- High strength and excellent processability
- Mass production starting this year
POSCO developed the world`s first environment friendly
Bismuth (Bi) free cutting steel and entered mass
production.
POSCO started development of the Bi free cutting steel which
is harmless to the body and environment friendly since 2005
and succeeded in production development after 5 years,
completing preparations for mass production recently.
Free-cutting steel means steel that is high in strength but
easy to cut, and is in the form of long steel wire rods,
round, thin, and long in form.
Until now, free cutting steel was composed of lead (Pb) due
to its excellent processability, but there were opinions that
the lead accumulated in the body during processing can be
fatal requiring an alternative solution to the health
problems of workers.
Accordingly, POSCO started the new product development in
2005, adding Bi which is used in digestive medicine, drinks,
and cosmetics, maintaining the processability of lead free
cutting steel. The company once again proved its technical
dominance by being the world`s first to succeed in mass
production development of harmless environment friendly free
cutting steel.
1.5 million tons of lead free cutting steel is produced
annually, while 35,000 tons are all imported in to Korea. The
replacement effect is great by replacing lead free cutting
steel with Bi free cutting steel, and it is expected to
contribute to increasing profitability as a high value added
product compared to other steels.
Bi free cutting steel was registered as official material for
TV designs after receiving quality certification from LG
Electronics, completing application tests with the first
supply in August. The material will be applied to all TV
products manufactured by LG Electronics in the new year.
Oh Sangwook sangwook@posco.com
[Data=Wire Rod Sales Group]
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