HSS 299.72x8.6 HSS 11.750x0.337

United States

Dimensions

300 mm

outer diameter

t_nom

8.56 mm

wall thickness (nominal)

t_des

7.95 mm

wall thickness (design)

Properties

61.2 kg/m

weight

7,290 mm²

area

x_o

0 mm

shear center distance to centroid

x-x Axis

I_x

76.6ᴇ6 mm⁴

moment of inertia

S_x

515,000 mm³

elastic section modulus

Z_x

672,000 mm³

plastic section modulus

r_x

103 mm

radius of gyration

150 mm

distance from edge to centroidal axis

y_p

150 mm

vertical distance from edge to plastic neutral axis

y-y Axis

I_y

76.6ᴇ6 mm⁴

moment of inertia

S_y

515,000 mm³

elastic section modulus

Z_y

672,000 mm³

plastic section modulus

r_y

103 mm

radius of gyration

150 mm

distance from edge to centroidal axis

x_p

150 mm

horizontal distance from edge to plastic neutral axis

Torsion

153ᴇ6 mm⁴

torsional constant

1.04ᴇ6 mm³

hss torsional constant

C_w

0 mm⁶

warping constant

Additional Properties

37.5

slenderness ratio

Allowable Strength Design

Beam Length

Steel Grade

Material

F_y

345 N/mm²

yield strength

F_u

427 N/mm²

ultimate tensile strength

Major Axis Bending

M_n

Ω_b

139 kN-m

available flexural strength

V_n

Ω_v

451 kN

available shear strength

W_max

364 kN

maximum uniform load

Open in beam calculator →

P_max

182 kN

maximum point load

Open in beam calculator →

Minor Axis Bending

M_n

Ω_b

139 kN-m

available flexural strength

V_n

Ω_v

451 kN

available shear strength

W_max

364 kN

maximum uniform load

Open in beam calculator →

P_max

182 kN

maximum point load

Open in beam calculator →

Axial Strength

P_n

1,170 kN

available tensile strength

P_n

Ω_c

1,410 kN

available compressive strength

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