Compositions of Typical Wrought Superalloys

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The following is a summary of compositions of typical wrought superalloys, including links or references to the source of information. | | | | | | | |
When single values are given, these are nominal compositions.  When ranges and maximum single values are shown, these are composition limits. | | | | | |
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ALLOY | UNS# | DESCRIPTION | | | | COMPOSITION (WT%) | | | | | | | | | WEBLINK/REF. | | | | |
| | | Ni | Fe | Cr | Ti | Co | Mo | W | C | Mn | Si | Al | S | B | Cu | Others | | | | | |
720LI | | Precipitation-hardened wrought alloy.  Has also been made as P/M alloy - see Courturier et. al. in Superalloys 2004 reference to the right. | 57 | … | 16 | 5 | 15 | 3 | 1.25 | 0.025 | … | … | 2.5 | … | … | … | 0.03 Zr | M. J. Donachie and S. J. Donachie, Superalloys:  A Technical Guide, 2nd. Edition, ASM International, 2002 | | | | |

A-286

S66286

Fe-Ni-Cr wrought alloy with additions of Mo & Ti.  Age-hardenable.  Maintains strength & oxidation resistance to 700°C.

24.0 - 27.o

bal.

13.5 - 16.0

1.90 - 2.35

…

1.0-1.5

0.08 max

2.0 max

1.0 max

0.35 max

0.030 max

0.001 - 0.01

0.10 - 0.50 V

Special Metals

Alloy 901

N09901

Ni-Fe-Cr wrought alloy with additions of Mo, Ti and Al.  For service up to 600°C.

42.5

bal.

12.5

2.9

1.0 max

5.75

…

0.1 max

0.5 max

0.4 max

0.35 max

0.03 max

…

0.5 max

Special Metals

| | | | | | | | | | | | | | | | | | Carpenter | | | | |

Allvac 718Plus

N07818

Wrought, precipitation-hardened nickel-base alloy.  Has high temperature capability & thermal stability of Waspaloy with the processing characteristics of 718

bal.

8.0 - 10.0

17.0 - 21.0

0.50 - 1.00

8.0 - 10.0

2.5 - 3.1

0.5 - 1.5

0.06 max

0.35 max

0.35 max

1.20 - 1.80

0.010 max

0.008 max

…

4.75 - 5.80 Nb, 0.02 max P

Allvac

Astroloy

N13017

Ni-Co-Cr-Mo precipitation
Hardened alloy

bal.

…

15

3.5

17

5

…

0.04

…

…

4

…

0.025

…

Allvac

C263

Wrought Alloy.

bal.

0.7

20

2.15

20

5.8

…

0.06

0.6

0.4

0.45

…

…

…

Isothermal and Thermomechanical Fatigue of Superalloy C263 [pp. 545-552]
Y.H. Zhang and D.M. Knowles

C-276

N10276

Ni-Mo-Cr-W alloy with excellent
corrosion resistance & good
fabricability.  Directionlly solidified.

Haynes International

| | | bal. | 5.6 - 6.5 | 15.8 - 16.3 | … | 2.25 max | 15.5 - 16 | 3.4 - 3.8 | 0.10 max | 0.5 max | 0.08 max | … | 0.005 max | … | … | 0.15 - 0.25 V, 0.015 max P | Carpenter | | | | |

Hastelloy B

N10001

Low thermal expansion,
Limited oxidation/corrosion
resistance

67 (bal.)

5

1 max

…

2.5 max

28

0.05 max

1 max

1 max

…

…

…

0.05 max

0.3 V

Haynes International

Hastelloy S

N06635

Low thermal expansion,
Hot & cold-workable

67 (bal.)

3.0 max

14.5 - 17.0

…

2.0 max

14.0 - 16.5

1.0 max

0.02 max

0.30 - 1.0

0.20 - 0.75

0.10 - 0.50

0.015 max

0.015 max

0.35 max

0.01 - 0.10 La, 0.020 max P

Haynes International

Hastelloy W | N10004 | Filler metal for welding | 63 (bal.) | 6 | 5 | … | 2.5 max | 24 | | 0.12 max | 1 max | 1 max | … | … | … | … | 0.6 max V | Haynes International | | | | |

Hastelloy X

N06002

Ni-Cr-Fe-Mo alloy
excellent forming & welding,
good ductility after elevated
temperature exposure

47 (bal.)

18

22

…

1.5

9

0.6

0.1

1 max

1 max

…

…

0.008 max

…

Haynes International

Haynes 188

R30188

Co-Ni-Cr-W alloy,
Readily fabricated

22

3

22

…

39 (bal.)

…

14

0.1

1.25 max

0.35

…

…

0.015 max

…

0.03 La

Haynes International

Haynes 214

N07214

Ni-Cr-Al-Fe alloy,
Conventional fabricating

75 (bal)

3

16

…

…

…

…

0.05

0.5 max

0.2 max

4.5

…

0.01 max

…

0.1 max Zr, 0.01 Y

Haynes International

Haynes 230

N06230

Ni-Cr-W-Mo alloy
Low thermal expansion,
Hot & cold-formable

57 (bal.)

3 max

22

…

5 max

2

14

0.1

0.5

0.4

0.3

…

0.015 max

…

0.02 La

Haynes International

Haynes 242

N10242

Ni-Mo-Cr alloy,
Low thermal expansion,
Hot & cold formable

65 (bal.)

2.0 max

7.0 - 9.0

…

2.5 max

24.0 - 26.0

…

0.03 max

0.80 max

0.80 max

0.50 max

…

0.006 max

0.50 max

Haynes International

| | | | | | | | | | | | | | | | | | | | | | |

Incoloy 909

N19909

Ni-Fe-Co-Si-Nb-Ti alloy,
Low thermal expansion
Constant modulus of elasticity

35.0 - 40.0

bal.

…

1.3 - 1.8

12.0 - 16.0

…

…

0.06 max

…

0.25 - 0.50

0.15 max

…

…

…

4.3 - 5.2 Nb

Special Metals

Incoloy MA956

S67956

Fe-Cr-Al alloy w/ yttrium oxide
Strengthening.
NO LONGER PRODUCED

0.50 max

Bal.

18.5 - 21.5

0.2 - 0.6

0.3 max

…

…

0.1 max

0.30 max

…

3.75 - 5.75

…

…

0.15 max

0.3 - 0.7 Yttrium oxide, 0.02 max P

Special Metals

Inconel 100 | | Wrought Alloy | 60 | <0.6 | 10 | 4.7 | 15 | 3 | … | 0.15 | … | …. | 5.5 | … | … | … | 0.06 Zr, 1.0 V | M. J. Donachie and S. J. Donachie, Superalloys:  A Technical Guide, 2nd. Edition, ASM International, 2002 | | | | |
Inconel 600 | N06600 | Wrought Ni-Cr alloy with good oxidation and corrosion resistance. | Ni+Co = 72.0 min | 6.00 - 10.00 | 14.0 - 17.0 | … | Ni+Co = 72.0 min | … | … | 0.15 max | 1.00 max | 0.50 max | … | 0.015 max | … | 0.50 max | | Special Metals | | | | |

72.00 min

6.00 - 10.00

14.00 - 17.00

…

…

…

…

0.10 max

1.00 max

0.50 max

…

0.015 max

…

0.50 max

Carpenter

| | | 72.0 min | 8 | 15.5 | … | … | … | … | 0.075 | … | … | … | … | … | … | | Allvac | | | | |
Inconel 601 | N06601 | Wrought Ni-Cr alloy with Al additions for enhanced oxidation and corrosion resistance. | 58.0 - 63.0 | bal. | 21.0 - 25.0 | … | … | … | … | 0.10 max | 1.0 max | 0.50 max | 1.0 - 1.7 | 0.015 max | … | 1.0 max | | Special Metals | | | | |
Inconel 625 | N06625 | Wrought Ni-Cr-Mo alloy with Nb additions for increased strength and corrosion resistance. | 58.0 min | 5.0 max | 20.0 - 23.0 | 0.40 max | 1.0 max | 8.0 - 10.0 | … | 0.10 max | 0.50 max | 0.50 max | 0.40 max | 0.015 max | … | | 3.15 - 4.15 Nb+Ta, 0.015 max P | Special Metals | | | | |

Inconel 706

N09706

Wrought Ni-Fe-Cr precipitation hardened alloy with good fabricability.

39.0 - 44.0 (a)

bal.

14.5 - 17.5

1.5 - 2.0

1.00 max

…

…

0.06 max

0.35 max

0.35 max

0.40 max

0.015 max

0.006 max

0.30 max

2.5 - 3.3 Nb+Ta, 0.020 max P,  (a) 39.0 - 44.0 Ni(+Co)

Special Metals

Inconel 718

N07718

precipitation strengthened Ni based superalloy, good oxidation and creep resistance up to 650°C, high strength and fatigue resistance

50.00 - 55.00 (b)

bal.

17.00 - 21.00

0.65 - 1.15

1.00 max

2.80 - 3.30

…

0.08 max

0.35 max

0.35 max

0.20 - 0.80

0.015 max

0.006 max

0.30 max

4.75 - 5.50 Nb+Ta, 0.015 max P, (b) 50.00 - 55.00 Ni(+Co)

Special Metals

50.00 - 55.00 (b)

bal.

17.00 - 21.00

0.65 - 1.15

(b)

2.80 - 3.30

…

0.10 max

0.35 max

0.35 max

0.35 - 0.85

0.015 max

0.001 - 0.006

0.15 max

4.75 - 5.50 Nb + Ta, 0.015 max P, (b) 50.00 - 55.00 Ni + Co

Carpenter

52 (bal.)

19

18

0.9

1 max

3

…

0.05

0.35 max

0.35 max

0.5

…

0.009

0.1 max

5 Nb+Ta

Haynes

| | | 54 | bal. | 19 | 0.9 | … | 3.1 | … | 0.02 | … | … | 0.5 | … | | … | 5.2 Nb | Allvac | | | | |
| | | | | | | | | | | | | | | | | | | | | | |

Inconel 783

R30783

Low thermal expansion alloy designed for high strength, good oxidation resistance and higher temperature capability with respect to the 900 series alloys.

26.0-30.0

24,0 - 27.0

2.5 - 3.5

0.1 - 0.4

bal.

…

…

0.03 max

0.50 max

0.50 max

5.0 - 6.0

0.005 max

0.003 - 0.012

0.50 max

2.5 - 3.5 Nb, 0.015 max P

Special Metals

Inconel MA754

N07754

Includes yttrium oxide strengthening.  NO LONGER PRODUCED

78

1

20

0.5

…

…

…

0.05

…

…

0.3

…

…

…

0.6 Yttrium Oxide

Special Metals

Nimonic 75 | N06075 | Ni-Cr-Ti-C alloy, for sheet applications | bal. | 5.0 max | 18.0 - 21.0 | 0.2 - 0.6 | … | … | … | 0.08 - 0.15 | 1.0 max | 1.0 max | … | … | … | 0.5 max | | Special Metals | | | | |

Nimonic 80A

N07080

Like Nimonic 75 but with Al and Ti
for greater strength

bal.

3.0 max

18.0 - 21.0

1.8 - 2.7

2.0 max

…

…

0.10 max

1.0 max

1.0 max

1.0 - 1.8

0.015 max

0.008 max

0.2 max

0.0025 max Pb,0.15 max Zr

Special Metals

Nimonic 90 | N07090 | Ni-Cr-Co-Ti-Al alloy | bal. | 1.5 max | 18.0 - 21.0 | 2.0 - 3.0 | 15.0 - 21.0 | … | … | 0.13 max | 1.0 max | 1.0 max | 1.0 - 2.0 | 0.015 max | 0.02 max | 0.2 max | 0.0020 max Pb, 0.15 max Zr | Special Metals | | | | |
RA 333 | N06333 | High Cr, nickel-base superalloy resistant to high temperature oxidation, carbutization  and thermal shock. | 45 | 18 | 25 | … | 3 | 3 | 3 | 0.05 | 1.5 | 1.2 | … | … | … | … | | Rolled Alloys | | | | |

Rene 41

N07041

precipitation-hardened wrought nickel-base superalloy with high strength and good oxidation resistance

58 (bal.)

5 max

19

3.1

11

4.3

…

0.09

0.1 max

0.5 max

1.5

…

0.006

…

Haynes

bal.

5

18.00 - 20.00

3.00 - 3.30

10.00 - 12.00

9.00 - 10.50

…

0.06 - 0.12

0.5 max

0.50 max

1.40 - 1.60

…

0.003 - 0.010

…

Carpenter

bal.

3

19

3.15

11

9.75

…

0.05

…

…

1.6

…

0.007

…

Allvac

| | | bal. | 5.0 max | 18.0 - 20.0 | 3.0 - 3.3 | 10.0 - 12.0 | 9.0 - 10.5 | … | 0.12 max | … | … | 1.40 - 1.80 | … | 0.003 - 0.010 | … | | Special Metals | | | | |

Rene 88DT

advanced high strength powder metallurgy Ni based superalloy, good creep and fatigue crack growth resistance

bal.

…

16

3.7

13

4

4

0.03

…

…

2.1

…

…

…

0.7 Nb

Control of Grain Size Via Forging Strain Rate Limits for R'88DT [pp. 49-58]
E. Huron, S. Srivatsa and E. Raymond , Quench Cracking

Rene 95

gamma' strengthened powder metallurgy Ni based superalloy

bal.

…

13

2.5

8

3.5

3.5

0.06

…

…

3.5

…

0.015

…

3.5 Nb, 0.05 Zr

Quench Cracking Characterization of Superalloys Using Fracture Mechanics Approach [pp. 109-116]
J. Mao, K.M. Chang and D. Furrer

Thermospan

Fe-Ni-Co-Cr alloy with low
thermal expansion

25

bal.

5.5

0.8

29

…

…

0.05

0.5

0.3

0.5

0.015

0.01

0.5

4.8 Nb, 0.015 P

Carpenter

Udimet 700 | | Wrought Nickel-base superalloy. | | | | | | | | | | | | | | | | Principal Metals | | | | |
| | | bal. | … | 15 | 3.5 | 18.5 | 5 | … | 0.07 | … | … | 4.4 | … | 0.025 | … | | C-M Group | | | | |

Udimet 720

n/a

Ni-Cr-Co-W-Mo-Ti-Al with high
impact strength after elevated
temperature exposure.

bal.

…

15.5 - 16.5

4.75 - 5.25

14.0 - 15.5

2.75 - 3.25

1.0 - 1.5

0.01 - 0.02

…

…

2.25 - 2.75

…

0.01 - 0.02

…

0.025 - 0.05 Zr

Special Metals

Waspaloy

N07001

Ni-Co-Cr-Mo-Al-Ti alloy

bal.

2.00 max

18.0 - 21.0

2.75 - 3.25

12.00 - 15.00

3.50 - 5.00

…

0.02 - 0.10 max

1.00 max

0.75 max

1.20 - 1.60

0.030 max

0.003 - 0.01

0.50 max

0.02 - 0.12 Zr, 0.030 max. P

Special Metals

bal.

2.00 max

19.00 - 19.50

2.60 - 3.25

12.0 - 13.0

4.10 - 4.35

…

0.03 - 0.04

0.10 max

0.10 max

1.00 - 1.50

0.008 max

0.003 - 0.008

…

0.04 - 0.06 Zr

Capenter

bal.

1

19.5

3

13

4.3

…

0.05

…

…

1.4

…

0.01

…

0.07 Zr

Allvac

58 (bal.)

2 max

19

3

13.5

4.4

…

0.08

0.1 max

0.15 max

1.5

…

0.006

0.1 max

0.05 Zr

Haynes International

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