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Detrimental Elements
Sulphur and phosphorus are two elements known to be detrimen...

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

Tempering Colors On Carbon Steels
Opinions differ as to the temperature which is indicated by t...

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

Heating Of Manganese Steel
Another form of heat-treating furnace is that which is used ...

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

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

Gears
The material used for all gears on the Liberty engine was sel...

Hardening Carbon Steel For Tools
For years the toolmaker had full sway in regard to make of st...

Hardening
The forgings can be hardened by cooling in still air or quen...

Ebbw Vale And The Bessemer Process
After his British Association address in August 1856, Besseme...

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

Nickel
Nickel may be considered as the toughest among the non-rare a...

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

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

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

Annealing
There is no mystery or secret about the proper annealing of d...

Annealing Of High-speed Steel
For annealing high-speed steel, some makers recommend using g...

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

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



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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