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The Effect Of Tempering On Water-quenched Gages
The following information has been supplied by Automatic and ...

Carburizing Low-carbon Sleeves
Low-carbon sleeves are carburized and pushed on malleable-ir...

Annealing Of High-speed Steel
For annealing high-speed steel, some makers recommend using g...

Application To The Automotive Industry
The information given on the various parts of the Liberty eng...

Complete Calibration Of Pyrometers
For the complete calibration of a thermo-couple of unknown e...

Short Method Of Treatment
In the new method, the packed pots are run into the case-har...

Machineability
Reheating for machine ability was done at 100 deg. less than ...

Robert Mushet
Robert (Forester) Mushet (1811-1891), born in the Forest of D...

Instructions For Working High-speed Steel
Owing to the wide variations in the composition of high-speed...

Classifications Of Steel
Among makers and sellers, carbon tool-steels are classed by g...

Nickel-chromium
A combination of the characteristics of nickel and the charac...

Hardening High-speed Steel
In forging use coke for fuel in the forge. Heat steel slowly ...

Rate Of Absorption
According to Guillet, the absorption of carbon is favored by ...

Calibration Of Pyrometer With Common Salt
An easy and convenient method for standardization and one whi...

Quenching The Work
In some operations case-hardened work is quenched from the bo...

Pyrometers
Armor plate makers sometimes use the copper ball or Siemens' ...

Tempering Round Dies
A number of circular dies of carbon tool steel for use in too...

Heat Treatment Of Punches And Dies Shears Taps Etc
HEATING.--The degree to which tools of the above classes shou...

Piston Pin
The piston pin on an aviation engine must possess maximum res...

Flange Shields For Furnaces
Such portable flame shields as the one illustrated in Fig. 1...



Carbon In Tool Steel






Category: HARDENING CARBON STEEL FOR TOOLS

Carbon tool steel, or tool steel as it is commonly called, usually
contains from 80 to 125 points (or from 0.80 to 1.25 per cent)
of carbon, and none of the alloys which go to make up the high
speed steels. This was formerly known also as crucible or cast
steel, or crucible cast steel, from the way in which it was made.
This was before the days of steel castings. The advent of these
caused so much confusion that the term was soon dropped. When we
say tool steel, we nearly always refer to carbon-tool steel,
high-speed steel being usually designated by that name.

For many purposes carbon-steel cutters are still found best, although
where a large amount of material is to be removed at a rapid rate,
it has given way to high-speed steels.





Next: Carbon Steels For Different Tools

Previous: Take Time For Hardening



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