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

Steel Making

Annealing Of High-speed Steel
For annealing high-speed steel, some makers recommend using g...

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

Open Hearth Process
The open hearth furnace consists of a big brick room with a l...

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

Introduction Of Carbon
The matter to which these notes are primarily directed is the...

Heat Treatment Of Lathe Planer And Similar Tools
FIRE.--For these tools a good fire is one made of hard foundr...

Fatigue Tests
It has been known for fifty years that a beam or rod would fa...

Quality And Structure
The quality of high-speed steel is dependent to a very great ...

Sulphur
SULPHUR is another element (symbol S) which is always found i...

The Modern Hardening Room
A hardening room of today means a very different place from ...

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

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

Liberty Motor Connecting Rods
The requirements for materials for the Liberty motor connecti...

Steel Worked In Austenitic State
As a general rule steel should be worked when it is in the a...

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

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

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

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

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

Annealing
ANNEALING can be done by heating to temperatures ranging from...



Annealing In Bone






Category: ANNEALING

Steel and cast iron may both be annealed in granulated bone. Pack the
work the same as for case-hardening except that it is not necessary
to keep the pieces away from each other. Pack with bone that has
been used until it is nearly white. Heat as hot as necessary for
the steel and let the furnace cool down. If the boxes are removed
from furnace while still warm, cover boxes and all in warm ashes
or sand, air slaked lime or old, burned bone to retain heat as
long as possible. Do not remove work from boxes until cold.





Next: Annealing Of Rifle Components At Springfield Armory

Previous: High-carbon Machinery Steel



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