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Section Bar

What is the section bar?


A section bar is a long, uniform metal profile with a specific cross-sectional shape, commonly used in construction, manufacturing, and engineering. 


Common types of section bars include:

  • I-beam – Used in structural frameworks.

  • T-section – Provides support in load-bearing structures.

  • Angle bar (L-section) – Used in reinforcement and framework applications.

  • Flat bar – Used for fabrication, brackets, and supports.

  • Round bar – Used in shafts, fasteners, and machining.


What size is T section steel?


T-section steel comes in various sizes depending on the application. Standard dimensions include:

SpecificationWidth (mm)Height (mm)Thickness (mm)
T2525253–5
T5050505–8
T7575756–10
T1001001008–12
Custom SizesAvailable based on structural needs

T-section steel is commonly used in construction, mechanical structures, and bridges for load-bearing support.


What is the difference between iron bar and steel bar?


FeatureIron BarSteel Bar
CompositionPrimarily iron with some impuritiesIron alloyed with carbon and other elements
StrengthLower tensile strengthHigher strength and durability
Corrosion ResistanceProne to rustingMore resistant, especially stainless or galvanized steel
FlexibilityMore brittleMore flexible and can withstand stress
Common UsesBasic construction, traditional toolsReinforcement bars (rebars), structural components, machinery

Steel bars are preferred in modern construction and manufacturing due to their superior mechanical properties.



What is the difference between hot-rolled and cold-rolled section bars?


FeatureHot-Rolled Section BarCold-Rolled Section Bar
Manufacturing ProcessRolled at high temperatures (above 1000°C)Rolled at room temperature after hot rolling
Surface FinishRough, with oxide scalesSmooth, polished, and more precise
Strength & HardnessSofter and more ductileHarder with higher tensile strength
CostMore affordableMore expensive due to extra processing
Common ApplicationsStructural frameworks, heavy machineryPrecision engineering, automotive, appliances


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