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Hot & cold rolled steel farhan
1. Hot & Cold
Rolled Steel
Farhan Asim
B.Arch 3rd Year
Ansal School of Architecture
2. STEEL SECTIONS
• The steel sections most used in structural steelwork are standard hot-rolled steel
universal beams and columns together with a range of tees, channels and angles.
• Universal beams and columns are produced in a range of standard sizes and
weights designated by serial sizes. Within each serial size, the inside dimensions
between flanges and flange edge and web remain constant, and the overall
dimensions and weights vary.
3. STEEL SECTIONS
• This grouping of sections in serial sizes is convenient for production within a range
of rolling sizes and for the selection of a suitable size and weight by the designer.
• The deep web to flange dimensions of beams and the near similar flange to web
dimensions of columns are chosen to suit the functions of the structural elements.
• Because of the close similarity of the width of the flange to the web of column
sections, they are sometimes known as ‘broad flange sections’.
4. Hot Rolled Section
• The metallurgical process of Hot rolling,
used mainly to produce sheet metal or
simple cross sections from billets describes
the method of when industrial metal is
passed or deformed between a set of work
rolls and the temperature of the metal is
generally above its recrystallization
temperature.
• Hot rolling permits large deformations of the
metal to be achieved with a low number of
rolling cycles.
• Hot rolling is primarily concerned with
manipulating material shape and geometry
rather than mechanical properties.
• You’ll find hot rolled products like hot rolled
steel bars in the welding and construction
trades such as making railroad tracks, I-beams,
and other steel construction
materials that don’t require super precise
shapes.
5. Cold Rolled Section
• Cold rolled steel is manufactured at
temperatures below its recrystallization
temperature, typically at around room
temperature.
• Because the steel is manufactured at a
much lower temperature, there’s no need to
worry about the steel shrinking or changing
form or appearance.
• The cold rolled steel end products like cold
finished steel bar has a much smoother
appearance and may have square corners
more accurate in dimension and finish.
• Cold rolled steel is much more preferred in
the machining world where the quality of the
steel is an important factor of the quality of
the final product, and the appearance of the
steel is also an important factor.
6. COMPANY BROCHURES
Attachments with the presentation.
• TATA STEEL
• TATA TISCON
• ESSAR HOT ROLLED STEEL
• BHUSHAN STEEL