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Steel Making

Crankshaft
The crankshaft was the most highly stressed part of the entir...

Sulphur
Sulphur is another impurity and high sulphur is even a greate...

Blending The Compound
Essentially, this consists of the sturdy, power-driven separa...

Carburizing Low-carbon Sleeves
Low-carbon sleeves are carburized and pushed on malleable-ir...

Compensating Leads
By the use of compensating leads, formed of the same materia...

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

High-carbon Machinery Steel
The carbon content of this steel is above 30 points and is ha...

Manganese
Manganese adds considerably to the tensile strength of steel,...

Nickel-chromium
A combination of the characteristics of nickel and the charac...

Air-hardening Steels
These steels are recommended for boring, turning and planing...

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

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

Case-hardening Treatments For Various Steels
Plain water, salt water and linseed oil are the three most co...

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

Liberty Motor Connecting Rods
The requirements for materials for the Liberty motor connecti...

Suggestions For Handling High-speed Steels
The following suggestions for handling high-speed steels are ...

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

Protective Screens For Furnaces
Workmen needlessly exposed to the flames, heat and glare from...

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

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



High Speed Steel






Category: HIGH-SPEED STEEL

For centuries the secret art of making tool steel was handed down
from father to son. The manufacture of tool steel is still an art
which, by the aid of science, has lost much of its secrecy; yet
tool steel is today made by practical men skilled as melters,
hammer-men, and rollers, each knowing his art. These practical
men willingly accept guidance from the chemist and metallurgists.

A knowledge of conditions existing today in the manufacture of
high-speed steel is essential to steel treaters. It is well for
the manufacturer to have steel treaters understand some of his
troubles and difficulties, so that they will better comprehend the
necessity of certain trade customs and practices, and, realizing
the manufacturer's desire to cooperate with them, will reciprocate.

The manufacturer of high-speed steel knows and appreciates the
troubles and difficulties that may sometimes arise in the heat-treating
of his product. His aim is to make a uniform steel that will best
meet the requirements of the average machine shop on general work,
and at the same time allow the widest variation in heat treatment
to give desired results.

High speed steel is one of the most complex alloys known. A
representative steel contains approximately 24 per cent of alloying
metals, namely, tungsten, chromium, vanadium, silicon, manganese,
and in addition there is often found cobalt, molybdenum, uranium,
nickel, tin, copper and arsenic.





Next: Standard Analysis

Previous: Tempering Colors On Carbon Steels



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