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Vanadium
Vanadium has a very marked effect upon alloy steels rich in c...

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

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

Heat Treatment Of Gear Blanks
This section is based on a paper read before the American Gea...

Gas Consumption For Carburizing
Although the advantages offered by the gas-fired furnace for ...

Pyrometry And Pyrometers
A knowledge of the fundamental principles of pyrometry, or th...

Introduction Of Carbon
The matter to which these notes are primarily directed is the...

Non-shrinking Oil-hardening Steels
Certain steels have a very low rate of expansion and contract...

Air-hardening Steels
These steels are recommended for boring, turning and planing...

Composition And Properties Of Steel
It is a remarkable fact that one can look through a dozen tex...

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

Pyrometers
Armor plate makers sometimes use the copper ball or Siemens' ...

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

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

Double Annealing
Water annealing consists in heating the piece, allowing it to...

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

Detrimental Elements
Sulphur and phosphorus are two elements known to be detrimen...

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

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

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



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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