About Alloy
Cobalt Alloy R41 / Rene 41 is an age hardening nickel base super alloy with has exceptional strength from room temperature through to between 650°C - 980°C (1200 - 1800ºF). R 41 is designed for use in severely stressed high temperature applications. R41 (Rene 41) is typically used in hot components for jet engines, rocket engines, turbine blades, turbine wheels, torque rings, bolting, springs and much more.
Product Form
Bar: AMS 5712
Sheet, Strip and Plate: AMS 5545
Sheet, Plate, Strip, Bars and Forgings: GE B50T59
Sheet, Plate, Strip: GE B50TF76C
Sheet, Strip, Plate, Solution Treated: GE B50TF109C
Bar (VAC MELT): AMS 5713
Welding Wire: SAE AMS 5800
Chemical Composition
| C | Si | Ni | Co | Al | Fe | Mn | Cr | Mo | Ti | B |
| 0.06 - 0.12 | 0.20 max | Bal | 10-12 | 1.4-1.6 | 5.0 max | 0.1 max | 18-20 | 9.0-10.5 | 3-3.3 | 0.003-0.01 |
Property
| Material | Tensile Strength ksi | Yield Strength ksi | Elongation in 4D | Reduction of Area | Hardness |
| Rene 41 (R41) Solution Treated Bar | 363 HB max | ||||
| Rene 41 (R41) Solution Treated Aged Bar | 170 | 130 | 8 | 10 | 311 HB min |
| Rene 41 (R41) Solution Treated Sheet | 170 max | 100 max | 30 max | 30HRC max | |
| Rene 41 (R41) Solution Treated Aged Sheet | 170 min | 130 min | 10 min | 35 HRC min |
Application
Rene 41 alloy is used for numerous industrial applications, some of which include:
Aircraft engine components
Aircraft turbine blades
Aircraft wheel
Aircraft combustion chamber liners
Aircraft structural hardware
Afterburner parts
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