New Alloy: Inconel® 617 is now available from Alloy Wire. Learn about Inconel® 617

List of Alloys & profiles

List of Alloys & profiles

Alloy Wire International

Datasheet: Rene 41

Rene 41

Rene 41 is an age hardenable nickel base alloy that has very high strength at elevated temperatures, particularly within the range of 650 – 980 °C (1200 – 1800 °F).

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.

Available in all profile options

Rene 41 - Alloy Wire International 1

Key Features

Rene 41 offers the following key features:

Very high strength at elevated temperatures.
Good oxidation resistance.
Age hardenable.
High temperature dynamic applications.^^

Typical Applications

Rene 41 is known to be suitable for the following applications:

After burner parts
Turbine castings
Bolts
Other fasteners


Designations

W.Nr 2.4973
UNS N07041
AWS 120

Specifications

AMS 5545
AMS 5713
AMS 5800
AMS 5712
GE C50T71

Chemical Composition

The chemical composition of Rene 41 is indicated in the table below:

ElementMin %Max %
C0.12
Mn0.10
Si0.50
S0.015
Cr18.0020.00
Co10.0012.00
Mo9.0010.50
Ti3.003.30
Al1.401.60
B0.0030.01
Fe5.00
Nibal 

Alloy Details

Rene 41 density, melting point, coefficient of expansion, and modulus of elasticity is indicated in the table below:

DensityMelting PointCoefficient of ExpansionModulus of RigidityModulus of Elasticity
8.25 g/cm³1345 °C13.6 μm/m °C (20 – 100 °C)83.2 kN/mm²218.0 kN/mm²
0.298 lb/in³2450 °F7.41 x 10-6 in/in °F (70 – 212 °F)12067 ksi31619 ksi

Heat treatment of finished parts

The typical heat treatment of Rene 41:

Condition as supplied by AWITypeTemperatureTimeCooling
AnnealedAge Harden760 °C (1400 °F)16 HrAir
Spring TemperSolution Anneal
Age Harden
1065 °C (1950 °F)
760 °C (1400 °F)
4 Hr
16 Hr
Air
Air

Properties

The typical heat treatment of Rene 41:

Annealed
Approx. tensile strength<1100 N/mm²<159 ksi
Approx. operating temperature depending on load^^ and environment
Annealed + Aged
Approx. tensile strength1350 – 1550 N/mm²196 – 225 ksi
Approx. operating temperature depending on load^^ and environmentup to +550 °Cup to +1020 °F
Spring Temper
Approx. tensile strength1400 – 1800 N/mm²203 – 261 ksi
Approx. operating temperature depending on load^^ and environment
Spring Temper + Annealed + Aged
Approx. tensile strength1350 – 1550 N/mm²196 – 225 ksi
Approx. operating temperature depending on load^^ and environmentup to +550 °Cup to +1020 °F
Spring Temper + Aged
Approx. tensile strength1600 – 2000 N/mm²232 – 290 ksi
Approx. operating temperature depending on load^^ and environmentup to +550 °Cup to +1020 °F

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

*Trade name of General Electric Inc.

^^ Dynamic applications = active / lively / changing