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Silicon
SILICON is a very widespread element (symbol Si), being an es...

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

An Automatic Temperature Control Pyrometer
Automatic temperature control instruments are similar to the ...

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

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

A Satisfactory Luting Mixture
A mixture of fireclay and sand will be found very satisfactor...

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

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

Composition Of Transmission-gear Steel
If the nickel content of this steel is eliminated, and the pe...

Phosphorus
Phosphorus is one of the impurities in steel, and it has been...

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

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

The Forging Of Steel
So much depends upon the forging of steel that this operation...

Heat Treatment Of Punches And Dies Shears Taps Etc
HEATING.--The degree to which tools of the above classes shou...

Sulphur
Sulphur is another impurity and high sulphur is even a greate...

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

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

The Modern Hardening Room
A hardening room of today means a very different place from ...

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

Effect Of A Small Amount Of Copper In Medium-carbon Steel
This shows the result of tests by C. R. Hayward and A. B. Joh...



Carbon Tool Steel






Category: THE FORGING OF STEEL

Heat to a bright red, about 1,500 to 1,550 deg.F.
Do not hammer steel when it cools down to a dark cherry red, or
just below its hardening point, as this creates surface cracks.





Next: Oil-hardening Steel

Previous: Forging High-speed Steel



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