ST 155x26 ST 6x17.5

United States

Dimensions

152 mm

depth

d_det

152 mm

depth (detailing value)

129 mm

flange width

b_f,det

130 mm

flange width (detailing value)

t_f

13.8 mm

flange thickness

t_f,det

14.3 mm

flange thickness (detailing value)

t_w

10.9 mm

web thickness

t_w,det

11.1 mm

web thickness (detailing value)

Secondary Dimensions

k_des

30.2 mm

design distance including flange thickness and web fillet

k_det

30.2 mm

detailing distance including flange thickness and web fillet

Properties

26 kg/m

weight

3,300 mm²

area

x_o

0 mm

shear center distance to centroid

e_o

64.5 mm

shear center distance to edge

x-x Axis

I_x

7.16ᴇ6 mm⁴

moment of inertia

S_x

64,700 mm³

elastic section modulus

Z_x

117,000 mm³

plastic section modulus

r_x

46.5 mm

radius of gyration

41.9 mm

distance from edge to centroidal axis

y_p

13.8 mm

vertical distance from edge to plastic neutral axis

y-y Axis

I_y

2.05ᴇ6 mm⁴

moment of inertia

S_y

31,800 mm³

elastic section modulus

Z_y

55,700 mm³

plastic section modulus

r_y

24.9 mm

radius of gyration

64.5 mm

distance from edge to centroidal axis

x_p

64.5 mm

horizontal distance from edge to plastic neutral axis

Torsion

218,000 mm⁴

torsional constant

C_w

149ᴇ6 mm⁶

warping constant

W_no

0 mm²

normalized warping function

r_o

63.2 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

4.67

slenderness ratio

0.695

flexural constant

WG_i

76.2 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

13.4 kN-m

available flexural strength

V_n

Ω_v

205 kN

available shear strength

W_max

56.1 kN

maximum uniform load

Open in beam calculator →

P_max

28.1 kN

maximum point load

Open in beam calculator →

Minor Axis Bending

M_n

Ω_b

13.4 kN-m

available flexural strength

V_n

Ω_v

221 kN

available shear strength

W_max

35.1 kN

maximum uniform load

Open in beam calculator →

P_max

17.5 kN

maximum point load

Open in beam calculator →

Axial Strength

P_n

555 kN

available tensile strength

P_n

Ω_c

221 kN

available compressive strength

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