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

Steel Making

Air-hardening Steels
These steels are recommended for boring, turning and planing...

Hints For Tool Steel Users
Do not hesitate to ask for information from the maker as to t...

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

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

Restoring Overheated Steel
The effect of heat treatment on overheated steel is shown gra...

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

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

Double Annealing
Water annealing consists in heating the piece, allowing it to...

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

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 ...

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

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

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

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

Sulphur
Sulphur is another impurity and high sulphur is even a greate...

Testing And Inspection Of Heat Treatment
The hard parts of the gear must be so hard that a new mill f...

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

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

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



Correction By Zero Adjustment






Category: PYROMETRY AND PYROMETERS

Many pyrometers are supplied with
a zero adjuster, by means of which the pointer can be set to any
actual cold-junction temperature. If the cold junction of the
thermo-couple is in a temperature of 100 deg.F., the pointer can be
set to this point on the scale, and the readings of the instrument
will be correct.





Next: Compensating Leads

Previous: Correction For Cold-junction Errors



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