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

Hardening
Steel is hardened by quenching from above the upper critical....

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

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

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

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

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

Correction For Cold-junction Errors
The voltage generated by a thermo-couple of an electric pyrom...

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

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

Composition And Properties Of Steel
It is a remarkable fact that one can look through a dozen tex...

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

Oil-hardening Steel
Heat slowly and uniformly to 1,450 deg.F. and forge thorough...

Properties Of Steel
Steels are known by certain tests. Early tests were more or l...

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

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

Steel Can Be Worked Cold
As noted above, steel can be worked cold, as in the case of ...

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

Calibration Of Pyrometer With Common Salt
An easy and convenient method for standardization and one whi...

Tempering Round Dies
A number of circular dies of carbon tool steel for use in too...



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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