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Steel Making

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

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

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

Nickel
Nickel may be considered as the toughest among the non-rare a...

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

Silicon
Silicon prevents, to a large extent, defects such as gas bubb...

High-chromium Or Rust-proof Steel
High-chromium, or what is called stainless steel containing f...

Hardening High-speed Steel
In forging use coke for fuel in the forge. Heat steel slowly ...

Plant For Forging Rifle Barrels
The forging of rifle barrels in large quantities and heat-tre...

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

Properties Of Steel
Steels are known by certain tests. Early tests were more or l...

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

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

Annealing In Bone
Steel and cast iron may both be annealed in granulated bone. ...

Effect Of A Small Amount Of Copper In Medium-carbon Steel
This shows the result of tests by C. R. Hayward and A. B. Joh...

Temperature For Annealing
Theoretically, annealing should be accomplished at a tempera...

The Modern Hardening Room
A hardening room of today means a very different place from ...

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

Knowing What Takes Place
How are we to know if we have given a piece of steel the ver...

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



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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