Round HSS

Standard: CSA G40.20/G40.21Source: Calculated (exact engine)

Calculated: design thickness = nominal thickness (CSA G40.20, Class C), outside radius 2t. Range derived from ASTM A500 sizes — cross-check with the CISC tables.

Designation	Masskg/m	Amm²	Dmm	tmm	Ix10⁶ mm⁴	Sx10³ mm³	Zx10³ mm³	rxmm	J10³ mm⁴