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An Automatic Temperature Control Pyrometer
Automatic temperature control instruments are similar to the ...

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...

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

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

Carburizing Material
The simplest carburizing substance is charcoal. It is also th...

Alloying Elements
Commercial steels of even the simplest types are therefore p...

The Thermo-couple
With the application of the thermo-couple, the measurement of...

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

Making Steel Balls
Steel balls are made from rods or coils according to size, st...

The Effect
The heating at 1,600 deg.F. gives the first heat treatment w...

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

Hardening High-speed Steel
In forging use coke for fuel in the forge. Heat steel slowly ...

Manganese
MANGANESE is a metal much like iron. Its chemical symbol is M...

Chromium
Chromium when alloyed with steel, has the characteristic func...

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

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

Shrinking And Enlarging Work
Steel can be shrunk or enlarged by proper heating and cooling...

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

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

Cutting-off Steel From Bar
To cut a piece from an annealed bar, cut off with a hack saw,...



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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