Materials
for demanding applications

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.

 

Chemical composition
Composition UNS N07750 %
Carbon 0.08 max
Manganese 0.35 max
Sulfur 0.01 max
Silicon 0.35 max
Chromium 14.0 - 17.0
Niobium 0.70 - 1.20
Titanium 2.25 - 2.75
Aluminum 0.40 - 1.00
Iron 5.00 - 9.00
Cobalt 1 max
Tantalum 0.05 max
Copper 0.50 max
Nickel + Cobalt 70.00 min

 

Physical properties
  Metric English
Density 8.28 g/cm³ 0.299 lbs/in³
Modulus of rlasticity 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

 

Mechanical properties
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.