ST 255x49.1 ST 10x33

United States

Dimensions

254 mm

depth

d_det

254 mm

depth (detailing value)

159 mm

flange width

b_f,det

159 mm

flange width (detailing value)

t_f

20.2 mm

flange thickness

t_f,det

20.6 mm

flange thickness (detailing value)

t_w

12.8 mm

web thickness

t_w,det

12.7 mm

web thickness (detailing value)

Secondary Dimensions

k_des

41.4 mm

design distance including flange thickness and web fillet

k_det

41.3 mm

detailing distance including flange thickness and web fillet

Properties

49.1 kg/m

weight

6,260 mm²

area

x_o

0 mm

shear center distance to centroid

e_o

79.5 mm

shear center distance to edge

x-x Axis

I_x

38.7ᴇ6 mm⁴

moment of inertia

S_x

211,000 mm³

elastic section modulus

Z_x

383,000 mm³

plastic section modulus

r_x

78.7 mm

radius of gyration

71.4 mm

distance from edge to centroidal axis

y_p

21.4 mm

vertical distance from edge to plastic neutral axis

y-y Axis

I_y

5.7ᴇ6 mm⁴

moment of inertia

S_y

71,900 mm³

elastic section modulus

Z_y

126,000 mm³

plastic section modulus

r_y

30.2 mm

radius of gyration

79.5 mm

distance from edge to centroidal axis

x_p

79.5 mm

horizontal distance from edge to plastic neutral axis

Torsion

741,000 mm⁴

torsional constant

C_w

1.08ᴇ9 mm⁶

warping constant

W_no

0 mm²

normalized warping function

r_o

104 mm

polar radius of gyration about the shear center

Additional Properties

t_w,det

6.35 mm

detailing value of web thickness divided by 2

b_f

2t_f

3.94

slenderness ratio

19.8

slenderness ratio

0.654

flexural constant

WG_i

88.9 mm

workable gage for inner flange holes

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

43.6 kN-m

available flexural strength

V_n

Ω_v

404 kN

available shear strength

W_max

183 kN

maximum uniform load

Open in beam calculator →

P_max

91.6 kN

maximum point load

Open in beam calculator →

Minor Axis Bending

M_n

Ω_b

43.6 kN-m

available flexural strength

V_n

Ω_v

398 kN

available shear strength

W_max

115 kN

maximum uniform load

Open in beam calculator →

P_max

57.3 kN

maximum point load

Open in beam calculator →

Axial Strength

P_n

1,050 kN

available tensile strength

P_n

Ω_c

574 kN

available compressive strength

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