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Steel Making

Steel Before The 1850's
In spite of a rapid increase in the use of machines and the ...

The Leeds And Northrup Potentiometer System
The potentiometer pyrometer system is both flexible and subst...

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

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

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

Annealing Work
With the exception of several of the higher types of alloy s...

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

Leeds And Northrup Optical Pyrometer
The principles of this very popular method of measuring tempe...

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

Heat-treating Equipment And Methods For Mass Production
The heat-treating department of the Brown-Lipe-Chapin Company...

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...

Machineability
Reheating for machine ability was done at 100 deg. less than ...

Forging High-speed Steel
Heat very slowly and carefully to from 1,800 to 2,000 deg.F....

Lathe And Planer Tools
FORGING.--Gently warm the steel to remove any chill, is parti...

Testing And Inspection Of Heat Treatment
The hard parts of the gear must be so hard that a new mill f...

Quenching The Work
In some operations case-hardened work is quenched from the bo...

Quenching
It is considered good practice to quench alloy steels from th...

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

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

Tempering Colors On Carbon Steels
Opinions differ as to the temperature which is indicated by t...



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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