SS 904L Threaded RodASTM A479 · DIN 975 · Manufacturer, stockist & exporter, India
Alloy 904L · UNS N08904
An SS 904L threaded rod is a continuously threaded bar cut to length, made from SS 904L to ASTM A479. Threaded rod is cut to make studs and hangers. Available in full lengths or cut pieces.
- ASTM A479
- 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 904L Threaded Rod?
- What it is
- A continuously threaded bar cut to length
- Material
- ASTM A479
- Dimensions
- DIN 975 · ASTM A193 / F593
- Grade
- SS 904L · UNS N08904
- Best at
- Dilute sulphuric acid, phosphoric acid and chloride-bearing cooling water
SS 904L Threaded Rod Specification
| Product | SS 904L Threaded Rod |
|---|---|
| Material standard | ASTM A479 |
| 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
More on choosing: Threaded rod guide.
SS 904L Threaded Rod: Why 904L for threaded rods
Threaded rod is cut to make studs and hangers. Available in full lengths or cut pieces. In SS 904L, 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 904L is picked for dilute sulphuric acid, phosphoric acid and chloride-bearing cooling water. |
|---|---|
| Typical service | Sulphuric acid plants — Coolers, piping and tanks for dilute sulphuric acid. |
| Bolting | as the project specifies |
SS 904L Threaded Rod Chemical Composition
| Element | Weight % |
|---|---|
| Nickel | 23.0 – 28.0 |
| Chromium | 19.0 – 23.0 |
| Molybdenum | 4.0 – 5.0 |
| Copper | 1.0 – 2.0 |
| Carbon | 0.020 max |
| Manganese | 2.00 max |
| Silicon | 1.00 max |
| Nitrogen | 0.10 max |
SS 904L Threaded Rod Mechanical Properties
| Annealed plate & sheet | Value |
|---|---|
| Tensile strength | 490 MPa · 71 ksi |
| Yield strength 0.2% | 220 MPa · 31 ksi |
| Elongation | 35% |
| Hardness | 90 HRB max |
Full chemistry, properties and equivalents are on the SS 904L grade page.
Other SS 904L fasteners
SS 904L Threaded Rods for export
FOB / CIF · Nhava Sheva (JNPT), MumbaiSS 904L 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.
What nut is used with SS 904L threaded rods?
A nut in the same alloy, machined from ASTM A479 bar, unless the project specifies otherwise.
Which standard covers SS 904L threaded rods?
The material is ASTM A479; 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 904L 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