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Steel MakingThe Care Of Carburizing CompoundsOf all the opportunities for practicing economy in the heat-t... Heat Treatment Of Lathe Planer And Similar Tools FIRE.--For these tools a good fire is one made of hard foundr... Properties Of Steel Steels are known by certain tests. Early tests were more or l... Optical System And Electrical Circuit Of The Leeds & Northrup Optical Pyrometer For extremely high temperature, the optical pyrometer is lar... Annealing Work With the exception of several of the higher types of alloy s... Manganese Manganese adds considerably to the tensile strength of steel,... Detrimental Elements Sulphur and phosphorus are two elements known to be detrimen... Alloying Elements Commercial steels of even the simplest types are therefore p... Ebbw Vale And The Bessemer Process After his British Association address in August 1856, Besseme... Piston Pin The piston pin on an aviation engine must possess maximum res... The Thermo-couple With the application of the thermo-couple, the measurement of... Manganese MANGANESE is a metal much like iron. Its chemical symbol is M... Properties Of Alloy Steels The following table shows the percentages of carbon, manganes... Shrinking And Enlarging Work Steel can be shrunk or enlarged by proper heating and cooling... Annealing There is no mystery or secret about the proper annealing of d... Silicon Silicon prevents, to a large extent, defects such as gas bubb... Protective Screens For Furnaces Workmen needlessly exposed to the flames, heat and glare from... The Modern Hardening Room A hardening room of today means a very different place from ... Annealing ANNEALING can be done by heating to temperatures ranging from... The Penetration Of Carbon Carburized mild steel is used to a great extent in the manufa... |
Uses Of The Various Tempers Of Carbon Tool SteelCategory: HARDENING CARBON STEEL FOR TOOLS DIE TEMPER.--No. 3: All kinds of dies for deep stamping, pressing and drop forgings. Mining drills to harden only. Easily weldable. SMITHS' TOOL TEMPER.--No. 3-1/2: Large punches, minting and rivet dies, nailmakers' tools, hammers, hot and cold sets, snaps and boilermakers' tools, various smiths' tools, large shear blades, double-handed chisels, caulking tools, heading dies, masons' tools and tools for general welding purposes. SHEAR BLADE TEMPER.--No. 4: Punches, large taps, screwing dies, shear blades, table cutlery, circular and long saws, heading dies. Weldable. GENERAL PURPOSE TEMPER.--No. 4-1/2: Taps, small punches, screwing dies, sawwebs, needles, etc., and for all general purposes. Weldable. AXE TEMPER.--No. 5: Axes, chisels, small taps, miners' drills and jumpers to harden and temper, plane irons. Weldable with care. CUTLERY TEMPER.--No. 5-1/2: Large milling cutters, reamers, pocket cutlery, wood tools, short saws, granite drills, paper and tobacco knives. Weldable with very great care. TOOL TEMPER.--No. 6: Turning, planing, slotting, and shaping tools, twist drills, mill picks, scythes, circular cutters, engravers' tools, surgical cutlery, circular saws for cutting metals, bevel and other sections for turret lathes. Not weldable. HARD TOOL TEMPER.--No. 6-1/2: Small twist drills, razors, small and intricate engravers' tools, surgical instruments, knives. Not weldable. RAZOR TEMPER.--No. 7: Razors, barrel boring bits, special lathe tools for turning chilled rolls. Not weldable. Next: Steel For Chisels And Punches Previous: Carbon Steels For Different Tools
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