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Steel Making

Pickling The Forgings
The forgings were then pickled in a hot solution of either ni...

For Milling Cutters And Formed Tools
FORGING.--Forge as before.--ANNEALING.--Place the steel in a ...

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

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...

Carburizing By Gas
The process of carburizing by gas, briefly mentioned on page ...

Critical Points
One of the most important means of investigating the properti...

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

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

Preventing Cracks In Hardening
The blacksmith in the small shop, where equipment is usually ...

The Thermo-couple
With the application of the thermo-couple, the measurement of...

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

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

Classifications Of Steel
Among makers and sellers, carbon tool-steels are classed by g...

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

Alloying Elements
Commercial steels of even the simplest types are therefore p...

William Kelly's Air-boiling Process
An account of Bessemer's address to the British Association w...

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

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

Placing Of Pyrometers
When installing a pyrometer, care should be taken that it re...



Placing The Thermo-couples






Category: PYROMETRY AND PYROMETERS

The following illustrations from the Taylor Instrument Company
show different applications of the thermo-couples to furnaces of
various kinds. Figure 118 shows an oil-fired furnace with a simple
vertical installation. Figure 119 shows a method of imbedding the
thermo-couple in the floor of a furnace so as to require no space
in the heating chamber.



Various methods of applying a pyrometer to common heat-treatment
furnaces are shown in Figs. 120 to 122.





Next: Leeds And Northrup Optical Pyrometer

Previous: The Leeds And Northrup Potentiometer System



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