L 203x102x12.7 L 8x4x1/2

United States

Dimensions

203 mm

long leg width

102 mm

short leg width

12.7 mm

thickness

tan(α)

0.266

inclination of principal axis of inertia

Secondary Dimensions

k_des

25.4 mm

design distance including flange thickness and web fillet

k_det

25.4 mm

detailing distance including flange thickness and web fillet

Properties

29.2 kg/m

weight

3,740 mm²

area

x_o

15.3 mm

shear center distance to centroid

e_o

6.35 mm

shear center distance to edge

x-x Axis

I_x

16.1ᴇ6 mm⁴

moment of inertia

S_x

123,000 mm³

elastic section modulus

Z_x

215,000 mm³

plastic section modulus

r_x

65.5 mm

radius of gyration

72.1 mm

distance from edge to centroidal axis

y_p

55.9 mm

vertical distance from edge to plastic neutral axis

y-y Axis

I_y

2.81ᴇ6 mm⁴

moment of inertia

S_y

35,200 mm³

elastic section modulus

Z_y

64,100 mm³

plastic section modulus

r_y

27.4 mm

radius of gyration

21.7 mm

distance from edge to centroidal axis

x_p

9.22 mm

horizontal distance from edge to plastic neutral axis

z-z Axis

I_z

1.8ᴇ6 mm⁴

moment of inertia

S_z

29,800 mm³

elastic section modulus

r_z

21.9 mm

radius of gyration

w-w Axis

I_w

17.1ᴇ6 mm⁴

moment of inertia

S_w

129,000 mm³

elastic section modulus

r_w

67.7 mm

radius of gyration

Torsion

209,000 mm⁴

torsional constant

C_w

483ᴇ6 mm⁶

warping constant

W_no

0 mm²

normalized warping function

r_o

98 mm

polar radius of gyration about the shear center

Additional Properties

slenderness ratio

z_A

84.1 mm

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

z_B

64 mm

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

z_C

131 mm

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

w_A

60.2 mm

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

w_B

39.6 mm

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

w_C

18.9 mm

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

S_wA

203,000 mm³

elastic section modulus

S_wB

267,000 mm³

elastic section modulus

S_wC

131,000 mm³

elastic section modulus

S_zA

29,800 mm³

elastic section modulus

S_zB

45,400 mm³

elastic section modulus

S_zC

95,200 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

24.3 kN-m

available flexural strength

V_n

Ω_v

320 kN

available shear strength

W_max

79.7 kN

maximum uniform load

Open in beam calculator →

P_max

39.8 kN

maximum point load

Open in beam calculator →

Minor Axis Bending

M_n

Ω_b

8 kN-m

available flexural strength

V_n

Ω_v

160 kN

available shear strength

W_max

21.5 kN

maximum uniform load

Open in beam calculator →

P_max

11 kN

maximum point load

Open in beam calculator →

Axial Strength

P_n

629 kN

available tensile strength

P_n

Ω_c

201 kN

available compressive strength

DISCLAIMER All results and information presented here must be verified for accuracy, suitability, and applicability by a qualified engineering professional. While we strive to produce high quality software, Ketchep.com, LLC makes no warranty that this software is free from defects or that these results are accurate, suitable, or applicable for any general or particular use. Anyone making use of this software and its output assumes all liability for such use.