Alloy steel is steel with other metals added to change its properties. A tool of alloy steel.
A little chromium, nickel or vanadium changes hardness, toughness or how it behaves hot. Alloy steel is why one spanner costs three times another that looks the same.
1nounalloy steelSteel with other metals added to change its properties.
“The shaft was alloy steel and outlasted the machine.”
alloy steel is a metal.
Practised in Materials & Substances