L 305x305x34.9 L 12x12x1-3/8

United States

Dimensions

305 mm

long leg width

305 mm

short leg width

35.1 mm

thickness

tan(α)

inclination of principal axis of inertia

Secondary Dimensions

k_des

53.1 mm

design distance including flange thickness and web fillet

k_det

52.4 mm

detailing distance including flange thickness and web fillet

Properties

156 kg/m

weight

20,100 mm²

area

x_o

71.4 mm

shear center distance to centroid

e_o

17.5 mm

shear center distance to edge

x-x Axis

I_x

172ᴇ6 mm⁴

moment of inertia

S_x

796,000 mm³

elastic section modulus

Z_x

1.44ᴇ6 mm³

plastic section modulus

r_x

92.5 mm

radius of gyration

88.9 mm

distance from edge to centroidal axis

y_p

33 mm

vertical distance from edge to plastic neutral axis

y-y Axis

I_y

172ᴇ6 mm⁴

moment of inertia

S_y

796,000 mm³

elastic section modulus

Z_y

1.44ᴇ6 mm³

plastic section modulus

r_y

92.5 mm

radius of gyration

88.9 mm

distance from edge to centroidal axis

x_p

33 mm

horizontal distance from edge to plastic neutral axis

z-z Axis

I_z

68.7ᴇ6 mm⁴

moment of inertia

S_z

546,000 mm³

elastic section modulus

r_z

58.4 mm

radius of gyration

w-w Axis

I_w

275ᴇ6 mm⁴

moment of inertia

S_w

1.29ᴇ6 mm³

elastic section modulus

r_w

117 mm

radius of gyration

Torsion

8.28ᴇ6 mm⁴

torsional constant

C_w

56.7ᴇ9 mm⁶

warping constant

W_no

0 mm²

normalized warping function

r_o

165 mm

polar radius of gyration about the shear center

Additional Properties

8.7

slenderness ratio

0.627

flexural constant

z_A

203 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

203 mm

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

w_A

102 mm

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

w_B

126 mm

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

w_C

102 mm

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

S_wA

1.35ᴇ6 mm³

elastic section modulus

S_wC

1.35ᴇ6 mm³

elastic section modulus

S_zA

672,000 mm³

elastic section modulus

S_zB

546,000 mm³

elastic section modulus

S_zC

672,000 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

197 kN-m

available flexural strength

V_n

Ω_v

1,320 kN

available shear strength

W_max

518 kN

maximum uniform load

Open in beam calculator →

P_max

259 kN

maximum point load

Open in beam calculator →

Minor Axis Bending

M_n

Ω_b

197 kN-m

available flexural strength

V_n

Ω_v

1,320 kN

available shear strength

W_max

518 kN

maximum uniform load

Open in beam calculator →

P_max

259 kN

maximum point load

Open in beam calculator →

Axial Strength

P_n

3,370 kN

available tensile strength

P_n

Ω_c

3,390 kN

available compressive strength

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