Super Duplex S32760 Seamless & Welded Pipes Spools are engineered for extreme pressure and corrosive environments where performance and reliability are critical. As a trusted Super Duplex S32760 Seamless & Welded Pipes Spools manufacturer, Adinox Overseas produces spools with superior mechanical strength, excellent pitting resistance, and long service life, making them ideal for demanding offshore and industrial applications.
At Adinox Overseas, our Super Duplex S32760 Seamless & Welded Pipes Spools suppliers ensure that every spool is fabricated using premium raw materials and advanced welding techniques. These spools offer exceptional resistance to chloride stress corrosion cracking, erosion, and fatigue, ensuring consistent performance in chemical processing, oil & gas, and marine systems.
Being a reputed Super Duplex S32760 Seamless & Welded Pipes Spools exporter, Adinox Overseas supplies precision-engineered spools to global markets. Our products comply with international standards and undergo strict quality inspections, dimensional checks, and non-destructive testing to guarantee safety, durability, and flawless integration into complex piping networks.
Our role as reliable Super Duplex S32760 Seamless & Welded Pipes Spools stockists allows us to maintain a wide inventory of sizes, schedules, and custom configurations. This ensures fast delivery and flexibility for urgent project requirements, reducing downtime and supporting smooth execution across industries such as desalination plants and power generation.
| Material Grade | Super Duplex Stainless Steel S32760 (UNS S32760 / WNR 1.4501 / ASTM A182 F55 – typical) |
|---|---|
| Product | Pipe spools fabricated from seamless or welded Super Duplex S32760 pipes, fittings & flanges |
| Material Description | 25% Cr super duplex (austenitic–ferritic) stainless steel with very high strength and excellent resistance to pitting, crevice and stress‑corrosion cracking in chloride‑bearing and aggressive environments (PREN > 40) |
| Applicable Standards (typical) |
ASTM A790 / A790M (Seamless & Welded Duplex/Super Duplex SS Pipe, UNS S32760), ASTM A928 (EFW Duplex/Super Duplex SS Pipe), ASTM A815 (Butt‑weld Fittings, WPS 32760), ASTM A182 (Forged Fittings & Flanges, F55), 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 / over‑alloyed super duplex filler (e.g. ER2594 or equivalent) as per spec |
| Heat Treatment | Base material solution annealed (typically ~1120 °C) and water quenched; PWHT generally not applied to preserve duplex structure and corrosion resistance |
| NDT & Inspection (typical) | Visual, dimensional, hydrotest, radiography / DPI / PMI, ferrite testing (austenite/ferrite balance) as per code and client requirements |
| Corrosion Protection | Pickled & passivated, plastic end caps, suitable wrapping & packaging for shipment |
| Element | C | Mn | Si | P | S | Cr | Ni | Mo | Cu | W | N | Fe |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Content (% by weight) | ≤ 0.030 | ≤ 1.00 | ≤ 1.00 | ≤ 0.030 | ≤ 0.010 | 24.0 – 26.0 | 6.0 – 8.0 | 3.0 – 4.0 | 0.5 – 1.0 | 0.5 – 1.0 | 0.20 – 0.30 | Balance |
| Property | Value (Metric) | Value (Imperial) | Remarks |
|---|---|---|---|
| Tensile Strength, min. | 750 MPa | 109 ksi | Longitudinal, solution‑annealed, at room temperature |
| Yield Strength, 0.2% offset, min. | 550 MPa | 80 ksi | Longitudinal, solution‑annealed, 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 | Super duplex stainless steel |
| Hardness (max, solution‑annealed) | ≤ 310 HB | ≈ 32 HRC | Maximum hardness per typical super duplex specifications |
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