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Steel Making

Furnace Data
In order to give definite information concerning furnaces, fu...

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

High-carbon Machinery Steel
The carbon content of this steel is above 30 points and is ha...

Knowing What Takes Place
How are we to know if we have given a piece of steel the ver...

Steel For Chisels And Punches
The highest grades of carbon or tempering steels are to be re...

Piston Pin
The piston pin on an aviation engine must possess maximum res...

Surface Carburizing
Carburizing, commonly called case-hardening, is the art of pr...

Properties Of Alloy Steels
The following table shows the percentages of carbon, manganes...

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

Testing And Inspection Of Heat Treatment
The hard parts of the gear must be so hard that a new mill f...

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

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

Heat Treatment Of Punches And Dies Shears Taps Etc
HEATING.--The degree to which tools of the above classes shou...

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

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

There is no mystery or secret about the proper annealing of d...

Bessemer Process
The bessemer process consists of charging molten pig iron int...

Pyrometers For Molten Metal
Pyrometers for molten metal are connected to portable thermoc...

Compensating Leads
By the use of compensating leads, formed of the same materia...

Flange Shields For Furnaces
Such portable flame shields as the one illustrated in Fig. 1...

Suggestions For Handling High-speed Steels


The following suggestions for handling high-speed steels are given
by a maker whose steel is probably typical of a number of different
makes, so that they will be found useful in other cases as well.
These include hints as to forging as well as hardening, together
with a list of dont's which are often very useful. This applies
to forging, hardening of lathe, slotting, planing and all similar

and larger is usually mild finished, and can be cut in a hack saw.
If cut off hot, be sure to heat the butt end slowly and thoroughly
in a clean fire. Rapid and insufficient heating invariably cracks
the steel. If you want to stamp the end with the name of the steel,
it is necessary that this is done at a good high orange color heat,
as it is otherwise apt to split the steel. (Take your time, do
not hurry.)]

Next: Hardening High-speed Steel

Previous: A Chromium-cobalt Steel

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