HAYNES® R-41 alloy

HAYNES® R-41 alloy is a nickel-based alloy that offers excellent strength and oxidation resistance at elevated temperatures and can be annealed for greater ductility.

 

Chemical composition

Composition

USN N07041
%

Nickel Balance
Chromium 18.00 - 20.00
Cobalt 10.00 - 12.00
Iron 5.00 max
Molybdenum 9.00 - 10.50
Titanium 3.00 - 3.30
Aluminum 1.40 - 1.80
Silicon 0.50 max
Manganese 0.10 max
Carbon 0.12 max
Boron 0.0030 - 0.010
Sulfur 0.015 max

 

Physical properties

  Metric English
Density 8.25 g/cm³ 0.298 lbs/in³
Modulus of elasticity 213 GPa 30.9 Mpsi
Electrical Resistivity 127 µohm*cm 50.0 µohm*in
Thermal Conductivity 12.6 W/(m*°C) 88 BTU-in/(hr*ft²*°F)
Coefficient of thermal expansion 13.9 µm/(m*°C) 7.6 µin/(in*°F)

*Values calculated at 22 °C [72 °F]

 

Mechanical properties

Cold worked
%

Yield strength

Ultimate tensile strength

Elongation
%

0 703 MPa [102 ksi] 1138 MPa [165 ksi] 42
20 1103 Mpa [160 ksi] 1276 MPa [185 ksi] 10.5
37 1476 MPa [214 ksi] 1620 MPa [235 ksi] 3.5

50

1786 MPa [259 ksi] 2124 MPa [308 ksi] 2.3

* 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.

 

HAYNES® R-41 alloy

HAYNES® R-41 alloy is a nickel-based alloy that offers excellent strength and oxidation resistance at elevated temperatures and can be annealed for greater ductility.

 

Chemical composition

Composition

USN N07041
%

Nickel Balance
Chromium 18.00 - 20.00
Cobalt 10.00 - 12.00
Iron 5.00 max
Molybdenum 9.00 - 10.50
Titanium 3.00 - 3.30
Aluminum 1.40 - 1.80
Silicon 0.50 max
Manganese 0.10 max
Carbon 0.12 max
Boron 0.0030 - 0.010
Sulfur 0.015 max

 

Physical properties

  Metric English
Density 8.25 g/cm³ 0.298 lbs/in³
Modulus of elasticity 213 GPa 30.9 Mpsi
Electrical Resistivity 127 µohm*cm 50.0 µohm*in
Thermal Conductivity 12.6 W/(m*°C) 88 BTU-in/(hr*ft²*°F)
Coefficient of thermal expansion 13.9 µm/(m*°C) 7.6 µin/(in*°F)

*Values calculated at 22 °C [72 °F]

 

Mechanical properties

Cold worked
%

Yield strength

Ultimate tensile strength

Elongation
%

0 703 MPa [102 ksi] 1138 MPa [165 ksi] 42
20 1103 Mpa [160 ksi] 1276 MPa [185 ksi] 10.5
37 1476 MPa [214 ksi] 1620 MPa [235 ksi] 3.5

50

1786 MPa [259 ksi] 2124 MPa [308 ksi] 2.3

* 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.