C276 Hastelloy® Alloy Coil | Unrivaled Corrosion Resistance for Extreme Environments

✓ Acid & Chloride Dominance: Resists boiling 10% sulfuric acid and 15% hydrochloric acid – 2x lifespan vs. 316L.

✓ PREN ≥69: Validated by 25,000+ hours in ASTM G48 Method D seawater crevice corrosion testing.

✓ Thermal Stability: Maintains ductility from **-150°C to 400°C (-238°F to 752°F).

✓ Precision Forming: Cold-rolled to **±0.02mm thickness tolerance** for seamless fabrication into pipes, heat exchangers, and tanks.

C276 Hastelloy® Alloy Coil (UNS N10276)

Engineered to dominate the harshest chemical and high-temperature environments, C276 Hastelloy® alloy coil delivers exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking (SCC). With a nickel-molybdenum-chromium matrix (Ni-57%, Mo-16%, Cr-15.5%, W-4%), this superalloy outperforms conventional stainless steels and other nickel alloys in oxidizing and reducing acids. Certified to ASTM B575, ASME SB-575, and NACE MR0175, it is the gold standard for chemical processing, flue gas scrubbing, and marine engineering applications where reliability is non-negotiable.

Thickness: 0.5mm–12mm (cold-rolled) / 3mm–25mm (hot-rolled)
Width: 300mm–2,000mm (slitting tolerance ±0.5mm)
Surface Finishes: 2B, BA (Bright Annealed), Pickled & Passivated
Mechanical Properties: Yield Strength ≥315 MPa | Tensile Strength ≥690 MPa | Elongation ≥40%

Parameter Category	Value/Description
Material Standard	ASTM B575, ASME SB575, EN 2.4819
Chemical Composition (%)	Ni ≥52, Cr 14.5–16.5, Mo 15–17, Fe 4.0–7.0, W 3.0–4.5, Co ≤2.5, C ≤0.01, Mn ≤1.0, Si ≤0.08, S ≤0.03, P ≤0.04, V ≤0.35
Tensile Strength (MPa)	≥690 (Annealed)
Yield Strength (MPa)	≥283 (Annealed)
Elongation (%)	≥40 (in 50mm gauge length)
Hardness	Brinell (HBW): ≤210; Rockwell (HRB): ≤100 (Annealed)
Density (g/cm³)	8.89
Melting Range (°C)	1323–1371
Thermal Conductivity (W/m·K)	10.2 (at 20°C)
Thermal Expansion (10⁻⁶/°C)	11.5 (20–100°C)
Electrical Resistivity (Ω·m)	1.30 × 10⁻⁶ (at 20°C)
Elastic Modulus (GPa)	205
Magnetic Permeability	Non-magnetic
Corrosion Resistance	Excellent resistance to hydrochloric acid, sulfuric acid, chlorides, pitting, crevice corrosion, and stress corrosion cracking (SCC). Suitable for both oxidizing and reducing environments.
Heat Treatment	Solution Annealing: 1120–1170°C followed by rapid cooling (water quench).
Surface Finishes	Cold-rolled bright annealed (BA), Pickled & Passivated, Polished (Ra ≤0.6μm).
Coil Dimensions	– Thickness: 0.5mm–6.0mm – Width: 100mm–1500mm – Inner Diameter (ID): 300mm–610mm – Outer Diameter (OD): ≤2500mm.
Key Applications	Chemical processing equipment, flue gas desulfurization (FGD) systems, pharmaceutical piping, heat exchanger coils, seawater cooling systems.

C276 Hastelloy® Alloy Coil (UNS N10276) Applications

Industry	Critical Use Cases	C276 Coil Advantage
Chemical Processing	Sulfuric acid reactors, HCl evaporators	0.0008mm/year corrosion rate in 98% H₂SO₄ at 60°C.
Flue Gas Scrubbing	Wet scrubbers handling SOx/NOx/HF gases	Resists 10% HCl + 5% HF at 80°C (176°F).
Marine Engineering	Seawater-cooled heat exchangers, piping	Immune to MIC (Microbiologically Influenced Corrosion) in stagnant seawater.
Pharmaceutical	Reactor liners, CIP systems	Complies with FDA CFR 211.65 and EU GMP Annex 1 for sterile environments.

C276 Hastelloy® Alloy Coil (UNS N10276) Product Packaging

C276 Hastelloy® Alloy Coil (UNS N10276) (UNS N10276/N06022, ASTM B575 compliant) are engineered for extreme corrosion resistance in acid chloride, flue gas, and nuclear waste environments. To ensure flawless coil geometry and surface integrity during global transit, we deploy aerospace-inspired packaging systems and intelligent logistics protocols tailored for high-sensitivity rolled products.

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