Red-Hardness

0.01 sec.

red-hardness [′red ¦härd·nəs]

(metallurgy)

In reference to high-speed steel and other cutting tool materials, the property of being hard enough to cut metals even when heated to a dull-red color.

Red-Hardness

(also called heat resistance), the ability of steel, upon heating to red heat, to retain the great hardness and durability obtained through heat treatment. A high level of red-hardness is characteristic of tool steel. Red-hardness is achieved by alloying steel with tungsten, molybdenum, vanadium, and chromium, as well as by high-temperature hardening. Red-hardness is defined as the maximum temperature at which steel retains a given hardness. For example, high-speed steel retains Rockwell C hardness of up to 60 at 620°-650°C. Hard alloys have the highest level of red-hardness (up to 900°C).

Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content.

?Page tools

Printer friendly
Cite / link

Feedback

Mentioned in	?		Encyclopedia browser	?		Full browser	?
No references found			red stripe Red Tambov Cattle red tape red tetrazolium red thermit red thread red tide Red Top Mountain State Park & Lodge Red Turbans Red Turbans Rebellion of 1351–68 Red Waistcoat Festival red water red white-dwarf star Red Willow County Red Willow Reservoir State Recreation Area Red Wing red wire red zinc ore red zone Red, White and Blue Red-Backed Mice Red-backed Shrike Red-Billed Chough Red-Breasted Rose Finch red-figure pottery Red-Hardness Red-Headed League, the Red-Shortness Red-Spotted Bluethroat red-tape operation Red-Toothed Shrews Red-Yellow Podzolic soil redact Redaction Redan redbed redbird Redbreast redbrick Redbridge redbud Redcar and Cleveland Redcliffe Plantation State Historic Site redcoat Redcode redcurrant Redding Redding, J. Saunders Redding, Otis Reddish-Brown Lateritic soil Reddish-Brown soil			Red-footed Boobies Red-footed Booby Red-footed Booby red-free filter red-free ophthalmoscopy red-fruited Red-giant Red-giant red-gray red-green blindness red-green blindness red-green blindness Red-Green Color Blind red-green color blindness red-green color blindness red-green color blindness Red-green colorblindness Red-green colorblindness Red-green colorblindness red-green colour blindness red-green colour deficiency red-green dichromacy Red-Green-Blue Red-Green-Green-Blue red-grey Red-gum Red-Haired Red-hand red-handed red-handedly Red-Hardness Red-headed Red-headed Red-Headed League, the Red-headed Woodpecker red-header red-heart bullock bush red-hot red-hot red-hot poker red-hot poker red-hot pokers Red-hot-poker red-ink red-ink red-ink red-ink plant red-lavender Red-lead Red-lead Red-lead ore red-lead putty Red-legged crow red-legged partridge Red-legged Seriema red-legged tick red-letter red-letter day red-letter day red-letter days Red-light area

Encyclopedia

Free Tools:	For surfers: Free toolbar & extensions \| Word of the Day \| Help For webmasters: Free content \| Linking \| Lookup box \| Double-click lookup

Disclaimer
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.