HSS 6.875x0.250

Round HSS from AISC Shapes Database v16.0. Also designated HSS174.6X6.4.

6.88 in6.88 in

Outline drawn from the published dimensions. Fillets and root radii are not shown.

Dimensions

PropertyMetricImperial
Design wall thickness5.92 mm0.233 in
Nominal wall thickness6.35 mm0.25 in
Outside diameter175 mm6.88 in

Bending about the major axis

PropertyMetricImperial
Second moment of area, Iₓ11,200,000 mm⁴26.8 in⁴
Elastic modulus, Sₓ128,000 mm³7.81 in³
Plastic modulus, Zₓ169,000 mm³10.3 in³
Radius of gyration, rₓ59.7 mm2.35 in
Distance to top fibre87.5 mm3.44 in
Distance to bottom fibre87.5 mm3.44 in

Bending about the minor axis

PropertyMetricImperial
Second moment of area, I_y11,200,000 mm⁴26.8 in⁴
Elastic modulus, S_y128,000 mm³7.81 in³
Plastic modulus, Z_y169,000 mm³10.3 in³
Radius of gyration, r_y59.7 mm2.35 in

Torsion and warping

PropertyMetricImperial
Torsion constant, J22,400,000 mm⁴53.7 in⁴

Mass

PropertyMetricImperial
Mass per metre26.3 kg/m17.71 lb/ft
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