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Pyrometry And Pyrometers
A knowledge of the fundamental principles of pyrometry, or th...

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

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

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

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

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

Quenching
It is considered good practice to quench alloy steels from th...

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

Shrinking And Enlarging Work
Steel can be shrunk or enlarged by proper heating and cooling...

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

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

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

High Speed Steel
For centuries the secret art of making tool steel was handed ...

Placing Of Pyrometers
When installing a pyrometer, care should be taken that it re...

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

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

Annealing In Bone
Steel and cast iron may both be annealed in granulated bone. ...

Uses Of The Various Tempers Of Carbon Tool Steel
DIE TEMPER.--No. 3: All kinds of dies for deep stamping, pres...

A Satisfactory Luting Mixture
A mixture of fireclay and sand will be found very satisfactor...

Furnace Data
In order to give definite information concerning furnaces, fu...



Cutting-off Steel From Bar






Category: HIGH-SPEED STEEL

To cut a piece from an annealed bar, cut off with a hack saw, milling
cutter or circular saw. Cut clear through the bar; do not nick or
break. To cut a piece from an unannealed bar, cut right off with
an abrasive saw; do not nick or break. If of large cross-section,
cut off hot with a chisel by first slowly and uniformly heating
the bar, at the point to be cut, to a good lemon heat, 1,800 to
1,850 deg.F. and cut right off while hot; do not nick or break. Allow
the tool length and bar to cool before reheating for forging.





Next: Lathe And Planer Tools

Previous: Hardening High-speed Steels



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