Chromium
Beginning of paper
is a very hard, brittle, gray metal, which is sometimes
referred to as Siberian red lead. It does not rust easily and becomes shiny and
bright when it is polished. The shiny trim on our automobile bumpers and door
handles is usually electroplated .
Most chromium comes from something ca ....
Middle of paper
.... carbon. The hardness of steel
can be increased by adding small quantities of chromium to it. Chromium steel
alloys (mixtures containing one or more metals) are used to make armor plating
for tanks and warships. They are also used for ball bearings and the hard
cutting edges of high-speed machine tools.
Nickel is highly resistant to electric current and is often added to
chromium steels to make them easier to work. For example, stainless steel
sinks can be pressed out from flat ....
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Page count: 2 (approximately 250 words per page)
