Matériaux
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Inconel® Alloy X750

Inconel® Alloy X750 is a nickel-chromium alloy that is precipitation hardenable and possesses high strength and corrosion resistance at elevated temperatures.

 

Composition chimique
Composition UNS N07750 %
Carbone 0,08 maxi
Manganèse 0.35 max
Soufre 0,01 maxi
Silicium 0.35 max
Chrome 14.0 - 17.0
Niobium 0.70 - 1.20
Titane 2.25 - 2.75
Aluminium 0.40 - 1.00
Fer 5.00 - 9.00
Cobalt 1 max
Tantale 0,05 maxi
Cuivre 0,50 maxi
Nickel + Cobalt 70.00 min

 

Propriétés physiques
  Métrique Anglais
Densité 8.28 g/cm³ 0.299 lbs/in³
Modulus of elasticity 214 GPa 31 MPsi
Electrical resistivity 1.22 µohms/m 734 µohms/ft
Thermal conductivity 12.0 W/m-K 83 Btu-in/ft²hr-°F

 

Propriétés mécaniques
Cold worked % Yield strength Ultimate tensile strength Elongation %
0 393 MPa [57 ksi] 855 MPa [124 ksi] 38
20 655 MPa [95 ksi] 1007 MPa [146 ksi] 19.3
50 1193 MPa [173 ksi] 1303 MPa [189 ksi] 2.3
60 1289 MPa [187 ksi] 1462 MPa [212 ksi] 1.8
68 1310 MPa [190 ksi] 1538 MPa [223 ksi] 1.8
75 1310 MPa [190 ksi] 1586 MPa [230 ksi] 1.9

All data represent results from a 25.4 cm [10 in] test gauge length. Values are typical and may not represent all diameters. Test method will affect results.