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Steel Making

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

Silicon
SILICON is a very widespread element (symbol Si), being an es...

Hardening Operation
Hardening a gear is accomplished as follows: The gear is tak...

Heat Treatment Of Punches And Dies Shears Taps Etc
HEATING.--The degree to which tools of the above classes shou...

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

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

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

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

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

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

Critical Points
One of the most important means of investigating the properti...

Hardening
Steel is hardened by quenching from above the upper critical....

Application To The Automotive Industry
The information given on the various parts of the Liberty eng...

Flange Shields For Furnaces
Such portable flame shields as the one illustrated in Fig. 1...

Restoring Overheated Steel
The effect of heat treatment on overheated steel is shown gra...

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

Knowing What Takes Place
How are we to know if we have given a piece of steel the ver...

Tungsten
Tungsten, as an alloy in steel, has been known and used for a...

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

The Penetration Of Carbon
Carburized mild steel is used to a great extent in the manufa...



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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