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Steel Making

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

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

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

Corrosion
This steel like any other steel when distorted by cold worki...

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

Robert Mushet
Robert (Forester) Mushet (1811-1891), born in the Forest of D...

Separating The Work From The Compound
During the pulling of the heat, the pots are dumped upon a ca...

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

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

Correction By Zero Adjustment
Many pyrometers are supplied with a zero adjuster, by means ...

Annealing
There is no mystery or secret about the proper annealing of d...

Short Method Of Treatment
In the new method, the packed pots are run into the case-har...

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

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

The Influence Of Size
The size of the piece influences the physical properties obta...

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

Highly Stressed Parts
The highly stressed parts on the Liberty engine consisted of ...

Chrome-nickel Steel
Forging heat of chrome-nickel steel depends very largely on ...

Liberty Motor Connecting Rods
The requirements for materials for the Liberty motor connecti...

Crankshaft
The crankshaft was the most highly stressed part of the entir...



Affinity Of Nickel Steel For Carbon






Category: HEAT TREATMENT OF STEEL

The carbon- and nickel-steel
gears are carburized separately owing to the difference in time
necessary for their carburization. Practically all printed information
on the subject is to the effect that nickel steel takes longer to
carburize than plain carbon steel. This is directly opposed to
the conditions found at this plant. For the same depth of case,
other conditions being equal, a nickel-steel gear would require
from 20 to 30 min. less than a low carbon-steel gear.

From the quenching machines, the gears go to the sand-blasting
machines, situated in the wing of the heat-treating building, where
they are cleaned. From here they are taken to the testing department.
The tests are simple and at the same time most thorough.





Next: Testing And Inspection Of Heat Treatment

Previous: The Effect



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