Alloy C276 pipe (UNS N10276)

We supply Alloy C276 pipes for the most severe industrial environments. This nickel-molybdenum-chromium-tungsten grade delivers unmatched performance in aggressive chemical processing and mixed-media systems. Available directly from stock or engineered into complete piping packages to meet your exact specifications.

High-quality Alloy C276 pipes

Suited for severe chemical process service

Broad corrosion resistance

Unmatched in diverse corrosive media

Mixed-environment performance

Excels in oxidizing and reducing conditions

Localized corrosion resistance

Eliminates pitting and crevice attack

Welded service suitability

Low carbon ensures good weldability

Process industry grade

Trusted in severe chemical systems

Alloy C276 pipes in stock

Responsive Specificatie Tabel
Standard Material Size range Schedules
ASTM/ASME (S)B 622 UNS N10276 ½”–6” Schedule 10S to Schedule 80S

Need a high-performance pipe for severe chemical environments? We supply Alloy C276 seamless pipe directly from stock, with flexible delivery options for larger projects. All materials come with the full certification needed to meet the strict demands of the process industry.

C276 pipe manufacturer: Special Metals Wiggin (SMW)

Certified supply & additional information

  • EN 10204 / 3.1 certified
  • Dual certified in accordance with ASTM / ASME
  • Material in compliance to International specification
  • Random lengths or cut-to-length
  • Stock delivery times

Upon request

  • Bevelling
  • Additional testing
  • Third-party inspection

Chemical composition

The chemistry of Alloy C276 (UNS N10276) is specifically engineered to withstand highly aggressive environments. The addition of tungsten to the nickel-molybdenum-chromium base ensures exceptional resistance across a broad range of severe chemical processes.

The limits below serve as a quick reference. Final material compliance is always verified by the EN 10204 3.1 Mill Test Certificate and your order specifications.

Element Limit (%)
Nickel (Ni)Balance
Chromium (Cr)14.5 – 16.5
Molybdenum (Mo)15.0 – 17.0
Iron (Fe)4.0 – 7.0
Tungsten (W)3.0 – 4.5
Cobalt (Co)2.5 max.
Manganese (Mn)1.0 max.
Vanadium (V)0.35 max.
Silicon (Si)0.08 max.
Carbon (C)0.01 max.
Phosphorus (P)0.04 max.
Sulfur (S)0.03 max.

Typical physical and mechanical properties of Alloy C276

The values below give a general indication of the typical physical and mechanical properties associated with Alloy C276. These figures should be used as typical material data only, since actual values may vary depending on product form, dimensions and supply condition.
Property Unit Typical value
Density lb/in³ 0.321
Melting range °F 2410 – 2460
Modulus of elasticity 10³ ksi 29.8
Shear modulus 10³ ksi 11.2
Poisson’s ratio - 0.307
Thermal conductivity at 70°F Btu-in/h-ft²-°F 71
Specific heat at 70°F Btu/lb-°F 0.102
Electrical resistivity at 70°F µohm-m 1.22
Tensile strength ksi 100 min.
Yield strength (0.2% offset) ksi 41 min.
Elongation % 40

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sales@maass-special-alloys.com

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+31 (0)30 8200 370