| MEMORY GEMS. One to-day is worth two to-morrows.--Franklin Whilst we are considering when we are to begin, it is often too late to act.--Quintilian By the street of by and by one arrives at the house of never.--Cervantes When... Read more of PROMPTNESS. at Difficult.ca |  InformationalPrivacy |
ANNEALINGMachineability Reheating for machine ability was done at 100 deg. less than the drawing temperature, but the time of soaking is more than double. After both drawing and reheating, the blanks were buried in lime where they remain,... Annealing There is no mystery or secret about the proper annealing of different steels, but in order to secure the best results it is absolutely necessary for the operator to know the kind of steel which is to be annealed. T... Annealing Of High-speed Steel For annealing high-speed steel, some makers recommend using ground mica, charcoal, lime, fine dry ashes or lake sand as a packing in the annealing boxes. Mixtures of one part charcoal, one part lime and three parts... Tool Or Crucible Steel Crucible steel can be annealed either in muffled furnace or by being packed. Packing is by far the most satisfactory method as it prevents scaling, local hard spots, uneven annealing, or violent changes in shape. I... Annealing Alloy Steel The term alloy steel, from the steel maker's point of view, refers largely to nickel and chromium steel or a combination of both. These steels are manufactured very largely by the open-hearth process, although chro... High-carbon Machinery Steel The carbon content of this steel is above 30 points and is hardly ever above 60 points or 0.60 per cent. Annealing such steel is generally in quantity production and does not require the care that the other steels ... Annealing In Bone Steel and cast iron may both be annealed in granulated bone. Pack the work the same as for case-hardening except that it is not necessary to keep the pieces away from each other. Pack with bone that has been used u... |
CategoriesAlloys And Their Effect Upon SteelAnnealing Application Of Liberty Engine Materials To The Automotive Industry Case-hardening Or Surface-carburizing Composition And Properties Of Steel Furnaces Hardening Carbon Steel For Tools Heat Treatment Of Steel High-speed Steel Pyrometry And Pyrometers Steel Making The Forging Of Steel |
