High speed steel (HSS or HS) is a subset of tool steels, commonly used in tool bits and cutting tools. It is often used in power saw blades and drill bits. It is superior to the older high carbon steel tools used extensively through the 1940s in that it can withstand higher temperatures without losing its temper (hardness). This property allows HSS to cut faster than high carbon steel, hence the name high speed steel. At room temperature, in their generally recommended heat treatment, HSS grades generally display high hardness (above HRC60) and a high abrasion resistance (generally linked to tungsten and vanadium content often used in HSS) compared to common carbon and tool steels.
Read more about High Speed Steel: History, Types, Coatings, Surface Modification, Applications
Famous quotes containing the words high, speed and/or steel:
“Go on, high ship, since now, upon the shore,
The snake has left its skin upon the floor.
Key West sank downward under massive clouds
And silvers and greens spread over the sea. The moon
Is at the mast-head and the past is dead.”
—Wallace Stevens (1879–1955)
“Spig Wead: I’ve been thinking what a heel I’ve been about you and about my own kids. I don’t know, when I do something, I go all the way. Living. Gambling. Flying. I tap myself out. I guess that’s the way I want it to be. Maybe even the way I am.
Minne Wead: Star-spangled Spig. Damn the martinis, full speed ahead and don’t give up the ship.”
—Frank Fenton, William Wister Haines, co-scenarist, and John Ford. Spig Wead (John Wayne)
“The tyrant custom, most grave senators,
Hath made the flinty and steel couch of war
My thrice-driven bed of down.”
—William Shakespeare (1564–1616)