At first sight the interior of the cup will show the leaves scattered about apparently haphazard and with no arrangement; just a jumble of tea-leaves and nothing more. In reality they have come to their positions and have taken on the shapes ... Read more of GENERAL THEORIES IN READING THE CUP at Tea Leaf.caInformational Site Network Informational
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   Home - Steel Making - Categories - Manufacturing and the Economy of Machinery

Steel Making

Surface Carburizing
Carburizing, commonly called case-hardening, is the art of pr...

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

Composition And Properties Of Steel
It is a remarkable fact that one can look through a dozen tex...

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

S A E Heat Treatments
The Society of Automotive Engineers have adopted certain heat...

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

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

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

Knowing What Takes Place
How are we to know if we have given a piece of steel the ver...

Heating Of Manganese Steel
Another form of heat-treating furnace is that which is used ...

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

Composition Of Transmission-gear Steel
If the nickel content of this steel is eliminated, and the pe...

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

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

Effect Of A Small Amount Of Copper In Medium-carbon Steel
This shows the result of tests by C. R. Hayward and A. B. Joh...

Double Annealing
Water annealing consists in heating the piece, allowing it to...

Placing The Thermo-couples
The following illustrations from the Taylor Instrument Compan...

High Speed Steel
For centuries the secret art of making tool steel was handed ...

Optical System And Electrical Circuit Of The Leeds & Northrup Optical Pyrometer
For extremely high temperature, the optical pyrometer is lar...

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



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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