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A325 — Bolt Specifications
634 MPa yield, 827 MPa tensile, 120 ksi
A325 (ASTM F3125) is a medium carbon steel heavy hex-head structural bolt grade with tensile strength 120 ksi (827 MPa), yield strength 92 ksi (634 MPa), proof load 85 ksi. AISC nominal stresses: Fnt = 90 ksi, Fnv = 68 ksi (threads excluded) / 54 ksi (threads included). Covers 9 nominal diameters from 0.500 to 1.50 in, with tensile capacities from 12.8 to 126.5 kips. Specified hardness: 25-34 HRC.
- 0.5Nominal Diameter: 0.5nominal diameter 0.5
- 0.625Nominal Diameter: 0.625nominal diameter 0.625
- 0.75Nominal Diameter: 0.75nominal diameter 0.75
- 0.875Nominal Diameter: 0.875nominal diameter 0.875
- 1.0Nominal Diameter: 1.0nominal diameter 1.0
- 1.125Nominal Diameter: 1.125nominal diameter 1.125
- 1.25Nominal Diameter: 1.25nominal diameter 1.25
- 1.375Nominal Diameter: 1.375nominal diameter 1.375
- 1.5Nominal Diameter: 1.5nominal diameter 1.5