what is the price of mill scale?
Mill scale can be removed by sandblasting utilising high air pressure sandblasting equipment.
mill scale is used in making flux for welding electrode coating . mill scale is used for making iron oxide used in thermit welding by heating and converting in rotary kiln. mill scale is used as iron source in ferro alloy production yogendra Dhingra E.Mail: yogee46@gmail.com
to separate the organic compounds
0.38m3/ton
Mill scale by itself is not useful in the steel industry and is often discarded or recycled. Visual artists use it because it produces apparently random patterns.
http://site2.wikianswers.com/templates/images/saveBtn_enable.gif?v=48569 The color of mill scale after it is hot rolled is bluish black.
On the MSDS sheet it is not considered a carcinogen.
The density of quartz is around 2.6, meaning that it weighs 2.6 times as much as an equal volume of water.
In the production of cement.
between 2.4 and 2.8 Tm/m3
Mill scale must be removed prior to painting because any breach in the mill scale will cause moisture to get beneath it, causing it to flake off. If there is paint on top of it, and moisture gets below the paint and the scale, both will peel and flake off because the paint is adhering to the mill scale, not the underlying metal surface. Paint should always be applied only over a clean, sound surface.
Topaz comes next, then corundum, then diamond is hardest with a hardness of 10