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Steel Making

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

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

Temperature For Annealing
Theoretically, annealing should be accomplished at a tempera...

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

The Quenching Tank
The quenching tank is an important feature of apparatus in c...

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

Drop Forging Dies
The kind of steel used in the die of course influences the he...

Hardening
The forgings can be hardened by cooling in still air or quen...

The Forging Of Steel
So much depends upon the forging of steel that this operation...

Heating
Although it is possible to work steels cold, to an extent de...

Machineability
Reheating for machine ability was done at 100 deg. less than ...

Sulphur
Sulphur is another impurity and high sulphur is even a greate...

Making Steel Balls
Steel balls are made from rods or coils according to size, st...

A Satisfactory Luting Mixture
A mixture of fireclay and sand will be found very satisfactor...

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

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

Using Illuminating Gas
The choice of a carburizing furnace depends greatly on the fa...

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

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

Heat Treatment Of Gear Blanks
This section is based on a paper read before the American Gea...



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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