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Steel Making

Hardening Operation
Hardening a gear is accomplished as follows: The gear is tak...

Heat Treatment Of Milling Cutters Drills Reamers Etc
THE FIRE.--Gas and electric furnaces designed for high heats ...

Chromium
Chromium when alloyed with steel, has the characteristic func...

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

Temperature For Annealing
Theoretically, annealing should be accomplished at a tempera...

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

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

Preventing Carburizing By Copper-plating
Copper-plating has been found effective and must have a thick...

Care In Annealing
Not only will benefits in machining be found by careful anne...

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

Rate Of Absorption
According to Guillet, the absorption of carbon is favored by ...

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

Judging The Heat Of Steel
While the use of a pyrometer is of course the only way to hav...

Critical Points
One of the most important means of investigating the properti...

Take Time For Hardening
Uneven heating and poor quenching has caused loss of many ve...

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

Cutting-off Steel From Bar
To cut a piece from an annealed bar, cut off with a hack saw,...

Lathe And Planer Tools
FORGING.--Gently warm the steel to remove any chill, is parti...

Oil-hardening Steel
Heat slowly and uniformly to 1,450 deg.F. and forge thorough...

Steel Worked In Austenitic State
As a general rule steel should be worked when it is in the a...



Suggestions For Handling High-speed Steels






Category: HIGH-SPEED STEEL

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
tools.


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.)]





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Previous: A Chromium-cobalt Steel



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