Chrome and
Stainless Steel
Difference Between Chrome and Stainless Steel
by Abey S.D.
Key Difference – Chrome vs Stainless Steel
Chrome and stainless steel are two of
the most extensively used metallic materials in the production of metal
appliances or fixtures.
Although
these two materials look very similar and have similar properties, they are
quite different.
The
differences in their properties and applications arise since these two
materials are very different in their composition.
Stainless
steel is an alloy which mainly contains iron, carbon and chromium whereas,
chrome is a chromium plated material, and cannot be considered as an alloy.
This
is the key difference between
Chrome and Stainless Steel.
What is Chrome?
Chrome is the shortened form of chromium, and it usually
refers to chromium plating.
Chromium plating is
the application of a chromium layer onto the surface of a plastic or metal
object by electroplating.
This technique is
used for both decorative and industrial purposes.
In decorative
applications, it strengthens the object in addition to its aesthetic
properties.
One of the most
common examples is chromium plating on the side of a motorcycle.
Piston rods is an
example for the industrial application of chromium plating.
Chromium is well
known for its luster and corrosion resistance.
What is Stainless Steel?
Stainless steel is an alloy made of
steel and chromium; the minimum quantity of chromium is about 10.5% by mass.
Stainless
steel has some essential and versatile properties such as relatively low cost,
high strength, higher resistant to staining, corrosion and rusting as well as
its flashier luster.
There
are three types of industrial grade stainless steel varieties based on their
composition; austenitic, martensitic and ferritic.
Austenitic
is a chromium-nickel-iron alloy (Cr -16%
-26% , Ni - 6% - 22% and a low carbon content).
Martensitic
is a chromium-iron alloy (Cr - 10.5% - 17% with some carbon content).
And
Ferritic is a chromium-iron alloy (Cr -17% - 27% and a low carbon content).
Many
cooking utensils are made from ferritic type of stainless steel.
What is the difference between Chrome and Stainless Steel?
Composition:
Chrome: Chrome
only contains chromium; it is not an alloy.
Stainless
steel: Stainless steel is an alloy which
contains at least 10.5% of chromium in addition to iron and carbon. It may or
may not contain nickel. The use of nickel is very limited since it is one of
the most expensive alloying elements.
Properties:
Chrome: The high luster of Chrome makes it more
aesthetically pleasing. However, chrome materials are more susceptible to
dirt and grime. It is comparatively less expensive than stainless steel, but
the durability is low.
Stainless
steel: The durability of stainless
steel is relatively higher than chrome since it is an alloy. In addition, it is
little resistant to corrosion and scratches; therefore, it does not tarnish and
is very easy to keep clean. However, it is very expensive and less shiny
compared to chrome.
Uses:
Chrome: Solid
chrome (chrome as the only element) is not used to construct objects.
Instead, it is applied as a thin layer on the objects which are made from steel
and sometimes aluminum, brass, copper, plastic, or stainless steel.
Stainless steel: Stainless steel is used in kitchen appliances such as
cutlery, sinks, saucepans, washing machine drums, microwave oven liners, razor
blades.
It is also used in
civil engineering to produce window fittings, street furniture, structural
sections, reinforcement bar, lighting columns, lintels and masonry supports.
In addition, it is
used in transportation to manufacture exhaust systems, car trim/grilles, road
tankers, ship containers and chemical tankers in ships.
Stainless steel is
also used in several other areas like oil and gas production equipment, surgical
instruments, catering equipment, brewing, distilling, food processing,
and water and sewage treatment.
and water and sewage treatment.
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