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

Hardening High-speed Steels
We will now take up the matter of hardening high-speed steels...

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

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

Composition Of Transmission-gear Steel
If the nickel content of this steel is eliminated, and the pe...

High Speed Steel
For centuries the secret art of making tool steel was handed ...

Hardening Operation
Hardening a gear is accomplished as follows: The gear is tak...

Chrome-nickel Steel
Forging heat of chrome-nickel steel depends very largely on ...

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

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...

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

Heat Treatment Of Axles
Parts of this general type should be heat-treated to show the...

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

The Electric Process
The fourth method of manufacturing steel is by the electric f...

The Effect
The heating at 1,600 deg.F. gives the first heat treatment w...

Using Illuminating Gas
The choice of a carburizing furnace depends greatly on the fa...

Composition And Properties Of Steel
It is a remarkable fact that one can look through a dozen tex...

Tempering Colors On Carbon Steels
Opinions differ as to the temperature which is indicated by t...

Protective Screens For Furnaces
Workmen needlessly exposed to the flames, heat and glare from...

Gas Consumption For Carburizing
Although the advantages offered by the gas-fired furnace for ...



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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