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

Carburizing Low-carbon Sleeves
Low-carbon sleeves are carburized and pushed on malleable-ir...

Drop Forging Dies
The kind of steel used in the die of course influences the he...

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 Recording And Regulation
Each furnace is equipped with pyrometers, but the reading an...

Corrosion
This steel like any other steel when distorted by cold worki...

Steel Before The 1850's
In spite of a rapid increase in the use of machines and the ...

Case-hardening Treatments For Various Steels
Plain water, salt water and linseed oil are the three most co...

Steel Worked In Austenitic State
As a general rule steel should be worked when it is in the a...

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

Manganese
Manganese adds considerably to the tensile strength of steel,...

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

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

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

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

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

Crankshaft
The crankshaft was the most highly stressed part of the entir...

The Effect Of Tempering On Water-quenched Gages
The following information has been supplied by Automatic and ...

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

A Satisfactory Luting Mixture
A mixture of fireclay and sand will be found very satisfactor...



A Satisfactory Luting Mixture






Category: CASE-HARDENING OR SURFACE-CARBURIZING

A mixture of fireclay and sand will be found very satisfactory
for closing up the boxes, and by observing the appearance of the
work when taken out we can gage the suitability of the methods
employed, for unless the boxes are carefully sealed the work is
generally covered with dark scales, while if properly done the
articles will be of a light gray.

By observing the above recommendations reliable results can be obtained,
and we can expect uniform results after quenching.





Next: Gas Consumption For Carburizing

Previous: Using Illuminating Gas



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