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Steel Making

Heat Treatment Of Punches And Dies Shears Taps Etc
HEATING.--The degree to which tools of the above classes shou...

Restoring Overheated Steel
The effect of heat treatment on overheated steel is shown gra...

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

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

Tungsten
Tungsten, as an alloy in steel, has been known and used for a...

Using Illuminating Gas
The choice of a carburizing furnace depends greatly on the fa...

Protective Screens For Furnaces
Workmen needlessly exposed to the flames, heat and glare from...

Care In Annealing
Not only will benefits in machining be found by careful anne...

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

Annealing
ANNEALING can be done by heating to temperatures ranging from...

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

Conclusions
Martien was probably never a serious contender for the honor ...

Open Hearth Process
The open hearth furnace consists of a big brick room with a l...

Optical System And Electrical Circuit Of The Leeds & Northrup Optical Pyrometer
For extremely high temperature, the optical pyrometer is lar...

Pickling The Forgings
The forgings were then pickled in a hot solution of either ni...

Annealing Method
Forgings which are too hard to machine are put in pots with ...

The Penetration Of Carbon
Carburized mild steel is used to a great extent in the manufa...

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

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

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



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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