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

High-chromium Or Rust-proof Steel
High-chromium, or what is called stainless steel containing f...

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

Annealing
There is no mystery or secret about the proper annealing of d...

Blending The Compound
Essentially, this consists of the sturdy, power-driven separa...

Critical Points
One of the most important means of investigating the properti...

Hints For Tool Steel Users
Do not hesitate to ask for information from the maker as to t...

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

Rate Of Absorption
According to Guillet, the absorption of carbon is favored by ...

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

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

Carbon In Tool Steel
Carbon tool steel, or tool steel as it is commonly called, us...

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

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

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

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

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

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

William Kelly's Air-boiling Process
An account of Bessemer's address to the British Association w...

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



Heat Treatment Of Steel






Category: HEAT TREATMENT OF STEEL

Heat treatment consists in heating and cooling metal at definite
rates in order to change its physical condition. Many objects may
be attained by correct heat treatment, but nothing much can be
expected unless the man who directs the operations knows what is
the essential difference in a piece of steel at room temperature
and at a red heat, other than the obvious fact that it is hot. The
science of metallography has been developed in the past 25 years,
and aided by precise methods of measuring temperature, has done
much to systematize the information which we possess on metallic
alloys, and steel in particular.





Next: Critical Points

Previous: Blending The Compound



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