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Carbon In Tool Steel
Carbon tool steel, or tool steel as it is commonly called, us...

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

Protectors For Thermo-couples
Thermo-couples must be protected from the danger of mechanica...

The Quenching Tank
The quenching tank is an important feature of apparatus in c...

Liberty Motor Connecting Rods
The requirements for materials for the Liberty motor connecti...

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

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

Conclusions
Martien was probably never a serious contender for the honor ...

Blending The Compound
Essentially, this consists of the sturdy, power-driven separa...

Gas Consumption For Carburizing
Although the advantages offered by the gas-fired furnace for ...

Annealing To Relieve Internal Stresses
Work quenched from a high temperature and not afterward tempe...

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

Rate Of Cooling
At the option of the manufacturer, the above treatment of gea...

Carbon-steel Forgings
Low-stressed, carbon-steel forgings include such parts as car...

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

Uses Of The Various Tempers Of Carbon Tool Steel
DIE TEMPER.--No. 3: All kinds of dies for deep stamping, pres...

Annealing
ANNEALING can be done by heating to temperatures ranging from...

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

Heat Treatment Of Lathe Planer And Similar Tools
FIRE.--For these tools a good fire is one made of hard foundr...

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



High Speed Steel






Category: HIGH-SPEED STEEL

For centuries the secret art of making tool steel was handed down
from father to son. The manufacture of tool steel is still an art
which, by the aid of science, has lost much of its secrecy; yet
tool steel is today made by practical men skilled as melters,
hammer-men, and rollers, each knowing his art. These practical
men willingly accept guidance from the chemist and metallurgists.

A knowledge of conditions existing today in the manufacture of
high-speed steel is essential to steel treaters. It is well for
the manufacturer to have steel treaters understand some of his
troubles and difficulties, so that they will better comprehend the
necessity of certain trade customs and practices, and, realizing
the manufacturer's desire to cooperate with them, will reciprocate.

The manufacturer of high-speed steel knows and appreciates the
troubles and difficulties that may sometimes arise in the heat-treating
of his product. His aim is to make a uniform steel that will best
meet the requirements of the average machine shop on general work,
and at the same time allow the widest variation in heat treatment
to give desired results.

High speed steel is one of the most complex alloys known. A
representative steel contains approximately 24 per cent of alloying
metals, namely, tungsten, chromium, vanadium, silicon, manganese,
and in addition there is often found cobalt, molybdenum, uranium,
nickel, tin, copper and arsenic.





Next: Standard Analysis

Previous: Tempering Colors On Carbon Steels



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