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René 41 Plate is an age hardening nickel base superalloy with exceptional strength from room temperature through about 1600°F. The alloy is sensitive to strain age cracking during welding. Sound welds can be made by the resistance and electron beam methods. GTAW using DC straight polarity requires good joint fit-up and cooling by means of copper backup bars or water-cooled fixtures. René 41 Sheet should be in the fully solution treated condition prior to welding. After welding the assembly should be solution treated using rapid heating and cooling rates through the 1200-1600°F range, followed by aging.
Mechanical properties vary with the solution and aging treatments. Higher solution temperatures result in better room temperature ductility and elevated temperature creep-rupture strength. Lower solution temperatures give higher tensile strengths. Two commonly used heat treatments are:
| Cr | Ni | Mo | Co | Al | Ti | B | C | Fe | Mn | Si | S | Cu | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MIN | 18.00 | -- | 9.00 | 10.00 | 1.40 | 3.00 | 0.003 | -- | -- | -- | -- | -- | -- |
| MAX | 20.00 | Balance | 10.50 | 12.00 | 1.80 | 3.30 | 0.01 | 0.12 | 5.00 | 0.10 | 0.50 | 0.015 | 0.50 |
| Mechanical & Physical Properties | 21°C | 427°C | 538°C | 649°C | 760°C | 871°C | 982°C |
|---|---|---|---|---|---|---|---|
| Ultimate Tensile Strength /MPa | 1261.7 | - | - | 1117 | 1048 | 710.2 | - |
| 0.2% Yield Strength /MPa | 820.5 | - | - | 765.3 | 751.5 | 579.2 | - |
| Elongation % | 21 | - | - | 14 | 14 | 11 | - |
| Coefficient of Thermal Expansion µm/m⁰C | - | 13.3 | 13.7 | 14.3 | 15.1 | 15.5 | 16.7 |
| Thermal Conductivity /kcal/(hr.m.°C) | - | 14.4 | 16.1 | 17.9 | 19.6 | 21.4 | - |
| Modulus of Elasticity / x105 MPa | - | 2 | 1.93 | 1.79 | 1.72 | 1.65 | 1.52 |
Carey Alloys export products to countries like UAE, Bahrain, Italy, Indonesia, Malaysia, United States, Mexico, Chine, Brazil, Peru, Nigeria, Kuwait, Jordan, Dubai, Thailand (Bangkok), Venezuela, Iran, Germany, UK, Canada, Russia, Turkey, Australia, New Zealand, Sri Lanka, Vietnam, South Africa, Kazakhstan & Saudi Arabia.
HASTELLOY, HAYNES and C-22 are registered trade names of Haynes International, Inc., MONEL & INCONEL are registered trade names of INCO family of companies., NITRONIC is a registered trade name of Armco Inc., CARPENTER & 20Cb-3 are registered trade names of Carpenter Technology Corporation., FERRALIUM is a registered trade name of Langley Alloys, LTD.
