At Ananka Fasteners Pvt Ltd, we engineer, manufacture, and supply premium Ferralium 255 (S32550) (UNS S32550) Threaded Rod / Stud built for demanding service. Copper-bearing super duplex combining high strength with excellent resistance to sulphuric acid and seawater. This technical datasheet covers the precise dimensional tolerances per DIN 976 and the material requirements dictated by ASTM A1082 UNS S32550 and ASTM A276 / A479.
A Ferralium 255 Threaded Rod is continuously threaded along its length and is used where cut-to-length studs, anchor rods or all-thread hanger rods are required. The tables below provide the principal dimensions, equivalent material grades, chemical composition and mechanical properties covered by the technical data for this product.
Our threaded rods / studs are manufactured in standard and custom configurations, ensuring a precise fit for demanding structural, piping, and chemical-process applications.
| Product Name | Ferralium 255 (S32550) Threaded Rod / Stud | Material Category | Super Duplex Stainless Steel |
| Material Grade | Ferralium 255 (S32550) (UNS S32550) | Fastener Spec | ASTM A1082 UNS S32550 |
| Dimension Spec | DIN 976 | Material Spec | ASTM A276 / A479 |
| Thread Standard | ISO 261 / ISO 965 (Metric Coarse) | Thread Tolerance | 6g / 4g6g |
The DIN 976 specification governs the physical geometry of this product. The tolerances below ensure a secure, reliable mate under service loads. DIN 976 covers fully threaded metric rod / studs, supplied in 1 metre lengths and cut to size.
| Nominal Thread (d) | Pitch (mm) | Pitch Diameter (mm) | Tensile Stress Area (mm2) | Standard Length (mm) |
|---|---|---|---|---|
| M6 | 1.0 | 5.350 | 20.1 | 1000 |
| M8 | 1.25 | 7.188 | 36.6 | 1000 |
| M10 | 1.5 | 9.026 | 58.0 | 1000 |
| M12 | 1.75 | 10.863 | 84.3 | 1000 |
| M16 | 2.0 | 14.701 | 157.0 | 1000 |
| M20 | 2.5 | 18.376 | 245.0 | 1000 |
| M24 | 3.0 | 22.051 | 353.0 | 1000 |
Continuous threading allows the rod to be cut to length on site or supplied pre-cut to a specified length. Buyers should confirm the required nominal diameter, thread series and length against the purchase drawing or applicable standard before ordering.
The UNS S32550 Threaded Rod / Stud is manufactured from Ferralium 255, a super duplex stainless steel. The equivalent designations below assist with cross-referencing this material against European, British and other national standards.
| US / UNS | Werkstoff Nr. (DIN) | European (EN) | British Standard (BS) | Other / AFNOR |
|---|---|---|---|---|
| S32550 | 1.4507 | X2CrNiMoCuN25-6-3 | – | – |
This section details the chemical composition limits and minimum mechanical properties governing Ferralium 255 (S32550) (UNS S32550) fasteners, as dictated by ASTM A1082 UNS S32550 (chemistry & mechanicals) and the raw bar/rod standard ASTM A276 / A479.
| Element | Composition, % |
|---|---|
| Chromium | 24.0–27.0 |
| Nickel | 4.5–6.5 |
| Molybdenum | 2.9–3.9 |
| Copper | 1.5–2.5 |
| Nitrogen | 0.10–0.25 |
| Manganese, max | 1.5 |
| Carbon, max | 0.04 |
| Iron | Balance |
| Condition / Temper | Tensile Strength min, psi (MPa) | Yield Strength min, psi (MPa) | Elongation min, % | Hardness |
|---|---|---|---|---|
| Solution-annealed & aged bar | 110 000 (760) | 80 000 (550) | 15 | – |
Our Ferralium 255 (S32550) threaded rods / studs are specified across the following industries and service conditions, drawing on the material’s core strengths:
Welding and heat-treatment procedures should be fully qualified, and service conditions reviewed against the certified pitting-resistance data, before use in critical applications.
Every batch of Threaded Rods / Studs produced undergoes rigorous internal and third-party testing to ensure zero-defect delivery. We supply complete traceability with our global shipments.
For technical documentation and quotations, buyers can also review the Ananka Fasteners manufacturing and supply range or contact the team through the fastener enquiry and technical support page.
This datasheet references DIN 976 for dimensional requirements and ASTM A1082 UNS S32550 for material and fastener requirements. The applicable standard edition and purchase requirements should be confirmed for every project.
For DIN standards information, see the DIN standards catalogue. For ASTM International material and fastener specifications, see the ASTM International standards catalogue. These external references are provided for standards identification; the purchaser should verify the current edition applicable to the order.
A Ferralium 255 Threaded Rod / Stud is a continuously threaded rod manufactured from Ferralium 255 (UNS S32550). The product combines the DIN 976 dimensional geometry with the ASTM A1082 UNS S32550 material and fastener requirements.
The dimensional information in this datasheet is based on DIN 976, which governs the physical geometry of this product. The table above provides the principal dimensions listed for the Ferralium 255 product range.
Ferralium 255 is identified as UNS S32550. The equivalent designations listed in this datasheet include Werkstoff Nr. 1.4507, EN X2CrNiMoCuN25-6-3, British Standard –, –.
Ferralium 255 is a super duplex stainless steel known for very high pitting and crevice-corrosion resistance in aggressive chloride environments. Welding and heat-treatment procedures should be fully qualified, and service conditions reviewed against the certified pitting-resistance data, before use in critical applications.
The product information supports standard and custom configurations. For a quotation, provide the required material grade, nominal size, dimensional requirement, quantity, standard and any inspection or certificate requirements.
Need a Ferralium 255 Threaded Rod / Stud for an industrial project? Send the required size, quantity, standard and certification requirements to Ananka Fasteners. Our team can review the requirement and provide technical and commercial information for standard or custom configurations.
Recommended RFQ details: Ferralium 255 / UNS S32550, nominal size, DIN 976 requirement, quantity, inspection requirements and EN 10204 certificate requirements where applicable.
