Compositions of Typical Cast Superalloys

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The following is a summary of nominal compositions of cast superalloys, including links or references to the source of that information. | | | |
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ALLOY | DESCRIPTION | | | | | COMPOSITION (WT%) | | | | | | | | | REFERENCE | | |
| | Ni | Cr | Co | Mo | Fe | Al | Ti | Ta | W | Zr | C | B | Others | | | |
B1900 | Common equiaxed casting alloy | 64 | 8 | 10 | 6 | … | 6 | 1 | 4 | … | 0.10 | 0.1 | 0.015 | B-1900+Hf also contains 1.5% Hf | M. J. Donachie and S. J. Donachie, Superalloys:  A Technical Guide, 2nd. Edition, ASM International, 2002 | | |
C263 | Wrought Alloy. | bal. | 20 | 20 | 5.8 | 0.7 | 0.45 | 2.15 | … | … | … | 0.06 | … | 0.6 Mn, 0.4 Si | Superalloys 2000:  Isothermal and Thermomechanical Fatigue of Superalloy C263 [pp. 545-552] Y. H. Zhang and D. M. Knowles | | |

CM186LC

Ni-base superalloy, contains Re, outstanding castability,
used in as-cast & double aged condition, designed for use in the directionally solidified form

bal.

6

9

0.5

…

5.7

0.7

3

8

0.005

0.07

0.015

1.4 Hf, 3 Re

C-M Group:  Nickel Base DS Alloy Index

CMSX-10

Nickel-base single crystal, known for strength
and castability.  Contains Re.

bal.

2

3

0.4

….

5.7

0.2

8

5

…

…

…

0.1 Nb, 0.03 Hf, 6 Re

C-M Group: Nickel Base Single Crystal Alloy Index

| | bal. | 1.5 | 3 | 0.4 | … | 5.8 | 0.1 | 8 | 5 | … | … | … | 0.05 Nb, 0.03 Hf, 7 Re | C-M Group: Nickel Base Single Crystal Alloy Index | | |
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CMSX-3 | Hf addition to CMSX-2 | bal. | 8 | 5 | 0.6 | … | 5.6 | 1 | 6 | 8 | … | … | …. | 0.1 Hf | C-M Group: Nickel Base Single Crystal Alloy Index | | |
CMSX-4 | "single crystal material hardenened by about 70 vol%-gamma' with solid solution strengthening of the gamma channels in-between the cuboidal gamma' particles due to the addition of 3 wt%  Re" (Schubert, Rieck, and Ennis) | bal. | 6.5 | 9 | 0.6 | … | 5.6 | 1 | 6.5 | 6 | … | … | … | 0.1 Hf, 3 Re, 0.002 La+Y | C-M Group: Nickel Base Single Crystal Alloy Index | | |

CMSX486

Nickel-base single crystal superalloy.  Grain boundary strengthened
By B, C, Hf & Zr.  Resistant to thermal fatigue, low-cycle fatigue and oxidation.

bal.

5

9

0.7

…

5.7

0.7

4.5

9

0.005

0.07

0.015

1 Hf, 3 Re

C-M Group: Nickel Base Single Crystal Alloy Index

GTD 222 | polycrystalline, Ni-Co-Cr-W | bal. | 22.5 | 19 | … | … | 1.2 | 2.3 | 1 | 2 | 0.012 | 0.10 | 0.005 | 0.8 Nb | C-M Group:  Nickel Base Equiax Alloy Index | | |
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Inconel 713C | high temperature ductility and strength, no heat treatment necessary for attaining required properties, candidate for continuous casting | bal. | 13.5 | … | 4.5 | … | 6 | 0.8 | … | … | 0.06 | 0.10 | 0.010 | 2 Nb | C-M Group:  Nickel Base Equiax Alloy Index | | |
Inconel 713LC | Nickel-base equiaxed cast alloy. | bal. | 12 | … | 4.3 | … | 5.8 | 0.7 | … | … | 0.06 | 0.06 | 0.007 | 2 Nb | C-M Group:  Nickel Base Equiax Alloy Index | | |
Inconel 738 LC | gamma and gamma'-(Ni3Al) | bal. | 16 | 8.5 | 1.7 | … | 3.5 | 3.5 | 1.7 | 2.5 | 0.05 | 0.09 | 0.010 | 2 Nb | C-M Group:  Nickel Base Equiax Alloy Index | | |
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Inconel 939 | Ni-Cr-Co casting alloy with improved strength at elevated temperatures, but not as amenable to weld repair as IN718. | bal. | 22.4 | 19 | … | … | 1.9 | 3.7 | 1.4 | 1.6 | 0.1 | 0.15 | 0.010 | 1 Nb | C-M Group:  Nickel Base Equiax Alloy Index | | |
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Mar M 200 | Nickel-base equiaxed cast alloy. | bal. | 9 | 10 | … | … | 5 | 2 | … | 12.5 | 0.05 | 0.15 | 0.015 | 1.8 Nb | C-M Group:  Nickel Base Equiax Alloy Index | | |
Mar M 246 | Nickel-base equiaxed cast alloy. | bal. | 9 | 10 | 2.5 | … | 5.5 | 1.5 | 1.5 | 10 | 0.05 | 0.15 | 0.015 | | C-M Group:  Nickel Base Equiax Alloy Index | | |
Mar M 247 | Common nickel-based,equiaxed casting alloy, no Re | bal. | 8.2 | 10 | 0.6 | … | 5.5 | 1 | 3 | 10 | 0.05 | 0.16 | 0.015 | 1.5 Hf | C-M Group:  Nickel Base Equiax Alloy Index | | |
Mar M 509 | common equiaxed casting alloy, Cobalt-based | 10.0 | 23.4 | bal. | … | … | … | 0.2 | 3.5 | 7.0 | 0.5 | 0.6 | … | | Superalloys 2004:  A New Method of Metal Temperature Estimation For Service-Run Blades and Vanes  [pp. 759-768]  K. A. Ellison, J. A. Daleo, K. Hussain | | |
PWA 1480 | Nickel base single crystal alloy. | bal. | 10 | 5 | … | … | 5 | 1.5 | 12 | 4 | … | … | 0.003 | | C-M Group: Nickel Base Single Crystal Alloy Index | | |

PWA 1484

Ni-Co-Cr-Al-Ta-W-Mo-Re single crystal alloy (no Ti)

bal.

5.0

10.1

1.9

…

5.7

…

8.7

5.9

…

….

…

3.0 Re

Oxidation Improvements of Low Sulfur Processed Superalloys [pp. 387-392]
T.M. Simpson and A.R. Price

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Rene 220 | Nickel-base equiaxed cast alloy with enhanced temperature capability and weldability with respect to 718.  As compared to 718, Rene 220 has Co instead of Fe and the latter also has Ta. | 51.46 - 59.08 | 18 - 22 | 11 - 13 | 3 - 3.4 | … | … | 0.9 - 1.1 | 3 - 3.5 | … | … | 0.02 - 0.04 | … | 5 - 5.5 Nb | Matweb | | |
Rene 80 | Cast nickel-base superalloy.  Has been studied in conventionally cast form and in directionally solidified and single crystal forms. | bal. | 14 | 9.5 | 4 | … | 3 | 5 | … | 4 | 0.03 | 0.16 | 0.015 | | C-M Group:  Nickel Base Equiax Alloy Index | | |
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Rene N4 | single crystal cast Ni based superalloy | bal. | 10 | 8 | 2 | … | 4.2 | 3.5 | 5 | 6 | … | … | … | 0.5 Nb, 0.2 Hf | C-M Group: Nickel Base Single Crystal Alloy Index | | |
Rene N5 | single crystal cast Ni based superalloy | bal. | 7 | 8 | 2 | … | 6.2 | … | 6 | 5 | … | … | … | 0.2 Hf, 3 Re | C-M Group: Nickel Base Single Crystal Alloy Index | | |
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Rene N6 | single crystal cast Ni based superalloy | bal. | 4 | 12 | 1 | … | 5.8 | … | 7 | 6 | … | … | … | 0.2 Hf, 5 Re | C-M Group: Nickel Base Single Crystal Alloy Index | | |
TMS-138 | NIMS' 4th generation Ni-Co-Cr-Mo-W-Al-Ta single crystal alloy to which Re & Ru was added. High volume fraction of gamma' | bal. | 3.2 | 5.8 | 2.8 | … | 5.9 | … | 5.6 | 5.9 | … | … | … | 0.1 Hf, 5.0 Re, 2.0 Ru | NIMS | | |
TMS-162 | NIMS' newest Ni-Co-Cr-Mo-W-Al-Ta single crystal alloy to which Re & Ru was added.  High volume fraction of gamma'. | bal. | 2.9 | 5.8 | 3.9 | … | 5.8 | … | 5.6 | 5.8 | … | … | … | 0.1 Hf, 4.9 Re, 6.0 Ru | Superalloys 2004:  Creep Deformation Mechanisms in Some Modern Single-Crystal Superalloys [pp. 189-195]  J.X. Zhang,  T. Murakumo,  H. Harada,  Y. Koizumi,  T. Kobayashi | | |
TMS-75 | NIMS' 3rd generation Ni-Co-Cr-Mo-W-Al-Ta single crystal alloy containing Re additions.  High volume fraction of gamma'. | bal. | 3 | 12 | 2 | … | 6 | … | 6 | 6 | … | … | … | 0.1 Hf, 5 Re | NIMS | | |
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