Zeron Fastners
SS 321 Anchor Fasteners
SS 321 Anchor Fasteners are specialized heavy-duty fasteners designed to secure structural elements, equipment, or machinery to concrete, masonry, or foundation materials. This category includes chemical anchor bolts, mechanical anchors, and J or L-type foundation bolts, all manufactured from Stainless Steel Grade 321. This alloy is stabilized with Titanium, which prevents the depletion of chromium at grain boundaries, ensuring the anchor retains its resistance to intergranular corrosion after being exposed to high temperatures (the sensitization range, 425°C to 850°C). Zeron Fasteners manufactures and supplies robust SS 321 Anchor Fasteners that are crucial for structural integrity in high-heat and corrosive environments, such as mounting furnace equipment, securing heavy machinery bases in chemical plants, and supporting critical infrastructure under thermal load.
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SS 321 Anchor Fasteners Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.08 |
| Manganese (Mn) | 2.00 |
| Silicon (Si) | 1.00 |
| Chromium (Cr) | 17.0 – 19.0 |
| Nickel (Ni) | 9.0 – 12.0 |
| Titanium (Ti) | 5 x C – 0.70 |
| Phosphorus (P) | 0.045 |
| Sulfur (S) | 0.030 |
Note: The Titanium content is five times the Carbon content minimum, up to a maximum of 0.70%.
SS 321 Anchor Fasteners Mechanical Properties
| Property | Value (Typical) |
|---|---|
| Tensile Strength | 515 MPa |
| Yield Strength (0.2% Offset) | 205 MPa |
| Elongation in 50mm | 35 % |
| Pull-Out Strength | Varies by anchor type and concrete grade |
| Maximum Service Temperature | 850°C |