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Gears
The material used for all gears on the Liberty engine was sel...

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

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

Knowing What Takes Place
How are we to know if we have given a piece of steel the ver...

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

Case-hardening Treatments For Various Steels
Plain water, salt water and linseed oil are the three most co...

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

Annealing Alloy Steel
The term alloy steel, from the steel maker's point of view, r...

S A E Heat Treatments
The Society of Automotive Engineers have adopted certain heat...

Gas Consumption For Carburizing
Although the advantages offered by the gas-fired furnace for ...

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

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

Temperature For Annealing
Theoretically, annealing should be accomplished at a tempera...

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

Standard Analysis
The selection of a standard analysis by the manufacturer is t...

Rate Of Cooling
At the option of the manufacturer, the above treatment of gea...

Chrome-nickel Steel
Forging heat of chrome-nickel steel depends very largely on ...

Refining The Grain
This is remedied by reheating the piece to a temperature slig...

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

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



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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