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Steel Making

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

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

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

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

High Speed Steel
For centuries the secret art of making tool steel was handed ...

Plant For Forging Rifle Barrels
The forging of rifle barrels in large quantities and heat-tre...

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

Correction By Zero Adjustment
Many pyrometers are supplied with a zero adjuster, by means ...

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

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

Annealing
ANNEALING can be done by heating to temperatures ranging from...

The Leeds And Northrup Potentiometer System
The potentiometer pyrometer system is both flexible and subst...

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

William Kelly's Air-boiling Process
An account of Bessemer's address to the British Association w...

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

The Effect
The heating at 1,600 deg.F. gives the first heat treatment w...

Lathe And Planer Tools
FORGING.--Gently warm the steel to remove any chill, is parti...

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

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

Composition Of Transmission-gear Steel
If the nickel content of this steel is eliminated, and the pe...



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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