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Steel Making

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

Testing And Inspection Of Heat Treatment
The hard parts of the gear must be so hard that a new mill f...

The Effect Of Tempering On Water-quenched Gages
The following information has been supplied by Automatic and ...

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

Instructions For Working High-speed Steel
Owing to the wide variations in the composition of high-speed...

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

Brown Automatic Signaling Pyrometer
In large heat-treating plants it has been customary to mainta...

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

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

Temperatures To Use
As soon as the temperature of the steel reaches 100 deg.C. (...

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

Surface Carburizing
Carburizing, commonly called case-hardening, is the art of pr...

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

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

Process Of Carburizing
Carburizing imparts a shell of high-carbon content to a low-...

Annealing Alloy Steel
The term alloy steel, from the steel maker's point of view, r...

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

Heat Treatment Of Lathe Planer And Similar Tools
FIRE.--For these tools a good fire is one made of hard foundr...

Manganese
MANGANESE is a metal much like iron. Its chemical symbol is M...

Phosphorus
PHOSPHORUS is an element (symbol P) which enters the metal fr...



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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