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Steel Making

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

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

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

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

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

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

Pickling The Forgings
The forgings were then pickled in a hot solution of either ni...

Effects Of Proper Annealing
Proper annealing of low-carbon steels causes a complete solu...

Forging High-speed Steel
Heat very slowly and carefully to from 1,800 to 2,000 deg.F....

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

Piston Pin
The piston pin on an aviation engine must possess maximum res...

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

Complete Calibration Of Pyrometers
For the complete calibration of a thermo-couple of unknown e...

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

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

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

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

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

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

Mushet And Bessemer
That Mushet was "used" by Ebbw Vale against Bessemer is, perh...



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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