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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