HSS 177.8x76.2x7.9 HSS 7x3x5/16

United States

Dimensions

178 mm

overall depth

156 mm

depth of flat wall

76.2 mm

width

54.1 mm

flat wall width

t_nom

7.94 mm

wall thickness (nominal)

t_des

7.39 mm

wall thickness (design)

Properties

28.4 kg/m

weight

3,390 mm²

area

x_o

0 mm

shear center distance to centroid

x-x Axis

I_x

12.4ᴇ6 mm⁴

moment of inertia

S_x

140,000 mm³

elastic section modulus

Z_x

182,000 mm³

plastic section modulus

r_x

60.5 mm

radius of gyration

88.9 mm

distance from edge to centroidal axis

y_p

88.9 mm

vertical distance from edge to plastic neutral axis

y-y Axis

I_y

3.22ᴇ6 mm⁴

moment of inertia

S_y

84,600 mm³

elastic section modulus

Z_y

99,100 mm³

plastic section modulus

r_y

30.7 mm

radius of gyration

38.1 mm

distance from edge to centroidal axis

x_p

38.1 mm

horizontal distance from edge to plastic neutral axis

Torsion

8.7ᴇ6 mm⁴

torsional constant

152,000 mm³

hss torsional constant

C_w

0 mm⁶

warping constant

Additional Properties

t_des

7.31

slenderness ratio

t_des

21.1

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

37.5 kN-m

available flexural strength

V_n

Ω_v

285 kN

available shear strength

W_max

98.6 kN

maximum uniform load

Open in beam calculator →

P_max

49.3 kN

maximum point load

Open in beam calculator →

Minor Axis Bending

M_n

Ω_b

20.5 kN-m

available flexural strength

V_n

Ω_v

98.9 kN

available shear strength

W_max

53.7 kN

maximum uniform load

Open in beam calculator →

P_max

26.9 kN

maximum point load

Open in beam calculator →

Axial Strength

P_n

544 kN

available tensile strength

P_n

Ω_c

341 kN

available compressive strength

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