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.
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.
I-BEAM
Cross-section whose shape resembles the letter I
In ISO 6929, more detailed classification of I sections
and H sections, flanges with width equal to
or less than 0.66 times the nominal height
of the section and less than 300 mm are called sections.
RAIL
Steel products used for railway and other tracks
They are classified into general use and special use
and further, those for general use are classfied into
railway rails and light rails.
Those for special use are used as tracks of crane,
lifts, etc, except vehicles.
PROFILE
A wrought product that is long in relation to its
cross-sectional dimensions which is of a form other
than that of plate, round-bar, tube, wire or foil.