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Steel Making

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

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

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

Sulphur
SULPHUR is another element (symbol S) which is always found i...

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

Properties Of Steel
Steels are known by certain tests. Early tests were more or l...

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

Annealing Method
Forgings which are too hard to machine are put in pots with ...

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

Separating The Work From The Compound
During the pulling of the heat, the pots are dumped upon a ca...

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

Pyrometers
Armor plate makers sometimes use the copper ball or Siemens' ...

Preventing Cracks In Hardening
The blacksmith in the small shop, where equipment is usually ...

Making Steel Balls
Steel balls are made from rods or coils according to size, st...

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

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

The Thermo-couple
With the application of the thermo-couple, the measurement of...

Heat Treatment Of Steel
Heat treatment consists in heating and cooling metal at defin...

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

Preventing Decarbonization Of Tool Steel
It is especially important to prevent decarbonization in such...



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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