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Building Design and Construction Handbook - Merritt - Ventech!

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COLD-FORMED STEEL CONSTRUCTION 8.37<br />

TABLE 8.10 Nominal Tensile <strong>and</strong> Shear Strength for Bolts<br />

Description of bolts<br />

A307 bolts, Grade A<br />

1 1<br />

⁄4 in � d � ⁄2 in<br />

A307 bolts, Grade A<br />

d � 1 ⁄2 in<br />

A325 bolt, when threads<br />

are not excluded from<br />

shear planes<br />

A325 bolts, when threads<br />

are excluded from<br />

shear planes<br />

A354 Grade BD bolts<br />

1 1<br />

⁄4 in � d � ⁄2 in,<br />

when threads are not<br />

excluded from shear<br />

planes<br />

A354 Grade BD bolts<br />

1 1<br />

⁄4 in � d � ⁄2 in,<br />

when threads are<br />

excluded from shear<br />

planes<br />

A449 bolts<br />

1 1<br />

⁄4 in � d � ⁄2 in,<br />

when threads are not<br />

excluded from shear<br />

planes<br />

A449 bolts<br />

1 1<br />

⁄4 in � d � ⁄2 in,<br />

when threads are<br />

excluded from shear<br />

planes<br />

A490 bolts, when threads<br />

are not excluded from<br />

shear planes<br />

A490 bolts, when threads<br />

are excluded from<br />

shear planes<br />

Factor of<br />

safety<br />

�<br />

Tensile strength<br />

Nominal<br />

stress<br />

F nt, ksi<br />

Factor of<br />

safety<br />

�<br />

Shear strength<br />

Nominal<br />

stress<br />

F nv, ksi<br />

2.25 40.5 2.4 24.0<br />

2.25 45.0 27.0<br />

2.0 90.0 54.0<br />

90.0 72.0<br />

101.0 59.0<br />

101.0 90.0<br />

81.0 47.0<br />

81.0 72.0<br />

112.5 67.5<br />

112.5 90.0

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