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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...

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

Using Illuminating Gas
The choice of a carburizing furnace depends greatly on the fa...

Classifications Of Steel
Among makers and sellers, carbon tool-steels are classed by g...

Non-shrinking Oil-hardening Steels
Certain steels have a very low rate of expansion and contract...

S A E Heat Treatments
The Society of Automotive Engineers have adopted certain heat...

Protective Screens For Furnaces
Workmen needlessly exposed to the flames, heat and glare from...

Carbon-steel Forgings
Low-stressed, carbon-steel forgings include such parts as car...

Blending The Compound
Essentially, this consists of the sturdy, power-driven separa...

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

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

A Chromium-cobalt Steel
The Latrobe Steel Company make a high-speed steel without tun...

Leeds And Northrup Optical Pyrometer
The principles of this very popular method of measuring tempe...

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

An Automatic Temperature Control Pyrometer
Automatic temperature control instruments are similar to the ...

Crucible Steel
Crucible steel is still made by melting material in a clay or...

Impact Tests
Impact tests are of considerable importance as an indication ...

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

Liberty Motor Connecting Rods
The requirements for materials for the Liberty motor connecti...



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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