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   Home - Steel Making - Categories - Manufacturing and the Economy of Machinery

Steel Making

Hardness Testing
The word hardness is used to express various properties of me...

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

Silicon
Silicon prevents, to a large extent, defects such as gas bubb...

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

Preventing Decarbonization Of Tool Steel
It is especially important to prevent decarbonization in such...

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

Carburizing Low-carbon Sleeves
Low-carbon sleeves are carburized and pushed on malleable-ir...

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

Short Method Of Treatment
In the new method, the packed pots are run into the case-har...

Heavy Forging Practice
In heavy forging practice where the metal is being worked at...

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

The Theory Of Tempering
Steel that has been hardened is generally harder and more br...

Quenching Tool Steel
To secure proper hardness, the cooling of quenching of steel ...

Temperatures To Use
As soon as the temperature of the steel reaches 100 deg.C. (...

The Care Of Carburizing Compounds
Of all the opportunities for practicing economy in the heat-t...

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

Non-shrinking Oil-hardening Steels
Certain steels have a very low rate of expansion and contract...

Air-hardening Steels
These steels are recommended for boring, turning and planing...

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

Process Of Carburizing
Carburizing imparts a shell of high-carbon content to a low-...



Cyanide Bath For Tool Steels






Category: HEAT TREATMENT OF STEEL

All high-carbon tool steels are
heated in a cyanide bath. With this bath, the heat can be controlled
within 3 deg. The steel is evenly heated without exposure to the
air, resulting in work which is not warped and on which there is no
scale. The cyanide bath is, of course, not available for high-speed
steel because of the very high temperatures necessary.





Next: Drop Forging Dies

Previous: Carburizing Low-carbon Sleeves



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