CASE HARDENER

Domain	Definition
Occupations	Controls furnace to harden surface of steel objects, using any of following methods: (1) Places objects in wire basket and immerses them in heated chemical bath, such as sodium cyanide. (2) Packs objects in metal boxes filled with carbonaceous material, such as coke, coal, bone charcoal, or barium carbonate, and charges boxes into furnace. (3) Charges objects into furnace and opens valves to circulate carbon-rich gas, such as methane, around objects during heating process. Removes objects from bath or furnace and quenches objects in oil, water, or brine, or allows objects to cool to predetermined temperature before quenching, depending on metal properties specified. May be designated according to article case-hardened as Die Case Hardener (heat treating); or by process used as Cyanide Furnace Operator (heat treating). (references)
	Tends battery of molten carbonizing salt bath or ammonia-methane furnaces that case harden steel objects, such as buckles, screws, wrenches, and bicycle crank cups: Loads objects by hand into wire basket attached to steel-rod handle. Immerses basket into chemical bath inside furnace pot or into ammonia-methane furnace. Scoops salt into furnace pots to maintain bath level or opens valves to inject gases into furnace, and sets timer. Removes basket from furnace at end of heating cycle and dumps objects into mesh container submerged in tank of quenching oil. May lift container from quenching tank and dip container in rinse water. Dumps objects into box or tray. May signal forklift operator to deposit or extract containers of objects into and from furnaces and quenching and rinse tanks. (references)
Source: compiled by the editor from various references; see credits.

Anagrams: CASE HARDENER

Scrabble® Enable2K-Verified Anagrams
	Words within the letters "a-a-c-d-e-e-e-h-n-r-r-s"
	-2 letters: adherences, researched.
	-3 letters: adherence, careeners, drenchers, hardeners, headraces, rehardens, rehearsed, scarehead, serenader.
	-4 letters: adherers, ascender, careened, careener, careered, cesarean, charades, cheerers, chresard, creeshed, decrease, decreers, drencher, drenches, earaches, encashed, enchased, enchaser, haeredes, handcars, hardcase, hardener, headrace, ranchers, reachers, reascend, reearned, reharden, rehearse, rescreen, research, screened, screener, searched, searcher, secerned, serenade.
	-5 letters: achenes, adherer, adheres.
Source: compiled by the editor from various references; see credits. SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro.