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Steel Making

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

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

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

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

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

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

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

Affinity Of Nickel Steel For Carbon
The carbon- and nickel-steel gears are carburized separately...

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...

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

Crucible Steel
Crucible steel is still made by melting material in a clay or...

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

Effects Of Proper Annealing
Proper annealing of low-carbon steels causes a complete solu...

Heat-treating Equipment And Methods For Mass Production
The heat-treating department of the Brown-Lipe-Chapin Company...

Cyanide Bath For Tool Steels
All high-carbon tool steels are heated in a cyanide bath. Wi...

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

Pyrometry And Pyrometers
A knowledge of the fundamental principles of pyrometry, or th...

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

Carbon Tool Steel
Heat to a bright red, about 1,500 to 1,550 deg.F. Do not ham...



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.





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Previous: High-carbon Machinery Steel



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