SS 321 Threaded RodASTM A193 · DIN 975 · Manufacturer, stockist & exporter, India
AISI 321 · UNS S32100
An SS 321 threaded rod is a continuously threaded bar cut to length, made from SS 321 to ASTM A193 B8T. Threaded rod is cut to make studs and hangers. Available in full lengths or cut pieces.
- ASTM A193
- DIN 975
- 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 Threaded Rod?
- What it is
- A continuously threaded bar cut to length
- Material
- ASTM A193 B8T
- Dimensions
- DIN 975 · ASTM A193 / F593
- Grade
- SS 321 · UNS S32100
- Best at
- High-temperature service between 425 and 815 °C
SS 321 Threaded Rod Specification
| Product | SS 321 Threaded Rod |
|---|---|
| Material standard | ASTM A193 B8T |
| Dimensional standard | DIN 975 · ASTM A193 / F593 |
| 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 a Threaded Rod
Threaded rod is cut to make studs and hangers. Available in full lengths or cut pieces.
- 1 m and 3 m lengths
- Cut to size
- UNC, UN-8 and metric
SS 321 Threaded Rod 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 Threaded Rod 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 Threaded Rods for export
FOB / CIF · Nhava Sheva (JNPT), MumbaiSS 321 Threaded Rod — questions buyers ask
Is threaded rod the same as a stud bolt?
Stud bolts are cut from threaded rod or threaded to length and supplied with nuts, to flange-bolting dimensions.
Which standard covers SS 321 threaded rods?
The material is ASTM A193 B8T; dimensions follow DIN 975 · ASTM A193 / F593. Always state both on your purchase order, with the edition if your project specifies one.
What decides the price of a SS 321 threaded rod?
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