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Steel Making

Machineability
Reheating for machine ability was done at 100 deg. less than ...

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

Effects Of Proper Annealing
Proper annealing of low-carbon steels causes a complete solu...

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

Connecting Rods
The material used for all connecting rods on the Liberty engi...

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

Process Of Carburizing
Carburizing imparts a shell of high-carbon content to a low-...

Molybdenum
Molybdenum steels have been made commercially for twenty-five...

Manganese
MANGANESE is a metal much like iron. Its chemical symbol is M...

Carbon-steel Forgings
Low-stressed, carbon-steel forgings include such parts as car...

Instructions For Working High-speed Steel
Owing to the wide variations in the composition of high-speed...

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

Uses Of The Various Tempers Of Carbon Tool Steel
DIE TEMPER.--No. 3: All kinds of dies for deep stamping, pres...

Piston Pin
The piston pin on an aviation engine must possess maximum res...

Liberty Motor Connecting Rods
The requirements for materials for the Liberty motor connecti...

Cyanide Bath For Tool Steels
All high-carbon tool steels are heated in a cyanide bath. Wi...

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

Heat Treatment Of Milling Cutters Drills Reamers Etc
THE FIRE.--Gas and electric furnaces designed for high heats ...

Carbon Steels For Different Tools
All users of tool steels should carefully study the different...

Heat Treatment Of Steel
Heat treatment consists in heating and cooling metal at defin...



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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