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Machineability
Reheating for machine ability was done at 100 deg. less than ...

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

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

Annealing To Relieve Internal Stresses
Work quenched from a high temperature and not afterward tempe...

Carbon-steel Forgings
Low-stressed, carbon-steel forgings include such parts as car...

Cyanide Bath For Tool Steels
All high-carbon tool steels are heated in a cyanide bath. Wi...

Hardening High-speed Steel
In forging use coke for fuel in the forge. Heat steel slowly ...

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

Pyrometers For Molten Metal
Pyrometers for molten metal are connected to portable thermoc...

Nickel-chromium
A combination of the characteristics of nickel and the charac...

Annealing In Bone
Steel and cast iron may both be annealed in granulated bone. ...

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

Uses Of The Various Tempers Of Carbon Tool Steel
DIE TEMPER.--No. 3: All kinds of dies for deep stamping, pres...

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

An Automatic Temperature Control Pyrometer
Automatic temperature control instruments are similar to the ...

Correction For Cold-junction Errors
The voltage generated by a thermo-couple of an electric pyrom...

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

Tempering Round Dies
A number of circular dies of carbon tool steel for use in too...

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

Vanadium
Vanadium has a very marked effect upon alloy steels rich in c...



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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