How Stainless Steel Was Invented

Stainless Steel is more than just steel that doesn'tBrearley realised that this new mix would be ideal for
stain! It is an umbrella term that covers various typesa much wider range of products than just rifles,
of steel that are resistant to corrosion. There are atespecially goods where staining and corrosion were
least two claims to the title of inventor, one frombig problems. One such product area was cutlery. At
the UK and one from Sweden. The most likelyfirst Harry's bosses did not see the potential, in fact,
inventor is Harry Brearley, the son of a steel melter.not until he personally arranged for a cutler, R.F.
Harry, who was born in Sheffield in 1871, studied theMosley, to produce some knives. The manager of
properties of steel and the effects that variousMosley, Ernest Stuart, referred to the knives as
production processes had on it."stainless" and the term has stuck ever since. Up until
In 1908, two large steel firms set up a researchthe introduction of stainless steel, cutlery and other
company called Brown Firth Laboratories and askedsteel products had to be constantly cleaned and dried
Harry to head it up. It's job would be to improvethoroughly in order prevent rust corrosion.
production processes. One of the problems he wasEver since, stainless steel has stood for robustness,
asked to solve was the erosion of rifle barrelslongevity and hygiene. A good example is the SE22
through the effects of heat and discharge gasses.Insectocutor fly killer machine. The stainless steel
Brearley's experiments centred on the addition ofconstruction represents high quality and is particularly
chromium and carbon. Steels with chromium as anappropriate to such a top range product as this.
ingredient tended to have a higher melting point andInsectocutor has led the way in fly killing technology
this suggested that chromium may also produce asince the 60's. Inferior plastic products have come
more robust and corrosion-resistant steel. Afterand gone but the solid steel machines of
some trial and error, in 1913 he produced a steel withInsectocutor have always proved to be supremely
a 12.8% chromium content along with 0.24% carbon.robust and reliable. The use of stainless steel for
He subjected the samples that were produced tomodels such as the SE22 further distinguishes the
various chemicals, including acid that would corrodeInsectocutor offer compared to the plastic
standard steel along with vinegar and citrus juice. Thealternatives, such is the quality of stainless steel.
results were spectacular. Not only was the steelThank you Harry!
resistant to corrosion, it did not even stain.