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Steel Making

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

Temperature Recording And Regulation
Each furnace is equipped with pyrometers, but the reading an...

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

Critical Points
One of the most important means of investigating the properti...

Piston Pin
The piston pin on an aviation engine must possess maximum res...

Preventing Cracks In Hardening
The blacksmith in the small shop, where equipment is usually ...

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

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

Ebbw Vale And The Bessemer Process
After his British Association address in August 1856, Besseme...

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

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

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

Nickel
Nickel may be considered as the toughest among the non-rare a...

Steel For Chisels And Punches
The highest grades of carbon or tempering steels are to be re...

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

Annealing Of High-speed Steel
For annealing high-speed steel, some makers recommend using g...

Cyanide Bath For Tool Steels
All high-carbon tool steels are heated in a cyanide bath. Wi...

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

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

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



The Forging Of Steel






Category: THE FORGING OF STEEL

So much depends upon the forging of steel that this operation must
be carefully supervised. This is especially true because of the
tendency to place unskilled and ignorant men as furnace-tenders
and hammer men. The main points to be supervised are the slow and
careful heating to the proper temperature; forging must be continued
at a proper rate to the correct temperature. The bar of stock from
which a forging was made may have had a fairly good structure, but
if the details of the working are not carefully watched, a seamy,
split article of no value may easily result.





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Previous: Making Steel Balls



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