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Steel Making

Bessemer Process
The bessemer process consists of charging molten pig iron int...

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

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

Judging The Heat Of Steel
While the use of a pyrometer is of course the only way to hav...

Shrinking And Enlarging Work
Steel can be shrunk or enlarged by proper heating and cooling...

Calibration Of Pyrometer With Common Salt
An easy and convenient method for standardization and one whi...

Preventing Carburizing By Copper-plating
Copper-plating has been found effective and must have a thick...

The Care Of Carburizing Compounds
Of all the opportunities for practicing economy in the heat-t...

Steel For Chisels And Punches
The highest grades of carbon or tempering steels are to be re...

Preventing Decarbonization Of Tool Steel
It is especially important to prevent decarbonization in such...

Suggestions For Handling High-speed Steels
The following suggestions for handling high-speed steels are ...

Tempering Colors On Carbon Steels
Opinions differ as to the temperature which is indicated by t...

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

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

Forging High-speed Steel
Heat very slowly and carefully to from 1,800 to 2,000 deg.F....

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

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

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

High-carbon Machinery Steel
The carbon content of this steel is above 30 points and is ha...

Silicon
SILICON is a very widespread element (symbol Si), being an es...



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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