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Steel Making

Shrinking And Enlarging Work
Steel can be shrunk or enlarged by proper heating and cooling...

Separating The Work From The Compound
During the pulling of the heat, the pots are dumped upon a ca...

Annealing Alloy Steel
The term alloy steel, from the steel maker's point of view, r...

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

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

Sulphur
Sulphur is another impurity and high sulphur is even a greate...

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

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

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

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

Effect Of Different Carburizing Material
[Illustrations: FIGS. 33 to 37.] Each of these different p...

Effects Of Proper Annealing
Proper annealing of low-carbon steels causes a complete solu...

Annealing Work
With the exception of several of the higher types of alloy s...

A Chromium-cobalt Steel
The Latrobe Steel Company make a high-speed steel without tun...

Instructions For Working High-speed Steel
Owing to the wide variations in the composition of high-speed...

Nickel-chromium
A combination of the characteristics of nickel and the charac...

The Penetration Of Carbon
Carburized mild steel is used to a great extent in the manufa...

Hardening
Steel is hardened by quenching from above the upper critical....

Hints For Tool Steel Users
Do not hesitate to ask for information from the maker as to t...

Hardening
The forgings can be hardened by cooling in still air or quen...



Forging High-speed Steel






Category: THE FORGING OF STEEL

Heat very slowly and carefully to from 1,800
to 2,000 deg.F. and forge thoroughly and uniformly. If the forging
operation is prolonged do not continue forging the tool when the
steel begins to stiffen under the hammer. Do not forge below 1,700 deg.F.
(a dark lemon or orange color). Reheat frequently rather than prolong
the hammering at the low heats.

After finishing the forging allow the tool to cool as slowly as
possible in lime or dry ashes; avoid placing the tool on the damp
ground or in a draught of air. Use a good clean fire for heating.
Do not allow the tool to soak at the forging heat. Do not heat any
more of the tool than is necessary in order to forge it to the
desired shape.





Next: Carbon Tool Steel

Previous: Steel Can Be Worked Cold



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