Bolt Specifications: A325
Structural bolt specifications — tensile/shear capacity, proof loads, pretension for ASTM A325 and A490 bolts
| specification | nominal diameter | Fnt ksi (ksi) | Fnv N ksi (ksi) | Fnv X ksi (ksi) | hardness | head type | material | min pretension kips (kips) | proof load MPa (MPa) | proof load kips (kips) | proof load ksi (ksi) | shear capacity N kips (kips) | shear capacity X kips (kips) | standard | tensile capacity kips (kips) | tensile strength MPa (MPa) | tensile strength ksi (ksi) | tensile stress area in2 (in2) | yield strength MPa (MPa) | yield strength ksi (ksi) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A325 | 0.5 | 90 | 54 | 68 | 25-34 HRC | Heavy hex | Medium carbon steel | 12 | 586 | 12.06 | 85 | 7.66 | 9.65 | ASTM F3125 | 12.77 | 827 | 120 | 0.1419 | 634 | 92 |
| A325 | 0.625 | 90 | 54 | 68 | 25-34 HRC | Heavy hex | Medium carbon steel | 19 | 586 | 19.21 | 85 | 12.2 | 15.37 | ASTM F3125 | 20.34 | 827 | 120 | 0.226 | 634 | 92 |
| A325 | 0.75 | 90 | 54 | 68 | 25-34 HRC | Heavy hex | Medium carbon steel | 28 | 586 | 28.39 | 85 | 18.04 | 22.71 | ASTM F3125 | 30.06 | 827 | 120 | 0.334 | 634 | 92 |
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