Adinox Overseas is a leading Hastelloy C276 Pipes & Spools manufacturer, delivering premium nickel-molybdenum-chromium alloy products designed for extreme corrosion resistance. These pipes and spools are widely used in industries where exposure to aggressive chemicals, high temperatures, and severe pressure conditions is common. Our manufacturing process follows strict international quality standards to ensure superior mechanical strength, dimensional accuracy, and long service life.
As a globally recognized Hastelloy C276 Pipes & Spools exporter, Adinox Overseas supplies high-performance piping solutions to clients across oil & gas, petrochemical, fertilizer, power generation, and chemical processing industries. The alloy’s excellent resistance to pitting, crevice corrosion, and stress corrosion cracking makes it ideal for handling strong acids, chlorides, and oxidizing environments, even under fluctuating operating conditions.
Being one of the most reliable Hastelloy C276 Pipes & Spools suppliers, we offer customized spools fabricated as per client drawings, specifications, and project requirements. Our pipes and spools are available in seamless, welded, and fabricated forms with precise tolerances, ensuring easy installation and reduced downtime. Each product undergoes stringent inspection, testing, and traceability checks to meet global compliance standards.
Adinox Overseas is also counted among reputed Hastelloy C276 Pipes & Spools stockists, maintaining ready inventory in multiple sizes, schedules, and lengths. This allows us to support urgent project requirements and bulk orders without compromising delivery timelines. Our stocked materials are sourced from certified mills and are supplied with complete documentation, including test certificates and inspection reports.
| Material Grade | Hastelloy C276 (Alloy C-276 / UNS N10276 / WNR 2.4819) |
|---|---|
| Product | Pipe Spools (fabricated from seamless or welded Hastelloy C276 pipes, fittings & flanges) |
| Material Description | Ni‑Mo‑Cr‑W corrosion‑resistant alloy with exceptional resistance to pitting, crevice corrosion, and stress‑corrosion cracking in strong oxidizing and reducing environments |
| Applicable Standards (typical) |
ASTM B622 (Seamless Pipe & Tube, N10276), ASTM B619 (Welded Pipe, N10276), ASTM B626 (Welded, Annealed Pipe & Tube, N10276), ASTM B366 (Butt‑weld Fittings, WPNC276), ASTM B564 (Forged Fittings & Flanges, N10276), 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 filler (e.g. ERNiCrMo‑4 or equivalent) as per spec |
| Heat Treatment | Solution annealed (typically ≥1120 °C / 2050 °F) and rapidly cooled (water quench or rapid air cool) as per ASTM |
| NDT & Inspection (typical) | Visual, dimensional, hydrotest, radiography / DPI / PMI 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 | Mo | Fe | W | Co | V | Ni |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Content (% by weight) | ≤ 0.010 | ≤ 1.00 | ≤ 0.08 | ≤ 0.04 | ≤ 0.03 | 14.5 – 16.5 | 15.0 – 17.0 | 4.0 – 7.0 | 3.0 – 4.5 | ≤ 2.50 | ≤ 0.35 | Balance |
| Property | Value (Metric) | Value (Imperial) | Remarks |
|---|---|---|---|
| Tensile Strength, min. | 690 MPa | 100 ksi | Longitudinal, at room temperature |
| Yield Strength, 0.2% offset, min. | 283 MPa | 41 ksi | Longitudinal, at room temperature |
| Elongation in 50 mm (2 in.), min. | 40 % | 40 % | Gauge length 50 mm (2 in.), longitudinal |
| Modulus of Elasticity (approx.) | 205 GPa | 29.7 × 106 psi | At 20 °C |
| Density (approx.) | 8.89 g/cm³ | 0.321 lb/in³ | Nickel‑molybdenum‑chromium alloy |
| Hardness (typical, solution‑annealed) | ≈ 240 HB | ≈ 90–95 HRB | Typical range; check actual Mill Test Certificate (MTC) |
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