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

Application To The Automotive Industry
The information given on the various parts of the Liberty eng...

The Pyrometer And Its Use
In the heat treatment of steel, it has become absolutely nece...

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

Cutting-off Steel From Bar
To cut a piece from an annealed bar, cut off with a hack saw,...

Heat Treatment Of Punches And Dies Shears Taps Etc
HEATING.--The degree to which tools of the above classes shou...

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

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

Carbon Tool Steel
Heat to a bright red, about 1,500 to 1,550 deg.F. Do not ham...

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

Quality And Structure
The quality of high-speed steel is dependent to a very great ...

Correction By Zero Adjustment
Many pyrometers are supplied with a zero adjuster, by means ...

For Milling Cutters And Formed Tools
FORGING.--Forge as before.--ANNEALING.--Place the steel in a ...

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

Placing Of Pyrometers
When installing a pyrometer, care should be taken that it re...

Short Method Of Treatment
In the new method, the packed pots are run into the case-har...

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

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

Hardening
Steel is hardened by quenching from above the upper critical....

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



Forging High-speed Steel






Category: THE FORGING OF STEEL

Heat very slowly and carefully to from 1,800
to 2,000 deg.F. and forge thoroughly and uniformly. If the forging
operation is prolonged do not continue forging the tool when the
steel begins to stiffen under the hammer. Do not forge below 1,700 deg.F.
(a dark lemon or orange color). Reheat frequently rather than prolong
the hammering at the low heats.

After finishing the forging allow the tool to cool as slowly as
possible in lime or dry ashes; avoid placing the tool on the damp
ground or in a draught of air. Use a good clean fire for heating.
Do not allow the tool to soak at the forging heat. Do not heat any
more of the tool than is necessary in order to forge it to the
desired shape.





Next: Carbon Tool Steel

Previous: Steel Can Be Worked Cold



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