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Steel Making

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

MANGANESE is a metal much like iron. Its chemical symbol is M...

Quenching Tool Steel
To secure proper hardness, the cooling of quenching of steel ...

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

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

Process Of Carburizing
Carburizing imparts a shell of high-carbon content to a low-...

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

Steel Can Be Worked Cold
As noted above, steel can be worked cold, as in the case of ...

Hardness Testing
The word hardness is used to express various properties of me...

Properties Of Alloy Steels
The following table shows the percentages of carbon, manganes...

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

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

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

A Chromium-cobalt Steel
The Latrobe Steel Company make a high-speed steel without tun...

Care In Annealing
Not only will benefits in machining be found by careful anne...

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

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

The Influence Of Size
The size of the piece influences the physical properties obta...

Carburizing Low-carbon Sleeves
Low-carbon sleeves are carburized and pushed on malleable-ir...

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

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.)]

Next: Hardening High-speed Steel

Previous: A Chromium-cobalt Steel

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