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

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

Heat Treatment Of Gear Blanks
This section is based on a paper read before the American Gea...

Carburizing Material
The simplest carburizing substance is charcoal. It is also th...

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

Making Steel Balls
Steel balls are made from rods or coils according to size, st...

Annealing Method
Forgings which are too hard to machine are put in pots with ...

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

The Theory Of Tempering
Steel that has been hardened is generally harder and more br...

Pickling The Forgings
The forgings were then pickled in a hot solution of either ni...

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

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

High Speed Steel
For centuries the secret art of making tool steel was handed ...

Steel Before The 1850's
In spite of a rapid increase in the use of machines and the ...

Detrimental Elements
Sulphur and phosphorus are two elements known to be detrimen...

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

Chromium
Chromium when alloyed with steel, has the characteristic func...

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

Heat Treatment Of Axles
Parts of this general type should be heat-treated to show the...

Tool Or Crucible Steel
Crucible steel can be annealed either in muffled furnace or b...



Oil-hardening Steel






Category: THE FORGING OF STEEL

Heat slowly and uniformly to 1,450 deg.F. and
forge thoroughly. Do not under any circumstances attempt to harden
at the forging heat. After cooling from forging reheat to about
1,450 deg.F. and cool slowly so as to remove forging strains.





Next: Chrome-nickel Steel

Previous: Carbon Tool Steel



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