Stainless steel is used for industrial equipment when it is important that the equipment lasts and can be kept clean
An announcement, as it appeared in the 1915 New York Times, of the development of stainless steel in Sheffield, England.
Haynes' Francis Murphy Temperance pledge card
Monument to Harry Brearley at the former Brown Firth Research Laboratory in Sheffield, England
Boynton Hall at Worcester Technical Institute
Stainless steel (bottom row) resists salt-water corrosion better than aluminium-bronze (top row) or copper-nickel alloys (middle row)
Elwood Haynes driving in his first automobile, the 1894 Pioneer, photo taken c. 1910
Stainless steel is not completely immune to corrosion as shown in this desalination equipment.
A 1903 Haynes-Apperson car advertisement
The nut on the left is not stainless steel and is rusty, unlike the nut on the right.
A 1919 Haynes Automobile Company advertisement
316L stainless steel, with an unpolished, mill finish
Elwood Haynes, c. 1919
Haynes' Kokomo home

He invented the metal alloy stellite and independently co-discovered martensitic stainless steel along with Englishman Harry Brearley in 1912 and designed one of the earliest automobiles made in the United States.

- Elwood Haynes

In 1912, Elwood Haynes applied for a US patent on a martensitic stainless steel alloy, which was not granted until 1919.

- Stainless steel
Stainless steel is used for industrial equipment when it is important that the equipment lasts and can be kept clean

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