HSS - CSA G40 Round (HS) - HS64x4.8

Round Hollow Structural Sections to CSA G40.21 are the Canadian-grade circular HSS family, used throughout Canada for columns, bracing, handrails, and any structure where equal strength in all directions and a clean circular profile are wanted. Their closed shape gives efficient resistance to buckling for a given weight of steel, and the round profile is a common architectural choice for exposed steelwork. The full CSA G40 round range is available here as free CAD blocks, with outside diameter and wall thickness data from CISC 12.

HS64x4.8
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Dimensions

PropertyValue
Ds_iHS2.5x0.188
D63.5
T4.78
Tdes4.78
Mass6.92
Wt_i4.65
A_Th882

Full sortable table: Dimensions table for this category

Section Properties

PropertyValue
Ds_iHS2.5x0.188
Mass6.92
Wt_i4.65
Prp
Avl
Shp11
Use2
B
BT
DT13.28
Dn_m64
A_Th882
Ix0.383
Sx12
Rx20.8
Zx16.5
Iy0.383
Sy12
Ry20.8
Zy16.5
J765
Crt443
C24.1
SA0.199
Dn_i2.5

Full sortable table: Properties table for this category