The Line of Head, or indication of the Mentality of the subject, must in all cases be considered as the most important line on the hand. The greatest attention should be paid to it, so as to obtain a clear grasp of the Mentality under consid... Read more of The Line Of Head And Its Variations at Palm Readings.orgInformational Site Network Informational
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Steel Making

Crucible Steel
Crucible steel is still made by melting material in a clay or...

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

Vanadium
Vanadium has a very marked effect upon alloy steels rich in c...

Phosphorus
PHOSPHORUS is an element (symbol P) which enters the metal fr...

Heating
Although it is possible to work steels cold, to an extent de...

Manganese
Manganese adds considerably to the tensile strength of steel,...

Typical Oil-fired Furnaces
Several types of standard oil-fired furnaces are shown herew...

Pyrometry And Pyrometers
A knowledge of the fundamental principles of pyrometry, or th...

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

Phosphorus
Phosphorus is one of the impurities in steel, and it has been...

Application Of Liberty Engine Materials To The Automotive Industry
The success of the Liberty engine program was an engineer...

Temperature Recording And Regulation
Each furnace is equipped with pyrometers, but the reading an...

S A E Heat Treatments
The Society of Automotive Engineers have adopted certain heat...

Placing The Thermo-couples
The following illustrations from the Taylor Instrument Compan...

Tempering Round Dies
A number of circular dies of carbon tool steel for use in too...

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

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

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

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

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



Instructions For Working High-speed Steel






Category: HIGH-SPEED STEEL

Owing to the wide variations in the composition of high-speed steels
by various makers, it is always advisable to follow the directions
of each when using his brand of steel. In the absence of specific
directions the following general suggestions from several makers
will be found helpful.

The Ludlum Steel Company recommend the following:

CUTTING-OFF.--To cut a piece from an annealed bar, cut off with
a hack saw, milling cutter or circular saw. Cut clear through the
bar; do not nick or break. To cut a piece from an unannealed bar,
cut right off with an abrasive saw; do not nick or break. If of
large cross-section, cut off hot with a chisel by first slowly
and uniformly heating the bar, at the point to be cut, to a good
lemon heat, 1,800 deg.-1,850 deg.F. and cut right off while hot; do not nick
or break. Allow the tool length and bar to cool before reheating
for forging.





Next: Lathe And Planer Tools

Previous: For Milling Cutters And Formed Tools



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