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Steel Making

Detrimental Elements
Sulphur and phosphorus are two elements known to be detrimen...

Heat Treatment Of Lathe Planer And Similar Tools
FIRE.--For these tools a good fire is one made of hard foundr...

Sulphur
SULPHUR is another element (symbol S) which is always found i...

Carburizing Material
The simplest carburizing substance is charcoal. It is also th...

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

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

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...

Introduction Of Carbon
The matter to which these notes are primarily directed is the...

Standard Analysis
The selection of a standard analysis by the manufacturer is t...

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

Annealing Method
Forgings which are too hard to machine are put in pots with ...

Silicon
SILICON is a very widespread element (symbol Si), being an es...

Quenching The Work
In some operations case-hardened work is quenched from the bo...

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

Gears
The material used for all gears on the Liberty engine was sel...

Conclusions
Martien was probably never a serious contender for the honor ...

Leeds And Northrup Optical Pyrometer
The principles of this very popular method of measuring tempe...

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

Brown Automatic Signaling Pyrometer
In large heat-treating plants it has been customary to mainta...

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



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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