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Steel Making

Preventing Cracks In Hardening
The blacksmith in the small shop, where equipment is usually ...

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

Tool Or Crucible Steel
Crucible steel can be annealed either in muffled furnace or b...

Mushet And Bessemer
That Mushet was "used" by Ebbw Vale against Bessemer is, perh...

Steel Can Be Worked Cold
As noted above, steel can be worked cold, as in the case of ...

Carburizing By Gas
The process of carburizing by gas, briefly mentioned on page ...

Application Of Liberty Engine Materials To The Automotive Industry
The success of the Liberty engine program was an engineer...

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

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

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

Standard Analysis
The selection of a standard analysis by the manufacturer is t...

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

Properties Of Steel
Steels are known by certain tests. Early tests were more or l...

Machineability
Reheating for machine ability was done at 100 deg. less than ...

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

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

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

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

Uses Of The Various Tempers Of Carbon Tool Steel
DIE TEMPER.--No. 3: All kinds of dies for deep stamping, pres...

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



Annealing In Bone






Category: ANNEALING

Steel and cast iron may both be annealed in granulated bone. Pack the
work the same as for case-hardening except that it is not necessary
to keep the pieces away from each other. Pack with bone that has
been used until it is nearly white. Heat as hot as necessary for
the steel and let the furnace cool down. If the boxes are removed
from furnace while still warm, cover boxes and all in warm ashes
or sand, air slaked lime or old, burned bone to retain heat as
long as possible. Do not remove work from boxes until cold.





Next: Annealing Of Rifle Components At Springfield Armory

Previous: High-carbon Machinery Steel



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