oil-hardened steel

ریشه

The word 'oil' comes from the Old English word 'ol', which is derived from the Latin word 'oleum' meaning 'olive oil'. 'Hardened' comes from the Old English word 'heardian' meaning 'to make hard'. 'Steel' comes from the Old English word 'stēl' meaning 'steel'.

مثال

• Oil-hardened steel is commonly used in the manufacturing of tools.
• The process of oil-hardening steel involves heating it to a specific temperature and then rapidly cooling it in oil.
• Oil-hardened steel has superior strength and resistance to wear compared to regular steel.

ترکیب‌های رایج

Manufacture oil-hardened steel Heat and quench steel Oil-hardened steel tools Resistance to wear Hardened surface