UB 305x102x25

United Kingdom

Dimensions

305 mm

depth

102 mm

flange width

t_f

7 mm

flange thickness

t_w

5.8 mm

web thickness

r₁

7.6 mm

fillet radius

Secondary Dimensions

276 mm

depth between fillets

P_B

992 mm

perimeter

Properties

24.8 kg/m

weight

3,160 mm²

area

x_o

0 mm

shear center distance to centroid

e_o

50.8 mm

shear center distance to edge

x-x Axis

I_x

44.6ᴇ6 mm⁴

moment of inertia

S_x

292,000 mm³

elastic section modulus

Z_x

342,000 mm³

plastic section modulus

r_x

119 mm

radius of gyration

c_y

153 mm

distance from edge to centroidal axis

y_p

153 mm

vertical distance from edge to plastic neutral axis

y-y Axis

I_y

1.23ᴇ6 mm⁴

moment of inertia

S_y

24,200 mm³

elastic section modulus

Z_y

38,800 mm³

plastic section modulus

r_y

19.7 mm

radius of gyration

c_x

50.8 mm

distance from edge to centroidal axis

x_p

50.8 mm

horizontal distance from edge to plastic neutral axis

Torsion

47,700 mm⁴

torsional constant

C_w

27ᴇ9 mm⁶

warping constant

W_no

7,570 mm²

normalized warping function

S_w1

1.35ᴇ6 mm⁴

warping statical moment

Allowable Strength Design

Beam Length

Steel Grade

Material

F_y

248 N/mm²

yield strength

F_u

400 N/mm²

ultimate tensile strength

Major Axis Bending

M_n

Ω_b

50.8 kN-m

available flexural strength

V_n

Ω_v

176 kN

available shear strength

W_max

133 kN

maximum uniform load

Open in beam calculator →

P_max

66.7 kN

maximum point load

Open in beam calculator →

Minor Axis Bending

M_n

Ω_b

5.75 kN-m

available flexural strength

V_n

Ω_v

127 kN

available shear strength

W_max

15.1 kN

maximum uniform load

Open in beam calculator →

P_max

7.55 kN

maximum point load

Open in beam calculator →

Axial Strength

P_n

470 kN

available tensile strength

P_n

Ω_c

137 kN

available compressive strength

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