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Steel Making

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

Plant For Forging Rifle Barrels
The forging of rifle barrels in large quantities and heat-tre...

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

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

Non-shrinking Oil-hardening Steels
Certain steels have a very low rate of expansion and contract...

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

Quenching
It is considered good practice to quench alloy steels from th...

Alloying Elements
Commercial steels of even the simplest types are therefore p...

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

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

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

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

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

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

Restoring Overheated Steel
The effect of heat treatment on overheated steel is shown gra...

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

Hardening Operation
Hardening a gear is accomplished as follows: The gear is tak...

Hardening
The forgings can be hardened by cooling in still air or quen...

Annealing Of Rifle Components At Springfield Armory
In general, all forgings of the components of the arms manufa...

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



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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