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

Introduction Of Carbon
The matter to which these notes are primarily directed is the...

Annealing Work
With the exception of several of the higher types of alloy s...

Heat Treatment Of Steel
Heat treatment consists in heating and cooling metal at defin...

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

High-chromium Or Rust-proof Steel
High-chromium, or what is called stainless steel containing f...

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

Hardening High-speed Steel
In forging use coke for fuel in the forge. Heat steel slowly ...

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

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

Highly Stressed Parts
The highly stressed parts on the Liberty engine consisted of ...

The Thermo-couple
With the application of the thermo-couple, the measurement of...

Quenching Tool Steel
To secure proper hardness, the cooling of quenching of steel ...

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

Fatigue Tests
It has been known for fifty years that a beam or rod would fa...

Corrosion
This steel like any other steel when distorted by cold worki...

Robert Mushet
Robert (Forester) Mushet (1811-1891), born in the Forest of D...

Steel Worked In Austenitic State
As a general rule steel should be worked when it is in the a...

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

Hardness Testing
The word hardness is used to express various properties of me...



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.





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