ASTM F 3125 Bolts

ASTM F 3125 Bolts

[ AREAS-964 ]

High Strength Structural Bolt, Steel and Alloy Steel

This specification covers the chemical, physical and mechanical requirements for structural bolts manufactured from steel and alloy steel,

ASTM F3125 Marking Requirements

Marking

120ksi, Type 1

120ksi, Type 3

150ksi, Type 1

150ksi, Type 3

Bolt

A325

A325

A490

A490

Nut

A563 DH

A563 DH3

A563 DH

A563 DH3

-  Supplementary requirements S1 and S2 have special marking requirements.

F3125 Bolt Types

Grade

Min Strength, Tensile

Type

Style

A325

120ksi min

1 or 3

Heavy Hex Head

A325M

830MPa min

1 or 3

Heavy Hex Head

F1852

120ksi min

1 or 3

Twist-Off/TC

A490

150-173ksi

1 or 3

Heavy Hex Head

A490M

1040MPa

1 or 3

Heavy Hex Head

F2280

150ksi

1 or 3

Twist-Off/TC

a )   Type 1 – 120ksi - carbon, carbon boron, alloy, or alloy boron steel

b )   Type 1 – 150ksi – alloy or alloy boron steel

c )   Type 3 – weathering Steel

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