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   Home - Steel Making - Categories - Manufacturing and the Economy of Machinery

Steel Making

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

Highly Stressed Parts
The highly stressed parts on the Liberty engine consisted of ...

Phosphorus
Phosphorus is one of the impurities in steel, and it has been...

Molybdenum
Molybdenum steels have been made commercially for twenty-five...

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

Compensating Leads
By the use of compensating leads, formed of the same materia...

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

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

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

Effect Of Different Carburizing Material
[Illustrations: FIGS. 33 to 37.] Each of these different p...

Vanadium
Vanadium has a very marked effect upon alloy steels rich in c...

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

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

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

Application Of Liberty Engine Materials To The Automotive Industry
The success of the Liberty engine program was an engineer...

Mushet And Bessemer
That Mushet was "used" by Ebbw Vale against Bessemer is, perh...

Application To The Automotive Industry
The information given on the various parts of the Liberty eng...

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

Nickel-chromium
A combination of the characteristics of nickel and the charac...

Chrome-nickel Steel
Forging heat of chrome-nickel steel depends very largely on ...



Annealing






Category: ALLOYS AND THEIR EFFECT UPON STEEL

ANNEALING can be done by heating to temperatures ranging from 1,290
to 1,380 deg.F. and cooling in air or quenching in water or oil. After
this treatment the forgings will have a hardness of about 200 Brinell
and a tensile strength of 100,000 to 112,000 lb. per square inch.
If softer forgings are desired they can be heated to a temperature
of from 1,560 to 1,650 deg.F. and cooled very slowly. Although softer
the forgings will not machine as smoothly as when annealed at the
lower temperature.





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Previous: High-chromium Or Rust-proof Steel



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