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Preparing Parts For Local Case-hardening
At the works of the Dayton Engineering Laboratories Company, ...

Connecting Rods
The material used for all connecting rods on the Liberty engi...

The Effect Of Tempering On Water-quenched Gages
The following information has been supplied by Automatic and ...

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

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

Piston Pin
The piston pin on an aviation engine must possess maximum res...

Properties Of Steel
Steels are known by certain tests. Early tests were more or l...

Placing The Thermo-couples
The following illustrations from the Taylor Instrument Compan...

Protective Screens For Furnaces
Workmen needlessly exposed to the flames, heat and glare from...

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

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

Leeds And Northrup Optical Pyrometer
The principles of this very popular method of measuring tempe...

Temperatures To Use
As soon as the temperature of the steel reaches 100 deg.C. (...

Instructions For Working High-speed Steel
Owing to the wide variations in the composition of high-speed...

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

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

A combination of the characteristics of nickel and the charac...

Armor plate makers sometimes use the copper ball or Siemens' ...

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

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

Suggestions For Handling High-speed Steels


The following suggestions for handling high-speed steels are given
by a maker whose steel is probably typical of a number of different
makes, so that they will be found useful in other cases as well.
These include hints as to forging as well as hardening, together
with a list of dont's which are often very useful. This applies
to forging, hardening of lathe, slotting, planing and all similar

and larger is usually mild finished, and can be cut in a hack saw.
If cut off hot, be sure to heat the butt end slowly and thoroughly
in a clean fire. Rapid and insufficient heating invariably cracks
the steel. If you want to stamp the end with the name of the steel,
it is necessary that this is done at a good high orange color heat,
as it is otherwise apt to split the steel. (Take your time, do
not hurry.)]

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Previous: A Chromium-cobalt Steel

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