What is another word for oil-hardened steel?
Pronunciation: [ˈɔ͡ɪlhˈɑːdənd stˈiːl] (IPA) 
Oil-hardened steel is a type of tool steel that has been hardened through the use of oil quenching. It is a durable and long-lasting metal that is commonly used in the manufacturing of cutting tools, gears, and machine components. Synonyms for oil-hardened steel include O1 steel, AISI O1 steel, 1.2510 steel, and SKS3 steel. As a high-carbon steel with good wear resistance, oil-hardened steel is a popular choice for applications that require toughness and strength, such as knives and punches. With its excellent machining and surface finish properties, oil-hardened steel is also frequently used in the production of precision machinery and instrumentation.
