Steel Making
Process Of Carburizing
Carburizing imparts a shell of high-carbon
content to a low-...
Properties Of Steel
Steels are known by certain tests. Early tests were more or l...
The Quenching Tank
The quenching tank is an important feature of apparatus in
c...
Tempering Colors On Carbon Steels
Opinions differ as to the temperature which is indicated by t...
Separating The Work From The Compound
During the pulling of the heat, the pots are dumped upon a ca...
Instructions For Working High-speed Steel
Owing to the wide variations in the composition of high-speed...
Annealing Work
With the exception of several of the higher types
of alloy s...
Air-hardening Steels
These steels are recommended for boring,
turning and planing...
S A E Heat Treatments
The Society of Automotive Engineers have adopted certain heat...
Leeds And Northrup Optical Pyrometer
The principles of this very popular method of measuring tempe...
Lathe And Planer Tools
FORGING.--Gently warm the steel to remove any chill, is parti...
Drop Forging Dies
The kind of steel used in the die of course influences the he...
Cyanide Bath For Tool Steels
All high-carbon tool steels are
heated in a cyanide bath. Wi...
Restoring Overheated Steel
The effect of heat treatment on overheated steel is shown gra...
Open Hearth Process
The open hearth furnace consists of a big brick room with a l...
Carburizing Low-carbon Sleeves
Low-carbon sleeves are carburized
and pushed on malleable-ir...
Compensating Leads
By the use of compensating leads, formed of
the same materia...
Take Time For Hardening
Uneven heating and poor quenching has
caused loss of many ve...
Case-hardening Treatments For Various Steels
Plain water, salt water and linseed oil are the three most co...
Hardening Operation
Hardening a gear is accomplished as follows:
The gear is tak...