L 305x305x25.4 L 12x12x1

United States

Dimensions

305 mm

long leg width

305 mm

short leg width

25.4 mm

thickness

tan(α)

inclination of principal axis of inertia

Secondary Dimensions

k_des

43.4 mm

design distance including flange thickness and web fillet

k_det

42.9 mm

detailing distance including flange thickness and web fillet

Properties

116 kg/m

weight

14,800 mm²

area

x_o

72.6 mm

shear center distance to centroid

e_o

12.7 mm

shear center distance to edge

x-x Axis

I_x

131ᴇ6 mm⁴

moment of inertia

S_x

598,000 mm³

elastic section modulus

Z_x

1.08ᴇ6 mm³

plastic section modulus

r_x

94 mm

radius of gyration

85.3 mm

distance from edge to centroidal axis

y_p

24.3 mm

vertical distance from edge to plastic neutral axis

y-y Axis

I_y

131ᴇ6 mm⁴

moment of inertia

S_y

598,000 mm³

elastic section modulus

Z_y

1.08ᴇ6 mm³

plastic section modulus

r_y

94 mm

radius of gyration

85.3 mm

distance from edge to centroidal axis

x_p

24.3 mm

horizontal distance from edge to plastic neutral axis

z-z Axis

I_z

52.4ᴇ6 mm⁴

moment of inertia

S_z

434,000 mm³

elastic section modulus

r_z

59.4 mm

radius of gyration

w-w Axis

I_w

210ᴇ6 mm⁴

moment of inertia

S_w

981,000 mm³

elastic section modulus

r_w

119 mm

radius of gyration

Torsion

3.25ᴇ6 mm⁴

torsional constant

C_w

22.7ᴇ9 mm⁶

warping constant

W_no

0 mm²

normalized warping function

r_o

168 mm

polar radius of gyration about the shear center

Additional Properties

slenderness ratio

0.626

flexural constant

z_A

207 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

207 mm

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

w_A

104 mm

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

w_B

121 mm

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

w_C

104 mm

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

S_wA

1.02ᴇ6 mm³

elastic section modulus

S_wC

1.02ᴇ6 mm³

elastic section modulus

S_zA

505,000 mm³

elastic section modulus

S_zB

434,000 mm³

elastic section modulus

S_zC

505,000 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

135 kN-m

available flexural strength

V_n

Ω_v

959 kN

available shear strength

W_max

389 kN

maximum uniform load

Open in beam calculator →

P_max

194 kN

maximum point load

Open in beam calculator →

Minor Axis Bending

M_n

Ω_b

135 kN-m

available flexural strength

V_n

Ω_v

959 kN

available shear strength

W_max

363 kN

maximum uniform load

Open in beam calculator →

P_max

186 kN

maximum point load

Open in beam calculator →

Axial Strength

P_n

2,490 kN

available tensile strength

P_n

Ω_c

2,520 kN

available compressive strength

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