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Heat Treatment Of Lathe Planer And Similar Tools
FIRE.--For these tools a good fire is one made of hard foundr...

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

The Theory Of Tempering
Steel that has been hardened is generally harder and more br...

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

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

Standard Analysis
The selection of a standard analysis by the manufacturer is t...

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

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

Steel For Chisels And Punches
The highest grades of carbon or tempering steels are to be re...

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

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

Steel Worked In Austenitic State
As a general rule steel should be worked when it is in the a...

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

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

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

Heat Treatment Of Axles
Parts of this general type should be heat-treated to show the...

The Electric Process
The fourth method of manufacturing steel is by the electric f...

Complete Calibration Of Pyrometers
For the complete calibration of a thermo-couple of unknown e...

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

Plant For Forging Rifle Barrels
The forging of rifle barrels in large quantities and heat-tre...



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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