Tomorrow’s Tech Treepowered by Astra

Materials & Manufacturing · Recorded milestone

Stainless steel

Recorded year1913

Harry Brearley's chromium steel resists corrosion.

Explore this milestone on the interactive map

Built on

No connections of this kind are recorded.

Led to

Muscle-powered Sauerbruch armRecorded · 1916enables
Waterproof wristwatchRecorded · 1926enables
Harmonic drive gearRecorded · 1957enables
Total hip replacementRecorded · 1962enables
Twin-blade cartridge razorRecorded · 1971enables
Coronary stentRecorded · 1986enables

Sources & evidence

Additional source

Dataset updated 2026-10-18. This individual record has not been separately re-reviewed.