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High Speed Steel
For centuries the secret art of making tool steel was handed ...

Temperatures To Use
As soon as the temperature of the steel reaches 100 deg.C. (...

Mushet And Bessemer
That Mushet was "used" by Ebbw Vale against Bessemer is, perh...

Testing And Inspection Of Heat Treatment
The hard parts of the gear must be so hard that a new mill f...

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

Take Time For Hardening
Uneven heating and poor quenching has caused loss of many ve...

Forging High-speed Steel
Heat very slowly and carefully to from 1,800 to 2,000 deg.F....

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

The Modern Hardening Room
A hardening room of today means a very different place from ...

Optical System And Electrical Circuit Of The Leeds & Northrup Optical Pyrometer
For extremely high temperature, the optical pyrometer is lar...

Hardening Carbon Steel For Tools
For years the toolmaker had full sway in regard to make of st...

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

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

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

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

The Electric Process
The fourth method of manufacturing steel is by the electric f...

Introduction Of Carbon
The matter to which these notes are primarily directed is the...

Pyrometry And Pyrometers
A knowledge of the fundamental principles of pyrometry, or th...

Carbon Steels For Different Tools
All users of tool steels should carefully study the different...

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



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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