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Future Steel Buildings, Business, Page 8

Future Steel Buildings

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Steel structures have more flexibility as compared to other
building materials. Components can be shifted from one place to
the other without difficulties. You can even add space by
extending the structure.

Grades of Steel

Classification of steel in different grades is based on their
chemical composition and physical properties. It has been
developed by many standard organizations.

 Society of Automotive Engineers (SAE) steel grades.
 British Standards.
 International Organization for Standardization (ISO)
 ASTM International
 Japanese steel grades JIS standard
 Germany steel grades DIN standard
 China steel grades GB standard

Structural Steel

Structural steel is used to produce shapes, structural bars and
plates which are used for building and bridge construction.
Structural steel has high strength and is flexible.

Structural steel is made from high strength low-alloy (HSLA) steel.
HSLA steels are different from other steels in the way that they
are made according to specific mechanical properties not
chemical composition.

Typical carbon content of HSLA steel is 0.05-0.25%. Carbon is
included for steel to retain its weld ability. Other alloy elements
include up to 2 % Manganese and small quantities of copper,
nickel, calcium, chromium, vanadium and titanium. These


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