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Steel Making

Annealing Alloy Steel
The term alloy steel, from the steel maker's point of view, r...

Phosphorus
Phosphorus is one of the impurities in steel, and it has been...

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

The Electric Process
The fourth method of manufacturing steel is by the electric f...

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

The Quenching Tank
The quenching tank is an important feature of apparatus in c...

Heating
Although it is possible to work steels cold, to an extent de...

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

Complete Calibration Of Pyrometers
For the complete calibration of a thermo-couple of unknown e...

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

Compensating Leads
By the use of compensating leads, formed of the same materia...

Vanadium
Vanadium has a very marked effect upon alloy steels rich in c...

Annealing Method
Forgings which are too hard to machine are put in pots with ...

Impact Tests
Impact tests are of considerable importance as an indication ...

The Packing Department
In Fig. 56 is shown the packing pots where the work is packe...

Phosphorus
PHOSPHORUS is an element (symbol P) which enters the metal fr...

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

Take Time For Hardening
Uneven heating and poor quenching has caused loss of many ve...

Application To The Automotive Industry
The information given on the various parts of the Liberty eng...

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



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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