W 310x74 W 12x50

United States

Dimensions

310 mm

depth

d_det

311 mm

depth (detailing value)

205 mm

flange width

b_f,det

206 mm

flange width (detailing value)

t_f

16.3 mm

flange thickness

t_f,det

15.9 mm

flange thickness (detailing value)

t_w

9.4 mm

web thickness

t_w,det

9.52 mm

web thickness (detailing value)

Secondary Dimensions

235 mm

depth between fillets

P_B

1,400 mm

perimeter

k_des

29 mm

design distance including flange thickness and web fillet

k_det

38.1 mm

detailing distance including flange thickness and web fillet

k₁

23.8 mm

distance from web center to flange fillet

Properties

74.4 kg/m

weight

9,420 mm²

area

x_o

0 mm

shear center distance to centroid

e_o

103 mm

shear center distance to edge

r_ts

57.2 mm

effective radius of gyration

x-x Axis

I_x

163ᴇ6 mm⁴

moment of inertia

S_x

1.05ᴇ6 mm³

elastic section modulus

Z_x

1.18ᴇ6 mm³

plastic section modulus

r_x

132 mm

radius of gyration

155 mm

distance from edge to centroidal axis

y_p

155 mm

vertical distance from edge to plastic neutral axis

y-y Axis

I_y

23.4ᴇ6 mm⁴

moment of inertia

S_y

228,000 mm³

elastic section modulus

Z_y

349,000 mm³

plastic section modulus

r_y

49.8 mm

radius of gyration

103 mm

distance from edge to centroidal axis

x_p

103 mm

horizontal distance from edge to plastic neutral axis

Torsion

712,000 mm⁴

torsional constant

C_w

505ᴇ9 mm⁶

warping constant

W_no

15,100 mm²

normalized warping function

S_w1

12.6ᴇ6 mm⁴

warping statical moment

Additional Properties

t_w,det

4.76 mm

detailing value of web thickness divided by 2

P_A

1,190 mm

perimeter minus one flange surface

b_f

2t_f

6.31

slenderness ratio

t_w

26.8

slenderness ratio

Q_f

234,000 mm³

statical moment at the flange above web vertical edge

Q_w

580,000 mm³

statical moment at mid-depth of the cross section

h_o

295 mm

distance between the flange centroids

WG_i

140 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

243 kN-m

available flexural strength

V_n

Ω_v

402 kN

available shear strength

W_max

638 kN

maximum uniform load

Open in beam calculator →

P_max

319 kN

maximum point load

Open in beam calculator →

Minor Axis Bending

M_n

Ω_b

72.1 kN-m

available flexural strength

V_n

Ω_v

826 kN

available shear strength

W_max

189 kN

maximum uniform load

Open in beam calculator →

P_max

94.6 kN

maximum point load

Open in beam calculator →

Axial Strength

P_n

1,580 kN

available tensile strength

P_n

Ω_c

1,480 kN

available compressive strength

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