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Steel Making

Lathe And Planer Tools
TO FORGE.--Gently warm the steel to remove any chill is parti...

Preventing Carburizing By Copper-plating
Copper-plating has been found effective and must have a thick...

Pyrometers For Molten Metal
Pyrometers for molten metal are connected to portable thermoc...

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

William Kelly's Air-boiling Process
An account of Bessemer's address to the British Association w...

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

Tempering Colors On Carbon Steels
Opinions differ as to the temperature which is indicated by t...

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

Connecting Rods
The material used for all connecting rods on the Liberty engi...

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

Placing The Thermo-couples
The following illustrations from the Taylor Instrument Compan...

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

Manganese
MANGANESE is a metal much like iron. Its chemical symbol is M...

Fatigue Tests
It has been known for fifty years that a beam or rod would fa...

Carbon In Tool Steel
Carbon tool steel, or tool steel as it is commonly called, us...

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

Affinity Of Nickel Steel For Carbon
The carbon- and nickel-steel gears are carburized separately...

Heat-treating Equipment And Methods For Mass Production
The heat-treating department of the Brown-Lipe-Chapin Company...

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

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



Phosphorus






Category: COMPOSITION AND PROPERTIES OF STEEL

PHOSPHORUS is an element (symbol P) which enters the metal from
the ore. It remains in the steel when made by the so-called acid
process, but it can be easily eliminated down to 0.06 per cent
in the basic process. In fact the discovery of the basic process
was necessary before the huge iron deposits of Belgium and the
Franco-German border could be used. These ores contain several
per cent phosphorus, and made a very brittle steel (cold short)
until basic furnaces were used. Basic furnaces allow the formation
of a slag high in lime, which takes practically all the phosphorus
out of the metal. Not only is the resulting metal usable, but the
slag makes a very excellent fertilizer, and is in good demand.





Next: Silicon

Previous: Sulphur



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