Translation guide
A type of tool steel that retains hardness at high temperatures, used for cutting tools. In Japanese, it is most commonly referred to as ハイス (haisu) or 高速度鋼 (こうそくどこう).
The alloy steel used for drills, end mills, lathe bits, etc.
The most common term in everyday engineering and hobbyist contexts. Derived from German 'HSS' (Hochgeschwindigkeitsstahl).
このドリルはハイス製です。
This drill is made of high-speed steel.
A hybrid term combining the loanword and the kanji for steel. Common in tool catalogs.
ハイス鋼のエンドミルを購入しました。
I bought a high-speed steel end mill.
Full technical name meaning 'high-speed tool steel'. Rarely used outside material science contexts.
高速度工具鋼の一種にSKH51があります。
SKH51 is a type of high-speed tool steel.
The formal Japanese term, often used in technical documents or material specifications.
高速度鋼は耐熱性に優れています。
High-speed steel has excellent heat resistance.