Hastelloy C276 Seamless & Welded Pipes Spools manufacturer Adinox Overseas offers precision-engineered piping solutions designed for extreme corrosive and high-temperature environments. These pipe spools are manufactured using premium-quality Hastelloy C276 alloy, known for its exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. Our seamless and welded pipe spools ensure long service life, reduced maintenance, and consistent performance in critical industrial operations.
As a reputed Hastelloy C276 Seamless & Welded Pipes Spools exporter, Adinox Overseas supplies customized pipe spool assemblies that meet international standards such as ASTM, ASME, and EN. These spools are widely used in chemical processing, oil & gas, power generation, and marine industries due to their excellent fabrication properties and superior weldability. Each spool is carefully tested to ensure dimensional accuracy and leak-proof performance.
Being one of the reliable Hastelloy C276 Seamless & Welded Pipes Spools suppliers, we provide products that can withstand highly aggressive chemicals, including chlorides, sulfuric acid, and hydrochloric acid. Our seamless and welded pipe spools are fabricated using advanced manufacturing techniques, ensuring smooth internal surfaces, uniform wall thickness, and excellent mechanical strength even under extreme pressure conditions.
Adinox Overseas is also recognized among leading Hastelloy C276 Seamless & Welded Pipes Spools stockists, maintaining ready inventory in various sizes, schedules, and configurations. This allows us to support urgent project requirements and bulk orders efficiently. Our stock is sourced and processed under strict quality control measures to guarantee consistency and reliability in every shipment.
| 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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