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

Fatigue Tests
It has been known for fifty years that a beam or rod would fa...

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

Molybdenum
Molybdenum steels have been made commercially for twenty-five...

Heat-treating Equipment And Methods For Mass Production
The heat-treating department of the Brown-Lipe-Chapin Company...

Flange Shields For Furnaces
Such portable flame shields as the one illustrated in Fig. 1...

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

Shrinking And Enlarging Work
Steel can be shrunk or enlarged by proper heating and cooling...

Annealing Work
With the exception of several of the higher types of alloy s...

Steel For Chisels And Punches
The highest grades of carbon or tempering steels are to be re...

Tensile Properties
Strength of a metal is usually expressed in the number of pou...

Preventing Decarbonization Of Tool Steel
It is especially important to prevent decarbonization in such...

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

Tungsten
Tungsten, as an alloy in steel, has been known and used for a...

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

The Care Of Carburizing Compounds
Of all the opportunities for practicing economy in the heat-t...

Tempering Colors On Carbon Steels
Opinions differ as to the temperature which is indicated by t...

Heat-treating Department
The heat-treating department occupies an L-shaped building. ...

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

Drop Forging Dies
The kind of steel used in the die of course influences the he...



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.





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Previous: Steel Can Be Worked Cold



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