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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...

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

Bessemer Process
The bessemer process consists of charging molten pig iron int...

Heat-treating Department
The heat-treating department occupies an L-shaped building. ...

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

Properties Of Steel
Steels are known by certain tests. Early tests were more or l...

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

Flange Shields For Furnaces
Such portable flame shields as the one illustrated in Fig. 1...

Refining The Grain
This is remedied by reheating the piece to a temperature slig...

Steel Before The 1850's
In spite of a rapid increase in the use of machines and the ...

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

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

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

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

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

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

Ebbw Vale And The Bessemer Process
After his British Association address in August 1856, Besseme...

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

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

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



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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