HSS20×8×5/16 dimensions and section properties | Kannamwar Engineering

HSS20×8×5/16

Metric Imperial

Use in Beam Calculator Open in Section Properties

Dimensions
WWeight	57.36
HHeight	20
BWidth	8
t_nomNominal wall	0.3125
t_desDesign wall	0.291
AArea	15.7
Major axis
I_xSecond moment of area	786
S_xElastic modulus	78.6
Z_xPlastic modulus	98.6
r_xRadius of gyration	7.07
y_topCentroid to top	10
y_botCentroid to bottom	10
Minor axis
I_ySecond moment of area	189
S_yElastic modulus	47.4
Z_yPlastic modulus	52
r_yRadius of gyration	3.47
Torsion and warping
JTorsion constant	496

Material

Standard

Grade

AISC Manual Table 2-4

Material and nominal capacity of HSS20×8×5/16 in the grade picked
Capacity (nominal, no resistance or safety factors)
Steel type	Carbon
F_yYield strength, minimum	46
F_uTensile strength, minimum	58
EModulus of elasticity	29,000
GShear modulus	11,200
νPoisson's ratio	0.3
ρDensity	490
Flexure class, AISC 360 Table B4.1	Non-compact, h/t 65.7 (λp 60.8, λr 143.2)
P_yAxial yield, A·Fy	722.2
M_yYield moment, Sx·Fy	301.3
M_pPlastic moment, Zx·Fy	378