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Steel Can Be Worked Cold
As noted above, steel can be worked cold, as in the case of ...

Hardening High-speed Steels
We will now take up the matter of hardening high-speed steels...

Quenching
It is considered good practice to quench alloy steels from th...

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

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

Composition Of Transmission-gear Steel
If the nickel content of this steel is eliminated, and the pe...

Lathe And Planer Tools
FORGING.--Gently warm the steel to remove any chill, is parti...

Bessemer Process
The bessemer process consists of charging molten pig iron int...

Typical Oil-fired Furnaces
Several types of standard oil-fired furnaces are shown herew...

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

Phosphorus
PHOSPHORUS is an element (symbol P) which enters the metal fr...

The Forging Of Steel
So much depends upon the forging of steel that this operation...

Highly Stressed Parts
The highly stressed parts on the Liberty engine consisted of ...

The Thermo-couple
With the application of the thermo-couple, the measurement of...

Furnace Data
In order to give definite information concerning furnaces, fu...

Heat Treatment Of Gear Blanks
This section is based on a paper read before the American Gea...

High-carbon Machinery Steel
The carbon content of this steel is above 30 points and is ha...

Using Illuminating Gas
The choice of a carburizing furnace depends greatly on the fa...

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

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



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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