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   Home - Steel Making - Categories - Manufacturing and the Economy of Machinery

Steel Making

Leeds And Northrup Optical Pyrometer
The principles of this very popular method of measuring tempe...

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

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

The Forging Of Steel
So much depends upon the forging of steel that this operation...

Hardening
The forgings can be hardened by cooling in still air or quen...

The Penetration Of Carbon
Carburized mild steel is used to a great extent in the manufa...

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

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

Mushet And Bessemer
That Mushet was "used" by Ebbw Vale against Bessemer is, perh...

Hardening Carbon Steel For Tools
For years the toolmaker had full sway in regard to make of st...

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

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

The Pyrometer And Its Use
In the heat treatment of steel, it has become absolutely nece...

Correction By Zero Adjustment
Many pyrometers are supplied with a zero adjuster, by means ...

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

Making Steel Balls
Steel balls are made from rods or coils according to size, st...

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

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

Non-shrinking Oil-hardening Steels
Certain steels have a very low rate of expansion and contract...

Application Of Liberty Engine Materials To The Automotive Industry
The success of the Liberty engine program was an engineer...



Pyrometers For Molten Metal






Category: PYROMETRY AND PYROMETERS

Pyrometers for molten metal are connected to portable thermocouples
as in Fig. 132. Usually the pyrometer is portable, as shown in
this case, which is a Brown. Other methods of mounting for this
kind of work arc shown in Figs. 133 and 134. The bent mountings
are designed for molten metal, such as brass or copper and are
supplied with either clay, graphite or carborundum tubes. Fifteen
feet of connecting wire is usually supplied.

The angle mountings, Fig. 134, are recommended for baths such as
lead or cyanide. The horizontal arm is usually about 14 in. long,
and the whole mounting is easily taken apart making replacements
very easy. Details of the thermo-couple shown in Fig. 132 are given
in Fig. 135. This is a straight rod with a protector for the hand
of the operator. The lag in such couples is less than one minute.
These are Englehard mountings.





Next: Protectors For Thermo-couples

Previous: An Automatic Temperature Control Pyrometer



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