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Suggestions For Handling High-speed Steels
The following suggestions for handling high-speed steels are ...

Preparing Parts For Local Case-hardening
At the works of the Dayton Engineering Laboratories Company, ...

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

Tempering Colors On Carbon Steels
Opinions differ as to the temperature which is indicated by t...

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

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

Refining The Grain
This is remedied by reheating the piece to a temperature slig...

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

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

Carbon Steels For Different Tools
All users of tool steels should carefully study the different...

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

Case-hardening Treatments For Various Steels
Plain water, salt water and linseed oil are the three most co...

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

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

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

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

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

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

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

Quality And Structure
The quality of high-speed steel is dependent to a very great ...



Quenching The Work






Category: CASE-HARDENING OR SURFACE-CARBURIZING

In some operations case-hardened work is quenched from the box by
dumping the whole contents into the quenching tank. It is common
practice to leave a sieve or wire basket to catch the work, allowing
the carburizing material to fall to the bottom of the tank where it
can be recovered later and used again as a part of a new mixture.
For best results, however, the steel is allowed to cool down slowly
in the box after which it is removed and hardened by heating and
quenching the same as carbon steel of the same grade. It has absorbed
sufficient carbon so that, in the outer portions at least, it is
a high-carbon steel.





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Previous: Effect Of Different Carburizing Material



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