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

Ebbw Vale And The Bessemer Process
After his British Association address in August 1856, Besseme...

Heat Treatment Of Axles
Parts of this general type should be heat-treated to show the...

Open Hearth Process
The open hearth furnace consists of a big brick room with a l...

Connecting Rods
The material used for all connecting rods on the Liberty engi...

Effect Of A Small Amount Of Copper In Medium-carbon Steel
This shows the result of tests by C. R. Hayward and A. B. Joh...

Plant For Forging Rifle Barrels
The forging of rifle barrels in large quantities and heat-tre...

Steel Before The 1850's
In spite of a rapid increase in the use of machines and the ...

Correction For Cold-junction Errors
The voltage generated by a thermo-couple of an electric pyrom...

Preventing Decarbonization Of Tool Steel
It is especially important to prevent decarbonization in such...

Effects Of Proper Annealing
Proper annealing of low-carbon steels causes a complete solu...

Pickling The Forgings
The forgings were then pickled in a hot solution of either ni...

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

A Chromium-cobalt Steel
The Latrobe Steel Company make a high-speed steel without tun...

Carbon In Tool Steel
Carbon tool steel, or tool steel as it is commonly called, us...

An Automatic Temperature Control Pyrometer
Automatic temperature control instruments are similar to the ...

Annealing
There is no mystery or secret about the proper annealing of d...

Hardening Operation
Hardening a gear is accomplished as follows: The gear is tak...

Suggestions For Handling High-speed Steels
The following suggestions for handling high-speed steels are ...

Hints For Tool Steel Users
Do not hesitate to ask for information from the maker as to t...



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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