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Steel Making

Carburizing By Gas
The process of carburizing by gas, briefly mentioned on page ...

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

Typical Oil-fired Furnaces
Several types of standard oil-fired furnaces are shown herew...

Application To The Automotive Industry
The information given on the various parts of the Liberty eng...

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

Tensile Properties
Strength of a metal is usually expressed in the number of pou...

Molybdenum
Molybdenum steels have been made commercially for twenty-five...

Carbon Tool Steel
Heat to a bright red, about 1,500 to 1,550 deg.F. Do not ham...

Carbon-steel Forgings
Low-stressed, carbon-steel forgings include such parts as car...

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

Rate Of Cooling
At the option of the manufacturer, the above treatment of gea...

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

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

Classifications Of Steel
Among makers and sellers, carbon tool-steels are classed by g...

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

The Care Of Carburizing Compounds
Of all the opportunities for practicing economy in the heat-t...

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

Preventing Decarbonization Of Tool Steel
It is especially important to prevent decarbonization in such...

Phosphorus
Phosphorus is one of the impurities in steel, and it has been...

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



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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