H-BEAM
Cross-section whose shape resemble the letter H
Generally, they are manufactured by universal rolling
mill and two sides parallel have the same thickness
and no sloping of indside surface.
PLATE
Hot rolled or cold rolled flat steel products,
cut to flat plate shape, including the cut
length from steel strips
However, flat bars are not included.
D-BAR
Rolled steels in bar shape, with generally
round cross-section and sometimes square
cross-section with rounded corners and diameter
or side of 4mm or over, and whose surface has
loophole or dents and so on the surface
Unevenness on the surface is to increase the adhesive
force with concrete.
ANGLE
Cross-section whose shape resemble the letter “L”
Whether the length and thickness of two sides
are the same or not
It is called equal-leg, unequal-leg and unequal thickness angle.
CHANNEL
Cross-Section whose shape
resembles the letter U.
FLAT-BAR
Plate types steel bars rolled in bar shape with rectangular
cross-section, rolled surface of all four surface of the
cross-section, the thickness generally 5 mm or over
and the width of not more than 500 mm.
ROUND-BAR
Steel bars rolled or forged in bar shapes, with circular
cross-section and diameter of generally 8mm or over.
PIPE
Steel products formed into pipe shapes
There are seamless and welded or forged
Customarily “tube” is used basically in English and
“pipe” is used only for transfer such as pipeline.