Duplex Steel S32205 Seamless & Welded Pipes Spools offered by Adinox Overseas are engineered to deliver outstanding mechanical strength and corrosion resistance for demanding industrial environments. As a reliable manufacturer of Duplex Steel S32205 Seamless & Welded Pipes Spools, we ensure every spool is fabricated using high-grade raw material and advanced manufacturing techniques to meet international quality standards. These spools are widely used in oil & gas, petrochemical, and marine applications where performance and durability are critical.
Being a reputed exporter of Duplex Steel S32205 Seamless & Welded Pipes Spools, Adinox Overseas supplies products that offer excellent resistance to stress corrosion cracking, pitting, and crevice corrosion. Our pipes spools are manufactured with precise dimensional accuracy, ensuring easy installation and long service life. With strict quality checks at every stage, we deliver products that meet ASTM, ASME, and client-specific requirements across global markets.
As one of the trusted suppliers of Duplex Steel S32205 Seamless & Welded Pipes Spools, we cater to customized fabrication needs based on drawings, specifications, and project requirements. These spools provide superior weldability and high pressure-handling capability, making them ideal for chemical processing plants, heat exchangers, and offshore platforms. Our experienced team ensures timely production without compromising on quality.
Adinox Overseas is also recognized among leading stockists of Duplex Steel S32205 Seamless & Welded Pipes Spools, maintaining ready inventory to support urgent and bulk requirements. Our stocked spools are available in various sizes, wall thicknesses, and configurations, helping clients reduce lead time and project delays. Every product is supplied with complete test certificates and traceability documentation.
| Material Grade | Duplex Stainless Steel S32205 (UNS S32205 / S31803 / Duplex 2205 / WNR 1.4462) |
|---|---|
| Product | Pipe spools fabricated from seamless or welded Duplex S32205 pipes, fittings & flanges |
| Material Description | 22% Cr duplex (austenitic–ferritic) stainless steel with high strength and excellent resistance to pitting, crevice and stress‑corrosion cracking in chloride‑bearing environments |
| Applicable Standards (typical) |
ASTM A790 / A790M (Seamless & Welded Duplex SS Pipe, UNS S32205 / S31803), ASTM A928 (EFW Duplex SS Pipe), ASTM A815 (Butt‑weld Fittings, UNS S32205 / S31803), ASTM A182 (Forged Fittings & Flanges, F60 / F51), ASME B36.19 / B36.10 (Pipe sizes & schedules), ASME B16.9 / B16.11 / B16.5 (Fittings & Flanges) |
| Size Range (NPS) | ½" – 24" (larger sizes on request / project basis) |
| Schedules | Sch 5S, 10S, 20, 40 / 40S, 80 / 80S, 160, XXS (as per design) |
| Pipe Type | Seamless / Welded (ERW / EFW) as specified |
| End Connections | Plain End (PE), Beveled End (BE), Threaded (NPT/BSP), Flanged, as per spool design |
| Fabrication | Cutting, fit‑up, welding, beveling, pickling/passivation, hydrotest as required by project specification |
| Welding | GTAW (TIG) / GMAW (MIG) / SMAW with qualified WPS/PQR & certified welders; matching duplex filler (e.g. ER2209 / E2209) as per spec |
| Heat Treatment | Base material solution annealed (typically 1040–1120 °C) and water quenched; PWHT generally not applied to preserve duplex structure |
| NDT & Inspection (typical) | Visual, dimensional, hydrotest, radiography / DPI / PMI, ferrite testing as per client and code requirements |
| Corrosion Protection | Pickled & passivated, plastic end caps, suitable wrapping & packaging for shipment |
| Element | C | Mn | Si | P | S | Cr | Ni | Mo | N | Fe |
|---|---|---|---|---|---|---|---|---|---|---|
| Content (% by weight) | ≤ 0.030 | ≤ 2.00 | ≤ 1.00 | ≤ 0.030 | ≤ 0.020 | 22.0 – 23.0 | 4.5 – 6.5 | 3.0 – 3.5 | 0.14 – 0.20 | Balance |
| Property | Value (Metric) | Value (Imperial) | Remarks |
|---|---|---|---|
| Tensile Strength, min. | 620 MPa | 90 ksi | Longitudinal, at room temperature |
| Yield Strength, 0.2% offset, min. | 450 MPa | 65 ksi | Longitudinal, at room temperature |
| Elongation in 50 mm (2 in.), min. | 25 % | 25 % | Gauge length 50 mm (2 in.), longitudinal |
| Modulus of Elasticity (approx.) | 200 GPa | 29 × 106 psi | At 20 °C |
| Density (approx.) | 7.8 g/cm³ | 0.281 lb/in³ | Duplex stainless steel |
| Hardness (max, solution‑annealed) | ≤ 290 HB | ≈ 31 HRC | Maximum hardness per typical duplex specifications |
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