Materials
for demanding applications

Haynes® R-41

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 UNS N07041 %
Nickel 52 balance
Chromium 19.00
Cobalt 11
Iron 5.00 max
Molybdenum 10
Titanium 3.1
Aluminum 1.5
Silicon 0.5 max
Manganese 0.1 max
Carbon 0.09
Boron 0.006
Zirconium 0.07 max

 

Physical properties
  Metric English
Density 8.25 g/cm³ 0.298 lbs/in³
Electrical resistivity* 127.0 µohms/cm 50.0 µohms/in
Thermal conductivity* 11.5 W/m-K 80 Btu-in/ft²hr-°F

*thermal conductivity at 149° C [300° F], electrical resistivity at 0° C [32° 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

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.