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Wednesday, May 10, 2017

Brief overview of rolled steel sections in construction

Rolled steel sections are considered as the useful materials in steel construction. These are accessible in different forms.
Steel is one of the most vital building materials in construction industry. It has diverse applications.
On the basis of their utilization, various steel members are manufactured in the factories. The continuous casting molds devoid of any joints are used to cast rolled steel sections. Given below, details of various shapes or forms of rolled steel sections.
Types of Rolled Steel Sections:
• Angle sections
• Channel sections
• T- sections
• I-sections
• Round bars
• Square bars
Flat bars
Corrugated sheets
• Expanded metal
• Plates
• Ribbed bars (HYSD)
• Ribbed bars (mild steel)
• Thermo-mechanically treated bars
• Welded wire fabrics
Rolled Angle Sections: Angle sections are built in “L” shape. It comprises of two legs. Some angle sections include legs containing equivalent dimensions which are described as equal angle sections and some include dissimilar legs which are described as unequal angle sections.
Angle sections are mostly utilized for roof truss constructions and for filler joist floors.
Equal angle sections can be accessed with 20 mm x 20 mm x 3 mm to 200 mm x 200 mm x 25 mm along with their equivalent weights as 9 N and 736 N per meter length respectively.
Unequal angle sections can be accessed with 30 mm x 20 mm x 3 mm to 200 mm x 150 mm x 18 mm along with 11 and 469 N per meter length weight correspondingly.
Rolled Channel Sections: The channel section or C- section comprises of two equal flanges associated with web at both ends. Channel sections are widely utilized in steel framed structures.
They are presented with different sizes which vary from 100 mm x 45 mm to 400 mm x 100 mm. Equivalent unit weights belong to 58 N and 494 N per meter length relatively.
Brief overview of rolled steel sections in construction

Published By
Rajib Dey

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