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

Carburizing Material
The simplest carburizing substance is charcoal. It is also th...

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

Conclusions
Martien was probably never a serious contender for the honor ...

Pyrometers For Molten Metal
Pyrometers for molten metal are connected to portable thermoc...

Heat Treatment Of Axles
Parts of this general type should be heat-treated to show the...

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

Care In Annealing
Not only will benefits in machining be found by careful anne...

Hardening High-speed Steels
We will now take up the matter of hardening high-speed steels...

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

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

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

Properties Of Steel
Steels are known by certain tests. Early tests were more or l...

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

Cutting-off Steel From Bar
To cut a piece from an annealed bar, cut off with a hack saw,...

Silicon
Silicon prevents, to a large extent, defects such as gas bubb...

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

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

Oil-hardening Steel
Heat slowly and uniformly to 1,450 deg.F. and forge thorough...

Carbon Steels For Different Tools
All users of tool steels should carefully study the different...



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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