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Steel Making

Bessemer Process
The bessemer process consists of charging molten pig iron int...

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

Preventing Carburizing By Copper-plating
Copper-plating has been found effective and must have a thick...

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

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

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

Properties Of Alloy Steels
The following table shows the percentages of carbon, manganes...

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

Chrome-nickel Steel
Forging heat of chrome-nickel steel depends very largely on ...

Compensating Leads
By the use of compensating leads, formed of the same materia...

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

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

Complete Calibration Of Pyrometers
For the complete calibration of a thermo-couple of unknown e...

Heating
Although it is possible to work steels cold, to an extent de...

Quenching
It is considered good practice to quench alloy steels from th...

The Quenching Tank
The quenching tank is an important feature of apparatus in c...

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

Effect Of A Small Amount Of Copper In Medium-carbon Steel
This shows the result of tests by C. R. Hayward and A. B. Joh...

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

Manganese
Manganese adds considerably to the tensile strength of steel,...



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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