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Impact Tests
Impact tests are of considerable importance as an indication ...

Separating The Work From The Compound
During the pulling of the heat, the pots are dumped upon a ca...

The Leeds And Northrup Potentiometer System
The potentiometer pyrometer system is both flexible and subst...

Pickling The Forgings
The forgings were then pickled in a hot solution of either ni...

Cyanide Bath For Tool Steels
All high-carbon tool steels are heated in a cyanide bath. Wi...

Composition Of Transmission-gear Steel
If the nickel content of this steel is eliminated, and the pe...

Temperature Recording And Regulation
Each furnace is equipped with pyrometers, but the reading an...

Hardening
The forgings can be hardened by cooling in still air or quen...

Correction For Cold-junction Errors
The voltage generated by a thermo-couple of an electric pyrom...

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

Using Illuminating Gas
The choice of a carburizing furnace depends greatly on the fa...

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

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

Annealing Of Rifle Components At Springfield Armory
In general, all forgings of the components of the arms manufa...

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

The Effect Of Tempering On Water-quenched Gages
The following information has been supplied by Automatic and ...

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

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

The Packing Department
In Fig. 56 is shown the packing pots where the work is packe...

Surface Carburizing
Carburizing, commonly called case-hardening, is the art of pr...



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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