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UNS N10276/ C276

GENERAL SCOPE

  UNS N10276 / C276

  In the chemical processing sector, Alloy UNS N10276/ C-276 has earned a reputation as a reliable, high-performance material. Its ability to resist corrosion across a broad spectrum of aggressive chemicals also makes it a popular choice in oil and gas operations. For upstream applications—particularly in severe sour service wells with elevated concentrations of H₂S, CO₂, and chlorides—C-276 is commonly found in tubing, casing, and liner strings. Beyond these industries, the alloy proves equally valuable in other challenging environments, such as pharmaceutical and paper manufacturing. UNS N10276 also performs well in cryogenic valve applications, and has even been utilized in superconducting systems exposed to temperatures as low as -455°F (-271°C).

  ETANG can perform any type of machining on UNS N10276 pipe according to the specific requirements of your project, including deep hole drilling, honing, threading, and more.




UNS N10276/ C276

CHEMICAL COMPOSITION



CCrNiFeMnSiMoCoPSVW
Min.14.5.4.0..15....3.0
Max0.0216.5Bal7.01.00.08172.50.030.030.354.5




MECHANICAL PROPERTIES


GradeYield StrengthTensile StrengthElongation(%)Hardness(HRC)

             Min               Max


110110KSI (758Mpa)140KSI (965Mpa)≥115KSI (793Mpa)          11         ≤35
125125KSI (862Mpa)150KSI (1034Mpa)≥130KSI (896Mpa)          10         ≤37
140140KSI (965Mpa)160KSI (1103Mpa)≥145KSI (1000Mpa)           9         ≤38



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