SS 321 Anchor BoltASTM A193 · ASTM F1554 / project drawing · Manufacturer, stockist & exporter, India
AISI 321 · UNS S32100
An SS 321 anchor bolt is a bolt that fixes structures or equipment to concrete, made from SS 321 to ASTM A193 B8T. Anchor bolts are cast into or drilled into concrete foundations for columns and equipment.
- ASTM A193
- ASTM F1554 / project drawing
- EN 10204 3.1 / 3.2
- Export packing
Reviewed by the Kanak Steel & Engineering Co. technical team · Updated October 2026
What is an SS 321 Anchor Bolt?
- What it is
- A bolt that fixes structures or equipment to concrete
- Material
- ASTM A193 B8T
- Dimensions
- ASTM F1554 / project drawing
- Grade
- SS 321 · UNS S32100
- Best at
- High-temperature service between 425 and 815 °C
SS 321 Anchor Bolt Specification
| Product | SS 321 Anchor Bolt |
|---|---|
| Material standard | ASTM A193 B8T |
| Dimensional standard | ASTM F1554 / project drawing |
| Sizes | M10 – M64 · ½" – 4" (others on request) |
| Threads | UNC · UN-8 · metric coarse |
| Testing | PMI · dimensional · NDT and IGC on request |
| Documents | EN 10204 3.1 · 3.2 with third-party inspection |
When to Choose an Anchor Bolt
Anchor bolts are cast into or drilled into concrete foundations for columns and equipment.
- Cast-in or post-installed
- L, J and headed styles
- Made to drawing
More on choosing: Anchor bolt guide.
SS 321 Anchor Bolt: Why 321 for anchor bolts
Anchor bolts are cast into or drilled into concrete foundations for columns and equipment. In SS 321, the choice usually comes down to the medium and temperature — the rows here are the points buyers check for this exact combination.
| Why this grade | Stainless fasteners resist atmospheric and process corrosion. SS 321 is picked for high-temperature service between 425 and 815 °C. |
|---|---|
| Typical service | Aircraft exhaust — Manifolds, bellows and exhaust systems. |
| Bolting | ASTM A193 B8T studs with A194 8T nuts |
SS 321 Anchor Bolt Chemical Composition
| Element | Weight % |
|---|---|
| Chromium | 17.0 – 19.0 |
| Nickel | 9.0 – 12.0 |
| Titanium | 5 × (C + N) min, 0.70 max |
| Carbon | 0.08 max |
| Manganese | 2.00 max |
| Silicon | 0.75 max |
| Nitrogen | 0.10 max |
| Phosphorus | 0.045 max |
SS 321 Anchor Bolt Mechanical Properties
| Annealed plate & sheet | Value |
|---|---|
| Tensile strength | 515 MPa · 75 ksi |
| Yield strength 0.2% | 205 MPa · 30 ksi |
| Elongation | 40% |
| Hardness | 217 HB max |
Full chemistry, properties and equivalents are on the SS 321 grade page.
Other SS 321 fasteners
SS 321 Anchor Bolts for export
FOB / CIF · Nhava Sheva (JNPT), MumbaiSS 321 Anchor Bolt — questions buyers ask
What do I need to quote anchor bolts?
Diameter, length, bend or head style, thread length and quantity, plus the drawing.
What nut is used with SS 321 anchor bolts?
ASTM A194 8T heavy hex nuts.
Which standard covers SS 321 anchor bolts?
The material is ASTM A193 B8T; dimensions follow ASTM F1554 / project drawing. Always state both on your purchase order, with the edition if your project specifies one.
What decides the price of a SS 321 anchor bolt?
The alloy price, the size and dimensions, quantity, and the testing and documents required. Send your list and we quote the same working day.
What documents do you supply?
EN 10204 3.1 mill certificates as standard, 3.2 with third-party inspection on request, plus dimensional and PMI reports.
Sources: the ASTM / ASME specifications named on this page and producer datasheets · Last updated October 2026