Hastelloy C276 (UNS N10276) Seamless Process Pipes
57% Nickel, 16% Molybdenum, 16% Chromium, and 4% Tungsten superalloy engineered for the most severe chemical processing applications.
ASTM B622 / ASME SB622 UNS N10276 (Alloy C276) Pipe
Starlight Tubes is a specialized manufacturer and supplier of Hastelloy C276 (UNS N10276 / DIN 2.4819) seamless and welded process pipes. Recognized globally as the benchmark corrosion-resistant alloy, C276 offers exceptional immunity to localized pitting, crevice corrosion, and stress corrosion cracking across broad chemical spectrums.
Our Hastelloy C276 pipes are cold drawn, solution annealed at 1150°C, and 100% tested with hydrostatic, ultrasonic, and PMI inspection. They are widely used in chemical reactors, flue gas desulfurization (FGD) scrubbers, pharmaceutical synthesis vessels, waste incineration, and sour gas handling.
Technical Specifications
ASTM / ASME CompliantTechnical Specifications — Hastelloy C276 (UNS N10276)
Certified chemical limits and mechanical tensile properties for ASTM B622 UNS N10276
| Grade | Ni | Cr | Mo | W | Fe | Co (max) | C (max) | V (max) |
|---|---|---|---|---|---|---|---|---|
| C276 | Balance (57%) | 14.5-16.5 | 15.0-17.0 | 3.0-4.5 | 4.0-7.0 | 2.50 | 0.010 | 0.35 |
Explore Complementary Grades & Fittings
Discover matching tubular components, high-pressure fittings, and companion alloys for your piping project
Incoloy 825 (UNS N08825) Pipes
Nickel-iron-chromium-moly-copper alloy pipes engineered for sulfuric acid, phosphoric acid, and sour gas wells
Alloy 20 (Carpenter 20) Pipes
35Ni-20Cr-Cu-Nb austenitic pipes engineered for boiling sulfuric acid and chemical synthesis
Hastelloy C276 Seamless Tubing
Precision cold-drawn tubes for aggressive acid heat exchangers, condensers, and instrumentation lines

Nickel Pipes
High purity nickel pipes for corrosive environments
Direct Mill Supply for Hastelloy C276 Pipes
Starlight Tubes delivers certified ASTM B622 UNS N10276 pipes with complete mill certification, chemical PMI testing, and global express shipping.
Frequently Asked Questions on Hastelloy C276 (UNS N10276) Pipes
Key engineering, tolerance, and international compliance answers from our metallurgical quality desk.
The balanced combination of high nickel (57%), molybdenum (16%), chromium (16%), and tungsten (4%) provides universal resistance to both oxidizing and reducing media, pitting, and stress corrosion cracking.
Request Project Quotation for Hastelloy C276 (UNS N10276) Pipes
Submit your required sizes, wall thicknesses, material grades, and total tonnage. Our technical sales engineers respond with complete mill pricing and lead times within 24 hours.
