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Steel Making

Placing Of Pyrometers
When installing a pyrometer, care should be taken that it re...

Hints For Tool Steel Users
Do not hesitate to ask for information from the maker as to t...

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

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

Heating Of Manganese Steel
Another form of heat-treating furnace is that which is used ...

The Theory Of Tempering
Steel that has been hardened is generally harder and more br...

Hardening Operation
Hardening a gear is accomplished as follows: The gear is tak...

Hardening
The forgings can be hardened by cooling in still air or quen...

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

Effects Of Proper Annealing
Proper annealing of low-carbon steels causes a complete solu...

Complete Calibration Of Pyrometers
For the complete calibration of a thermo-couple of unknown e...

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

Drop Forging Dies
The kind of steel used in the die of course influences the he...

Sulphur
SULPHUR is another element (symbol S) which is always found i...

S A E Heat Treatments
The Society of Automotive Engineers have adopted certain heat...

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

Process Of Carburizing
Carburizing imparts a shell of high-carbon content to a low-...

Placing The Thermo-couples
The following illustrations from the Taylor Instrument Compan...

Silicon
Silicon prevents, to a large extent, defects such as gas bubb...

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



Alloying Elements






Category: COMPOSITION AND PROPERTIES OF STEEL

Commercial steels of even the simplest types
are therefore primarily alloys of iron and carbon. Impurities and
their remedies are always present: sulphur, phosphorus, silicon
and manganese--to say nothing of oxygen, nitrogen and carbon oxide
gases, about which we know very little. It has been found that other
metals, if added to well-made steel, produce definite improvements
in certain directions, and these alloy steels have found much
use in the last ten years. Alloy steels, in addition to the
above-mentioned elements, may commonly contain one or more of the
following, in varying amounts: Nickel (Ni), Chromium (Cr), Vanadium
(Va), Tungsten (W), Molybdenum (Mo). These steels will be discussed
at more length in Chapters III and IV.





Next: Properties Of Steel

Previous: Manganese



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