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Steel Making

Typical Oil-fired Furnaces
Several types of standard oil-fired furnaces are shown herew...

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

The Forging Of Steel
So much depends upon the forging of steel that this operation...

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

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

Temperature For Annealing
Theoretically, annealing should be accomplished at a tempera...

Carburizing Material
The simplest carburizing substance is charcoal. It is also th...

Silicon
Silicon prevents, to a large extent, defects such as gas bubb...

Crankshaft
The crankshaft was the most highly stressed part of the entir...

Annealing In Bone
Steel and cast iron may both be annealed in granulated bone. ...

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

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

Correction For Cold-junction Errors
The voltage generated by a thermo-couple of an electric pyrom...

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

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

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

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

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

Annealing Method
Forgings which are too hard to machine are put in pots with ...

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



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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Previous: Hardening High-speed Steels



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