills will be collected and sent to a sinter plant for recycling.".
- Mill_scale thumbnail Eisenhammerschlag_Fe3_O4.jpg?width=300.
- Mill_scale wikiPageID "22696307".
- Mill_scale wikiPageLength "3088".
- Mill_scale wikiPageOutDegree "25".
- Mill_scale wikiPageRevisionID "695887898".
- Mill_scale wikiPageWikiLink Abrasive_blasting.
- Mill_scale wikiPageWikiLink Abstract_expressionism.
- Mill_scale wikiPageWikiLink Category:Arts.
- Mill_scale wikiPageWikiLink Category:Metallurgy.
- Mill_scale wikiPageWikiLink Category:Metalworking_terminology.
- Mill_scale wikiPageWikiLink Category:Oxides.
- Mill_scale wikiPageWikiLink Category:Steelmaking.
- Mill_scale wikiPageWikiLink Flame_cleaning.
- Mill_scale wikiPageWikiLink Iron(II)_oxide.
- Mill_scale wikiPageWikiLink Iron(II,III)_oxide.
- Mill_scale wikiPageWikiLink Iron(III)_oxide.
- Mill_scale wikiPageWikiLink Iron_oxide.
- Mill_scale wikiPageWikiLink Phosphoric_acid.
- Mill_scale wikiPageWikiLink Pickling_(metal).
- Mill_scale wikiPageWikiLink Primer_(paint).
- Mill_scale wikiPageWikiLink Recycling.
- Mill_scale wikiPageWikiLink Rolling_(metalworking).
- Mill_scale wikiPageWikiLink Selenium_dioxide.
- Mill_scale wikiPageWikiLink Sinter_plant.
- Mill_scale wikiPageWikiLink Steel.
- Mill_scale wikiPageWikiLink Steel_mill.
- Mill_scale wikiPageWikiLink Substrate_(printing).
- Mill_scale wikiPageWikiLink Welding.
- Mill_scale wikiPageWikiLink File:Eisenhammerschlag_Fe3_O4.jpg.
- Mill_scale wikiPageWikiLinkText "Mill scale".
- Mill_scale wikiPageWikiLinkText "descaling".
- Mill_scale wikiPageWikiLinkText "mill scale".
- Mill_scale wikiPageWikiLinkText "scale".
- Mill_scale wikiPageWikiLinkText "scales".
- Mill_scale wikiPageUsesTemplate Template:Convert.
- Mill_scale wikiPageUsesTemplate Template:Industry-stub.
- Mill_scale wikiPageUsesTemplate Template:Metalworking-stub.
- Mill_scale wikiPageUsesTemplate Template:Unreferenced.
- Mill_scale subject Category:Arts.
- Mill_scale subject Category:Metallurgy.
- Mill_scale subject Category:Metalworking_terminology.
- Mill_scale subject Category:Oxides.
- Mill_scale subject Category:Steelmaking.
- Mill_scale hypernym Surface.
- Mill_scale type Bone.
- Mill_scale type Chalcogenide.
- Mill_scale type Classification.
- Mill_scale type Humanity.
- Mill_scale type Oxide.
- Mill_scale type Process.
- Mill_scale comment "Mill scale, often shortened to just scale, is the flaky surface of hot rolled steel, consisting of the iron oxides iron(II) oxide (FeO), iron(III) oxide (Fe2O3), and iron(II,III) oxide (Fe3O4, magnetite). Mill scale is formed on the outer surfaces of plates, sheets or profiles when they are being produced by rolling red hot iron or steel billets in rolling mills. Mill scale is composed of iron oxides mostly ferric and is bluish black in color.".
- Mill_scale label "Mill scale".
- Mill_scale sameAs Q1844333.
- Mill_scale sameAs Abbrand_(Metallurgie).
- Mill_scale sameAs Reve.
- Mill_scale sameAs Hamerslag.
- Mill_scale sameAs Zgorzelina_(zendra).
- Mill_scale sameAs m.04y79g8.
- Mill_scale sameAs Окалина.
- Mill_scale sameAs Окалина.
- Mill_scale sameAs Q1844333.
- Mill_scale wasDerivedFrom Mill_scale?oldid=695887898.
- Mill_scale depiction Eisenhammerschlag_Fe3_O4.jpg.
- Mill_scale isPrimaryTopicOf Mill_scale.