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Rene 41∞
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Rene 41∞

Available in any of the 'profile options'

Rene 41 is an age hardenable nickel base alloy that has very high strength at elevated temperatures, particularly within the range of 650 – 980oC (1200 – 1800oF). Required mechanical properties can be tailored by selection of various combinations of cold work and/or heat treatments. Rene 41 also has good oxidation resistance.

Chemical Composition Specifications Designations Key Features Typical Applications
Element Min % Max %
C 0.12
Mn 0.10
Si 0.50
S 0.015
Cr 18.00 20.00
Co 10.00 12.00
Mo 9.00 10.50
Ti 3.00 3.30
Al 1.40 1.60
B 0.003 0.01
Fe 5.00
Ni bal
AMS 5545
AMS 5713
AMS 5800
AMS 5712
GE C50T71
W.Nr 2.4973
UNS N07041
AWS 120
Very high strength at elevated temperatures
Good oxidation resistance
Age hardenable
High temperature dynamic applications
After burner parts
Turbine castings
Bolts
Other fasteners
Density 8.25 g/cm³ 0.298 lb/in³
Melting Point 1345°C 2450°F
Coefficient of Expansion 13.6 μm/m °C (20 – 100°C) 7.41 x 10-6 in/in °F (70 – 212°F)
Modulus of Rigidity 83.2 kN/mm² 12067 ksi
Modulus of Elasticity 218.0 kN/mm² 31619 ksi
Heat Treatment of Finished Parts
Condition as supplied by Alloy Wire Type Temperature Time (Hr) Cooling
°C °F
Annealed Age Harden 760 1400 16 Air
Spring Temper Solution Anneal
Age Harden
1065
760
1950
1400
4
16
Air
Air
Spring Temper Age Harden 760 1400 16 Air
Properties
Condition Approx. tensile strength Approx. operating temperature
N/mm² ksi °C °F
Annealed 800 – 1100 116 – 159
Annealed + Aged 1350 – 1550 196 – 225 up to +550 up to +1020
Spring Temper 1400 – 1800 203 – 261
Spring Temper + Annealed + Aged 1350 – 1550 196 – 225 up to +550 up to +1020
Spring Temper + Aged 1600 – 2000 232 – 290 up to +550 up to +1020

The above tensile strength ranges are typical. If you require different please ask.

* Trade name of General Electric Inc.

Dynamic applications = active / lively / changing

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