INCONEL® alloy X-750

INCONEL® alloy X-750 is a nickel-chromium alloy that is precipitation hardenable and possesses high strength and corrosion resistance at elevated temperatures.

 

Chemical composition

Composition ASTM B637
UNS N07750
%
Carbon 0.08 max
Manganese 1.00 max
Sulfur 0.01 max
Silicon 0.50 max
Chromium 14.00 - 17.00
Niobium + Tantalum 0.70 - 1.20
Titanium 2.25 - 2.75
Aluminum 0.40 - 1.00
Iron 5.00 - 9.00
Cobalt 1.00 max
Copper 0.50 max
Nickel 70.00 min

 

Physical properties

  Metric English
Density 8.28 g/cm³ 0.299 lbs/in³
Modulus of Elasticity 214 GPa 31.0 Mpsi
Electrical Resistivity 1.22 µohm*m 734 µohm*ft
Thermal Conductivity 12.0 W/(m*°C) 83 BTU*in/(hr*ft²*°F)
Coefficient of thermal expansion 12.6 µm/m*°C) 7.0 µin/(in*°F)

*Values calculated at 22 °C [72 °F]

 

Mechanical properties

Cold worked
%

Yield strength

Ultimate tensile strength

Elongation
%

0 393 MPa [57 ksi] 855 MPa [124 ksi] 38
20 665 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

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

 

INCONEL® alloy X-750

INCONEL® alloy X-750 is a nickel-chromium alloy that is precipitation hardenable and possesses high strength and corrosion resistance at elevated temperatures.

 

Chemical composition

Composition ASTM B637
UNS N07750
%
Carbon 0.08 max
Manganese 1.00 max
Sulfur 0.01 max
Silicon 0.50 max
Chromium 14.00 - 17.00
Niobium + Tantalum 0.70 - 1.20
Titanium 2.25 - 2.75
Aluminum 0.40 - 1.00
Iron 5.00 - 9.00
Cobalt 1.00 max
Copper 0.50 max
Nickel 70.00 min

 

Physical properties

  Metric English
Density 8.28 g/cm³ 0.299 lbs/in³
Modulus of Elasticity 214 GPa 31.0 Mpsi
Electrical Resistivity 1.22 µohm*m 734 µohm*ft
Thermal Conductivity 12.0 W/(m*°C) 83 BTU*in/(hr*ft²*°F)
Coefficient of thermal expansion 12.6 µm/m*°C) 7.0 µin/(in*°F)

*Values calculated at 22 °C [72 °F]

 

Mechanical properties

Cold worked
%

Yield strength

Ultimate tensile strength

Elongation
%

0 393 MPa [57 ksi] 855 MPa [124 ksi] 38
20 665 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

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