Hastelloy C276 Seamless Pipe with Customizable Size for Automotive Manufacturing and Electric & Telecom Applications

Temperature Nickel Alloy Pipes Grade Hastelloy C276 for Temperature Corrosion Resistance

HASTELLOY C276 (UNS N10276) is a nickel-chromium-molybdenum superalloy with nominal composition:
✅ ≥14.5% Chromium (Cr) → Forms dense, self-healing passive films rich in Cr₂O₃ under oxidative conditions.
✅ ≥16% Molybdenum (Mo) → Stabilizes against pitting/crevice corrosion by enhancing resistance to halides (Cl⁻, F⁻) and reducing acids.
✅ ~3.7% Tungsten (W) → Adds thermal stability to the matrix at elevated temperatures, delaying phase decomposition.
✅ Trace Cobalt & Iron → Maintain structural integrity without compromising corrosion barrier efficacy.
Unique Synergy: These elements work synergistically to rebuild protective oxide layers even after mechanical damage or thermal cycling—critical for maintaining performance during service fluctuations.

Seamless construction via extrusion eliminates weld seams—the most vulnerable sites for initiation of high-temp corrosion fatigue. Benefits include:
✔️ Uniform grain structure throughout pipe length → Consistent expansion characteristics under thermal transients.
✔️ Absence of fretting wear between joint interfaces → Eliminates galvanic coupling risks in multi-metallic systems.
✔️ Superior surface finish (Ra ≤ 3.2μm achievable) → Minimizes nucleation sites for deposit buildup during cyclic heating cycles.