UB 686x254x152

United Kingdom

Dimensions

688 mm

depth

254 mm

flange width

t_f

21 mm

flange thickness

t_w

13.2 mm

web thickness

r₁

15.2 mm

fillet radius

Secondary Dimensions

615 mm

depth between fillets

P_B

2,340 mm

perimeter

Properties

152 kg/m

weight

19,400 mm²

area

x_o

0 mm

shear center distance to centroid

e_o

127 mm

shear center distance to edge

x-x Axis

I_x

1.5ᴇ9 mm⁴

moment of inertia

S_x

4.37ᴇ6 mm³

elastic section modulus

Z_x

5ᴇ6 mm³

plastic section modulus

r_x

278 mm

radius of gyration

c_y

344 mm

distance from edge to centroidal axis

y_p

344 mm

vertical distance from edge to plastic neutral axis

y-y Axis

I_y

57.8ᴇ6 mm⁴

moment of inertia

S_y

455,000 mm³

elastic section modulus

Z_y

710,000 mm³

plastic section modulus

r_y

54.6 mm

radius of gyration

c_x

127 mm

distance from edge to centroidal axis

x_p

127 mm

horizontal distance from edge to plastic neutral axis

Torsion

2.2ᴇ6 mm⁴

torsional constant

C_w

6.42ᴇ12 mm⁶

warping constant

W_no

42,400 mm²

normalized warping function

S_w1

56.7ᴇ6 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

743 kN-m

available flexural strength

V_n

Ω_v

901 kN

available shear strength

W_max

1,800 kN

maximum uniform load

Open in beam calculator →

P_max

975 kN

maximum point load

Open in beam calculator →

Minor Axis Bending

M_n

Ω_b

106 kN-m

available flexural strength

V_n

Ω_v

953 kN

available shear strength

W_max

277 kN

maximum uniform load

Open in beam calculator →

P_max

138 kN

maximum point load

Open in beam calculator →

Axial Strength

P_n

2,880 kN

available tensile strength

P_n

Ω_c

2,450 kN

available compressive strength

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