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

Properties Of Alloy Steels
The following table shows the percentages of carbon, manganes...

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

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

Conclusions
Martien was probably never a serious contender for the honor ...

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

Carbon Steels For Different Tools
All users of tool steels should carefully study the different...

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

Short Method Of Treatment
In the new method, the packed pots are run into the case-har...

Non-shrinking Oil-hardening Steels
Certain steels have a very low rate of expansion and contract...

Preparing Parts For Local Case-hardening
At the works of the Dayton Engineering Laboratories Company, ...

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

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

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

Instructions For Working High-speed Steel
Owing to the wide variations in the composition of high-speed...

Rate Of Cooling
At the option of the manufacturer, the above treatment of gea...

Heat-treating Department
The heat-treating department occupies an L-shaped building. ...

Chrome-nickel Steel
Forging heat of chrome-nickel steel depends very largely on ...

Robert Mushet
Robert (Forester) Mushet (1811-1891), born in the Forest of D...

Carbon Tool Steel
Heat to a bright red, about 1,500 to 1,550 deg.F. Do not ham...



Forging High-speed Steel






Category: THE FORGING OF STEEL

Heat very slowly and carefully to from 1,800
to 2,000 deg.F. and forge thoroughly and uniformly. If the forging
operation is prolonged do not continue forging the tool when the
steel begins to stiffen under the hammer. Do not forge below 1,700 deg.F.
(a dark lemon or orange color). Reheat frequently rather than prolong
the hammering at the low heats.

After finishing the forging allow the tool to cool as slowly as
possible in lime or dry ashes; avoid placing the tool on the damp
ground or in a draught of air. Use a good clean fire for heating.
Do not allow the tool to soak at the forging heat. Do not heat any
more of the tool than is necessary in order to forge it to the
desired shape.





Next: Carbon Tool Steel

Previous: Steel Can Be Worked Cold



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