Zeron Fastners
ASTM A325 Anchor Fasteners
ASTM A325 Anchor Fasteners are specialized heavy-duty fastening devices used to secure structural elements or machinery to concrete foundations. Although A325 specifically defines high-strength hex bolts, the material properties are frequently adapted for critical anchor components like L-bolts, J-bolts, or straight anchor bolts in structural engineering. Manufactured from quenched and tempered medium carbon steel, these anchors deliver the high shear and tensile strength required to safely resist heavy static and dynamic loads. Zeron Fastners supplies A325-grade anchor fasteners for critical infrastructure, heavy equipment foundations, and structural steel connections where high performance and reliability are non-negotiable.
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ASTM A325 Type 1 Bolting Chemical Composition
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.30 – 0.52 |
| Manganese (Mn) | 0.60 min |
| Phosphorus (P) | 0.035 max |
| Sulfur (S) | 0.045 max |
| Silicon (Si) | 0.10 min |
| Boron (B) | Optional |
ASTM A325 Anchor Fasteners Mechanical Properties
| Property | 1/2" to 1" Diameter (min) | 1-1/8" to 1-1/2" Diameter (min) |
|---|---|---|
| Tensile Strength | 120 ksi (827 MPa) | 105 ksi (724 MPa) |
| Yield Strength (0.2% Offset) | 92 ksi (634 MPa) | 81 ksi (558 MPa) |
| Elongation in 4D | 14% | 14% |
| Hardness (Brinell max) | 319 HB | 319 HB |