Inconel 603XL

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Inconel 603XL

INCONEL® alloy 603XL (patent applied for) is a Ni Cralloy with the addition of silicon, molybdenum and rare earth elements. The outstanding characteristics of INCONEL alloy 603XL are its resistance to high temperature oxidation and nitridation. The alloy has high mechanical strength and is readily formed, machined and welded.

%Chemical Composition

Si Mn C Al Ti Mo Cr Ni
(max) 2 (max) 0.3 (max) 0.3 (max) 0.5 (max) 0.5 (max) 4 23 – 15 Balance

Density & Melting Range

Melting Range (Celsius) Density
1400 – 1380 (g/cm) 8.54

Mechanical Properties

Shear Modulus (GPa) Elastic Modulus (GPa) Poisson’s Ratio
81.9 218.6 0.33


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