Cold-Formed Rectangular Hollow Sections - 250x150x10.0

Cold-formed rectangular hollow sections (RHS) are flat-sided, box-shaped steel tubes made by bending flat steel sheets into shape at room temperature and welding the seam. This cold-shaping process triggers "work hardening," which increases the steel's yield strength and makes the finished tube highly resistant to bending. Their flat, straight faces make them much easier to join, bolt, or weld to other flat structural parts compared to round pipes. Thanks to this practical shape and high strength-to-weight ratio, they are a favorite choice for construction frames, machinery scaffolding, and architectural steelwork.

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Dimensions

PropertyValue
D mm250
B mm150
t mm10
kg/m57
A cm272.6

Full sortable table: Dimensions table for this category

Section Properties

PropertyValue
Ratios for Local Buckling - d/t(1)20
Ratios for Local Buckling - b/t(1)10
Second Moment of Area (x-x) - cm45830
Second Moment of Area (y-y) - cm42630
Radius of Gyration (x-x) - cm8.96
Radius of Gyration (y-y) - cm6.02
Elastic Modulus (x-x) - cm3466
Elastic Modulus (y-y) - cm3351
Plastic Modulus (x-x) - cm3582
Plastic Modulus (y-y) - cm3409
Torsional Constants - J cm46120
Torsional Constants - C cm3602
Surface Area (Per Metre) - m20.757
Surface Area (Per Tonne) - m213.3

Full sortable table: Properties table for this category