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Steel Making

Standard Analysis
The selection of a standard analysis by the manufacturer is t...

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...

Instructions For Working High-speed Steel
Owing to the wide variations in the composition of high-speed...

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

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

Nickel-chromium
A combination of the characteristics of nickel and the charac...

The Thermo-couple
With the application of the thermo-couple, the measurement of...

Tool Or Crucible Steel
Crucible steel can be annealed either in muffled furnace or b...

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

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

Restoring Overheated Steel
The effect of heat treatment on overheated steel is shown gra...

Heating Of Manganese Steel
Another form of heat-treating furnace is that which is used ...

High-chromium Or Rust-proof Steel
High-chromium, or what is called stainless steel containing f...

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

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

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...

Brown Automatic Signaling Pyrometer
In large heat-treating plants it has been customary to mainta...

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



Tool Or Crucible Steel






Category: ANNEALING

Crucible steel can be annealed either in muffled furnace or by
being packed. Packing is by far the most satisfactory method as it
prevents scaling, local hard spots, uneven annealing, or violent
changes in shape. It should be brought up slowly to just above
its calescent or hardening temperature. The operator must know
before setting his heats the temperature at which the different
carbon content steels are hardened. The higher the carbon contents
the lower is the hardening heat, but this should in no case be
less than 1,450 deg.F.





Next: Annealing Alloy Steel

Previous: Annealing Of High-speed Steel



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