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Nickel alloy tubes

Alloy C276 • UNS N10276 • WNR 2.4819


C276 is a nickel-molybdenum-chromium superalloy with an addition of tungsten designed to have excellent corrosion resistance in a wide range of severe environments. The high chromium, molybdenum and tungsten contents make the alloy especially resistant to pitting and crevice corrosion in reducing environments while chromium conveys resistance to oxidizing media. The low carbon content minimizes carbide precipitation during welding to maintain corrosion resistance in as-welded structures. This nickel alloy is resistant to the formation of grain boundary precipitates in the weld heat-affected zone, thus making it suitable for most chemical process application in an as welded condition. Alloy C276 is widely used in the most severe environments such as mixed acid chemical processing, pollution control, pulp and paper production, industrial and municipal waste treatment, and recovery of sour oil and gas. Available tube product forms Straight Coiled Seamless Seam welded, cold redrawn...

Product features

Tensile Rm 690 MPa (min)
R.p. 0.2% Yield 41 ksi (min)
R.p. 0.2% Yield 290 MPa (min)
Elongation (2" or 4D gl) 40 % (min)
Thermal Conductivity 9.4 W.m -1.°K-1
Thermal Expansion 11.2 mm/m/°C
Modulus Elasticity 221 GPa
Electrical Resistivity 1.30 μohm/cm
Density 8.89 g/cm3

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