tempered steel


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tempered steel

Steel that has been heated to a high temperature and then quenched, usually a number of times, a process that significantly hardens it; also called case-hardened steel.
References in periodicals archive ?
The contribution of Mn-C solid solution defect pair to the work hardening of these Stage I tempered martensitic steels is still speculative, but the results obtained are better than quench and tempered steels with similar Ni contents.
Tempered Steel: The Three Wars of Triple Air Force Cross Winner Jim Kasler chronicles the heroic life of this Air Force colonel, a jet-fighter ace during the Korean War and the only Airman in history to receive three Air Force Crosses.
11; "Tempered Steel" by Charles Young; "And Can It Be?" by David Gillingham, a tribute to those affected by the Columbine school tragedy; "Cloudburst" by Eric Whitacre; and "Folk Festival" (from the "Gadfly Suite') by Dmitri Shostakovich.
You can use quenched and tempered steel, but it would not have been economical at that time."
The springs are made of the best quality tempered steel and are padded and protected by layers of foam, fibre, hessian, felt and fire retardant interliner.
The child-resistant, tempered steel, key-operated locks, provided at cost by shotgun maker OF.
The trowels have wood handles, and their blades are made of high-carbon, hot-rolled, tempered steel. Each has inch and centimeter markings for measuring planting depth.
The optimum alloy turned out to be a modified version of the existing A709 grade 485W quenched and tempered steel. The big difference is that the carbon level was greatly reduced, thereby providing the large boosts in weldability and toughness.
They included, among others, the Eagle line of aluminum and tempered steel electronic calipers, the TESA-Hite height gage, and the TESATronic electronic measuring gages.
Innersprings are now zoned with 50 percent more tempered steel in the helical wire under the support zones, while foundations are zoned using a mixture of PowerFlex torsion bars and formed steel.
The lifestyle, however, creates a worker as tough as tempered steel. "They work every unit just like it was the first and last," says Marlette's Lonnie Schmidt.