mill scale


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mill scale

[′mil ‚skāl]
(metallurgy)
A surface layer of ferric oxide (Fe3O4) that forms on steel or iron during hot rolling.

mill scale

A loose coating of oxide which forms on iron or iron products when heated.
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Steel Sections Supplied Shall Be Free From Mill Scale, Rusts, Seams Or Any Surface Imperfection And Should Have Been Cleanly Rolled To The Dimensions.
We see opportunities for medium size Matmor deployments in Western Australia and Queensland where substantial tonnages of mill scale and refinery tailings exist, and where Coldry can be cost effectively transported to.
Various sizes are available with linear mill scale up based on power consumption.
The rust substance has been identified as mill scale - a flaky substance often found on hot steel.
Essar handles millions of tonnes of incoming raw material such as iron ore pellets, coal, limestone, steel slabs and scrap steel, and ships out steel coils, mill scale, slag and coke.
As can be seen in figure 1, part of the flow used for cooling the furnace, during lamination, and for cooling purposes during quenching is directed to the reception pool or the mill scale pit; the other part of the flow is used to cool the rest of the furnace and lamination.
The original metal sheets possess a coating of metal oxides, also called mill scale.
It features a smooth arc and low spatter levels, along with the ability to weld through moderate mill scale or dirty materials.
Likewise, operations that weld material with mill scale and other surface contaminants should look to a wire with sufficient deoxidizers--specifically manganese and silicon--to bring those contaminants to the surface of the weld so that they don't remain trapped in the bead.
The lichenlike blooms of orange rust, the gouges and flame-blue streaks of mill scale on the skin of Serra's colossi draw the eye in, securing interest on a painterly level in spite of the works' architectural size.
The rollers and their drive systems are subjected to heat, impact loads, mill scale and water.
Loading materials like railroad ballast, petroleum products, lime dust, gravel, drilling mud, bricks, paper pulp, mill scale, resin beads, fly ash and tar, are common materials that are loaded every day with a KING VAC.