L 102x102x9.5 L 4x4x3/8

United States

Dimensions

102 mm

long leg width

102 mm

short leg width

9.52 mm

thickness

tan(α)

inclination of principal axis of inertia

Secondary Dimensions

k_des

19 mm

design distance including flange thickness and web fillet

k_det

19 mm

detailing distance including flange thickness and web fillet

Properties

14.6 kg/m

weight

1,850 mm²

area

x_o

23.9 mm

shear center distance to centroid

e_o

4.76 mm

shear center distance to edge

x-x Axis

I_x

1.8ᴇ6 mm⁴

moment of inertia

S_x

24,600 mm³

elastic section modulus

Z_x

44,100 mm³

plastic section modulus

r_x

31.2 mm

radius of gyration

28.7 mm

distance from edge to centroidal axis

y_p

9.09 mm

vertical distance from edge to plastic neutral axis

y-y Axis

I_y

1.8ᴇ6 mm⁴

moment of inertia

S_y

24,600 mm³

elastic section modulus

Z_y

44,100 mm³

plastic section modulus

r_y

31.2 mm

radius of gyration

28.7 mm

distance from edge to centroidal axis

x_p

9.09 mm

horizontal distance from edge to plastic neutral axis

z-z Axis

I_z

720,000 mm⁴

moment of inertia

S_z

17,700 mm³

elastic section modulus

r_z

19.8 mm

radius of gyration

w-w Axis

I_w

2.88ᴇ6 mm⁴

moment of inertia

S_w

40,200 mm³

elastic section modulus

r_w

39.5 mm

radius of gyration

Torsion

58,700 mm⁴

torsional constant

C_w

43.5ᴇ6 mm⁶

warping constant

W_no

0 mm²

normalized warping function

r_o

55.6 mm

polar radius of gyration about the shear center

Additional Properties

10.7

slenderness ratio

0.63

flexural constant

z_A

68.6 mm

distance from point a to center of gravity (z-axis)

z_B

0 mm

distance from point b to center of gravity (z-axis)

z_C

68.6 mm

distance from point c to center of gravity (z-axis)

w_A

34.5 mm

distance from point a to center of gravity (w-axis)

w_B

40.6 mm

distance from point b to center of gravity (w-axis)

w_C

34.5 mm

distance from point c to center of gravity (w-axis)

S_wA

42,000 mm³

elastic section modulus

S_wC

42,000 mm³

elastic section modulus

S_zA

20,800 mm³

elastic section modulus

S_zB

17,700 mm³

elastic section modulus

S_zC

20,800 mm³

elastic section modulus

Allowable Strength Design

Beam Length

Steel Grade

Material

F_y

345 N/mm²

yield strength

F_u

448 N/mm²

ultimate tensile strength

Major Axis Bending

M_n

Ω_b

5.22 kN-m

available flexural strength

V_n

Ω_v

120 kN

available shear strength

W_max

16 kN

maximum uniform load

Open in beam calculator →

P_max

7.99 kN

maximum point load

Open in beam calculator →

Minor Axis Bending

M_n

Ω_b

5.22 kN-m

available flexural strength

V_n

Ω_v

120 kN

available shear strength

W_max

14.1 kN

maximum uniform load

Open in beam calculator →

P_max

7.28 kN

maximum point load

Open in beam calculator →

Axial Strength

P_n

310 kN

available tensile strength

P_n

Ω_c

80.6 kN

available compressive strength

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