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Steel Making

Tool Or Crucible Steel
Crucible steel can be annealed either in muffled furnace or b...

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

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

Hints For Tool Steel Users
Do not hesitate to ask for information from the maker as to t...

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

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

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

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

Heat Treatment Of Milling Cutters Drills Reamers Etc
THE FIRE.--Gas and electric furnaces designed for high heats ...

Oil-hardening Steel
Heat slowly and uniformly to 1,450 deg.F. and forge thorough...

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

Nickel
Nickel may be considered as the toughest among the non-rare a...

The Penetration Of Carbon
Carburized mild steel is used to a great extent in the manufa...

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

Effect Of Different Carburizing Material
[Illustrations: FIGS. 33 to 37.] Each of these different p...

Hardening High-speed Steels
We will now take up the matter of hardening high-speed steels...

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

Forging High-speed Steel
Heat very slowly and carefully to from 1,800 to 2,000 deg.F....

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

For Milling Cutters And Formed Tools
FORGING.--Forge as before.--ANNEALING.--Place the steel in a ...



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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