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Steel Making

The Packing Department
In Fig. 56 is shown the packing pots where the work is packe...

Restoring Overheated Steel
The effect of heat treatment on overheated steel is shown gra...

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

Corrosion
This steel like any other steel when distorted by cold worki...

Liberty Motor Connecting Rods
The requirements for materials for the Liberty motor connecti...

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

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

Double Annealing
Water annealing consists in heating the piece, allowing it to...

The Penetration Of Carbon
Carburized mild steel is used to a great extent in the manufa...

Temperature Recording And Regulation
Each furnace is equipped with pyrometers, but the reading an...

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

Air-hardening Steels
These steels are recommended for boring, turning and planing...

Preventing Cracks In Hardening
The blacksmith in the small shop, where equipment is usually ...

Annealing Method
Forgings which are too hard to machine are put in pots with ...

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

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

Preventing Carburizing By Copper-plating
Copper-plating has been found effective and must have a thick...

Tensile Properties
Strength of a metal is usually expressed in the number of pou...

Impact Tests
Impact tests are of considerable importance as an indication ...

Heat Treatment Of Milling Cutters Drills Reamers Etc
THE FIRE.--Gas and electric furnaces designed for high heats ...



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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