L 203x203x12.7 L 8x8x1/2

United States

Dimensions

203 mm

long leg width

203 mm

short leg width

12.7 mm

thickness

tan(α)

inclination of principal axis of inertia

Secondary Dimensions

k_des

28.7 mm

design distance including flange thickness and web fillet

k_det

28.6 mm

detailing distance including flange thickness and web fillet

Properties

39.3 kg/m

weight

5,060 mm²

area

x_o

48.8 mm

shear center distance to centroid

e_o

6.35 mm

shear center distance to edge

x-x Axis

I_x

20.3ᴇ6 mm⁴

moment of inertia

S_x

137,000 mm³

elastic section modulus

Z_x

247,000 mm³

plastic section modulus

r_x

63.2 mm

radius of gyration

55.1 mm

distance from edge to centroidal axis

y_p

12.4 mm

vertical distance from edge to plastic neutral axis

y-y Axis

I_y

20.3ᴇ6 mm⁴

moment of inertia

S_y

137,000 mm³

elastic section modulus

Z_y

247,000 mm³

plastic section modulus

r_y

63.2 mm

radius of gyration

55.1 mm

distance from edge to centroidal axis

x_p

12.4 mm

horizontal distance from edge to plastic neutral axis

z-z Axis

I_z

8.24ᴇ6 mm⁴

moment of inertia

S_z

106,000 mm³

elastic section modulus

r_z

40.4 mm

radius of gyration

w-w Axis

I_w

32.4ᴇ6 mm⁴

moment of inertia

S_w

225,000 mm³

elastic section modulus

r_w

80.2 mm

radius of gyration

Torsion

284,000 mm⁴

torsional constant

C_w

867ᴇ6 mm⁶

warping constant

W_no

0 mm²

normalized warping function

r_o

113 mm

polar radius of gyration about the shear center

Additional Properties

slenderness ratio

0.63

flexural constant

z_A

139 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

139 mm

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

w_A

70.1 mm

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

w_B

78 mm

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

w_C

70.1 mm

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

S_wA

233,000 mm³

elastic section modulus

S_wC

233,000 mm³

elastic section modulus

S_zA

117,000 mm³

elastic section modulus

S_zB

106,000 mm³

elastic section modulus

S_zC

117,000 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

26.3 kN-m

available flexural strength

V_n

Ω_v

320 kN

available shear strength

W_max

89.1 kN

maximum uniform load

Open in beam calculator →

P_max

44.5 kN

maximum point load

Open in beam calculator →

Minor Axis Bending

M_n

Ω_b

26.3 kN-m

available flexural strength

V_n

Ω_v

320 kN

available shear strength

W_max

71.7 kN

maximum uniform load

Open in beam calculator →

P_max

37.3 kN

maximum point load

Open in beam calculator →

Axial Strength

P_n

850 kN

available tensile strength

P_n

Ω_c

619 kN

available compressive strength

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