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The Importance of Stainless Steel Equipments in
What is Stainless Steel?
Stainless steel is iron alloy with a specific composition that renders increased resistance to corrosion. Steel being an
alloy of iron undergoes corrosion when subjected to outside environment. This corrosion
is responsible for gradual destruction of materials by converting them into its natural oxides.
A minimum of 10.5 % addition of chromium to a low-carbon steel allows the chromium atoms to combine with oxygen
and form a thin layer of oxide called passive layer outside the steel, preventing any further surface corrosion. Inaddition to carbon and chromium, various elements like Nickel, Molybdenum, and Niobium are added to enhance the
corrosion resistance of the stainless steel. If the thin film is cut, scratched or disrupted in any other form, the steel
repairs itself by quickly forming the oxides, thus, making it more efficient solution to the impending problem of
Stainless-Steel in Medical Industry:
These anti corrosion properties of the stainless steel, makes it the obvious choice for medical instruments where high
degree of quality and precision is required. There are different types of Steels which satisfy different amount of needs
in medical industry; 304,316,450and 630 Stainless Steel are some of the most commonly used ones. While, the
inherent anti-corrosion capacity of stainless steel is considered fit for surgical instruments and appliances, the
improved medical practices demand a more advanced anti -corrosion capacity. Due to their specific nature of the
instruments and equipment like Operation Theatre Lights Instrument trolleys, dressing trolleys and
Steam Sterilizers which serve a multiple purpose, have to be built with quality Stainless Steel that offers a better anticorrosion property, Stainless Steel 304 is generally used for these purposes.
Surgical instruments designed today have to be thinner and longer which require materials with increased tensile and
fatigue strength. By improving these strengths, one has to sacrifice the toughness and ductility as all of
these properties are interrelated. Stainless Steel 465 and 455 can accommodate all these properties, thus making
them an obvious choice for making Instruments of desired quality.
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