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Commercial Manufacturing
Processes
Hardening and tampering
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Created by
Joshua Fraser
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The
high speed steel
is
heated
until
red hot
and then
cooled quickly.
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The
tool
is then
tempered
by
heating
the
tip slowly
until it turns
blue.
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The
heat
is then
removed.
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High speed steel
is used to
create tools
such as
screwdrivers
,
woodwork lathe tools
and
axes.
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