Page 62 - I want to create content about steel!

Korea Iron & Steel Association Chapter 4●Circular value of steel

The molten steel made in the Placed in a mold, Correct. As previously mentioned, rebars and sections made in
electric furnace is put through it is hardened into this way are mostly applied to the construction of apartments and
a refiner to remove impurities. the desired shape. buildings where we live and work. Although not visible to the eye,
Hot molten steel is they serve as the bone structure of our homes and keep us safe.
placed in the mold
and hardened.

This is called a ‘refiner’

Refiner process Continuous caster process
How was it?
Did you enjoy the tour?

Yeah, it’s similar to what Right. Continuously recycled,
I saw at dad's workplace. melted and regenerated, steel
is like the immortal phoenix.

Recycling metal requires
That’s correct. You did see this technical knowledge.
earlier at Mirae Steelworks. The Korean steel industry has
(See pages 49-50)
excellent technical capability that
is regarded as world-class.

Without the high-quality
Yes! I was told that it's a lot steel from the steel mills that
Once made into semi-products like using dough
(slab, billet or bloom), they are to make noodles or rice fed into the growth of other
assigned various desired shapes cakes! industries, construction,
and lengths to serve as final steel automotive, shipbuilding, and
products. machinery industries
may not have had a fair
chance of development.

I have witnessed the
process of steelmaking
twice. I need to do a
proper YouTube shoot
when I get home!

The first attempt to melt steel with electricity was made in 1879. Then, the UHP (Ultra High
Tidbit Power) method was developed in 1965, when the productivity of electric furnace operation was Tidbit The electrode used to melt the scrap in the electric furnace is made of ‘artificial graphite,’ which is
dramatically enhanced. coke reheated to over 2,500°C. It’s similar in chemical composition to the pencils used in school.

58 59