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ASTM B166

This specification covers nickel-chromium-iron alloys (UNS N06600, N06601, N06603, N06690, N06693, N06025, and N06045) and nickel-chromium-cobalt-molybdenum alloy (UNS N06617) in the form of hot-finished and cold-worked rounds, squares, hexagons, rectangles, and cold-worked wire. The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.

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Parameter Description

Chemical Composition

Element

Composition Limits, %

Alloy N06600

Alloy N06601

Alloy N06617

Alloy N06690

Alloy N06693

Alloy N06025

Alloy N06045

Alloy N06603

Nickel

72.0 min

58.0-63.0

44.5 min

58.0 min

remainderA

remainderA

45.0 min

remainderA

Chromium

14.0-17.0

21.0-25.0

20.0-24.0

27.0-31.0

27.0-31.0

24.0-26.0

26.0-29.0

24.0-26.0

Cobalt

...

...

10.0-15.0

...

...

...

...

...

Molybdenum

...

...

8.0-10.0

...

...

...

...

...

Iron

6.0-10.0

remainder

3.0 max

7.0-11.0

2.5-6.0

8.0-11.0

21.0-25.0

8.0-11.0

Manganese

1 .0 max

1.0 max

1.0 max

0.5 max

1.0 max

0.15 max

1.0 max

0.15 max

Aluminum

...

1.0-1.7

0.8-1.5

...

2.5-4.0

1.8-2.4

...

2.4-3.0

Cartlon

0.15 max

0.10 max

0.05-0.15

0.05 max

0.15 max

0.15-0.25

0.05-0.12

0.20-0.40

Copper

0.5 max

1.0 max

0.5 max

0.5 max

0.5 max

0.1 max

0.3 max

0.50 max

Silicon

0.5 max

0.5 max

1.0 max

0.5 max

0.5 max

0.5 max

2.5-3.0

0.50 max

Sulfur

0.015 max

0.015 max

0.015 max

0.015 max

0.01 max

0.010 max

0.010 max

0.010 max

Titanium

...

...

0.6 max

...

1.0 max

0.1-0.2

...

0.01-0.25

Phosphorus

...

...

...

...

...

0.020 max

0.020 max

0.20 max

Zirconium

...

...

...

...

...

0.01-0.10

...

0.01-0.10

Yttrium Boron

...

...

0.006 max

...

...

0.05-0.12

...

0.01-0.15

Nitrogen

...

...

...

...

...

...

...

...

Niobium

...

...

...

...

0.5-2.5

...

...

...

Cerium

...

...

...

...

...

...

0.03-0.09

...

Note:

A. Element shall be determined arithmetically by difference.

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Mechanical Properties of Rods and Bars

Condition and Diameter or Distance Between Parallel Surfaces, in. (mm)

Tensile Strength, min, psi (MPa)

Yield Strength (0.2 % offset), min, psi (MPa)

Elongation in 2 in. or 50 mm or 4D, min,%

UNS N06600:

Cold-worked (as worked):

 

 

 

Rounds:

 

 

 

Under 1⁄2 (12.7)

120 000 (825)

90 000 (620)

7A

1⁄2 to 1 (12.7 to 25.4), incl

110 000 (760)

85 000 (585)

10

Over 1 to 21⁄2 (25.4 to 63.5), incl

105 000 (725)

80 000 (550)

12

Squares, hexagons, and rectangles:

 

 

 

1⁄4 (6.4) and under

100 000 (690)

80 000 (550)

5A

Over 1⁄4 to 1⁄2 (6.4 to 12.7), excl

95 000 (655)

70 000 (480)

7

Hot worked (as worked):

 

 

 

Rounds:

 

 

 

1⁄4 to 1⁄2 (6.4 to 12.7), incl

95 000 (655)

45 000 (310)

20

Over 1⁄2 to 3 (12.7 to 76.2), incl

90 000 (620)

40 000 (275)

25

Over 3 (76.2)

85 000 (585)

35 000 (240)

30

Squares, hexagons, and rectangles:

 

 

 

All sizes

85 000 (585)

35 000 (240)

20

Rings and disksB

Cold-worked (annealed) or hot-worked (annealed):

 

 

 

Rods and bars, all sizes

80 000 (550)

35 000 (240)

30A

Rings and disksC

Forging Quality:

 

 

 

All sizes

D

D

D

UNS N06601:

Cold-worked (annealed) or hot-worked (annealed):

 

 

 

All products, all sizes

80 000 (550)

30 000 (205)

30

Forging Quality:

D

D

D

UNS N06617:

Cold-worked (annealed) or hot-worked (annealed):

 

 

 

All products, all sizes

95 000 (655)

35 000 (240)

35

Forging Quality:

D

D

D

UNS N06690:

Cold-worked (as worked):

 

 

 

Rounds:

 

 

 

Under 1⁄2 (12.7)

120 000 (825)

90 000 (620)

7A

1⁄2 to 1 (12.7 to 25.4), incl

110 000 (760)

85 000 (585)

10

Over 1 to 21⁄2 (25.4 to 63.5), incl

105 000 (725)

80 000 (550)

12

Squares, hexagons, and rectangles:

 

 

 

1⁄4 (6.4) and under

100 000 (690)

80 000 (550)

5A

Over 1⁄4 to 1⁄2 (6.4 to 12.7), excl

95 000 (655)

70 000 (480)

7

Hot worked (as worked):

 

 

 

Rounds:

 

 

 

1⁄4 to 1⁄2 (6.4 to 12.7), incl

95 000 (655)

45 000 (310)

20

Over 1⁄2 to 3 (12.7 to 76.2), incl

90 000 (620)

40 000 (275)

25

Over 3 (76.2)

85 000 (585)

35 000 (240)

30

Squares, hexagons, and rectangles:

 

 

 

All sizes

85 000 (585)

35 000 (240)

20

Rings and disksB

Cold-worked (annealed) or hot-worked (annealed):

 

 

 

Rods and bars, all sizes

85 000 (586)

35 000 (240)

30A

Rings and disksC

Forging Quality:

 

 

 

All sizes

D

D

D

UNS N06693:

Cold-worked (annealed) or hot-worked (annealed):

 

 

 

Rods and bars, all sizes

100 000 (690)

50 000 (345)

30

Forging Quality:

 

 

 

All sizes

D

D

D

UNS N06603:

Cold-worked (annealed) or hot-worked (annealed):

 

 

 

All products, all sizes

94 000 (650)

43 000 (300)

25

Forging Quality:

 

 

 

All sizes

D

D

D

UNS N06025:

 

 

 

Cold-worked (annealed) or hot-worked (annealed):

 

 

 

All products, all sizes

98 000 (680)

39 000 (270)

30

Forging Quality:

 

 

 

All sizes

D

D

D

UNS N06045:

 

 

 

Cold-worked (annealed) or hot-worked (annealed):

 

 

 

All products, all sizes

90 000 (620)

35 000 (240)

35

Hot-worked (Annealed):E

 

 

 

Rods and bars, all sizes

75 000 (517)

30 000 (207)

30

Forging Quality:

 

 

 

All sizes

D

D

D

Note:

A. Not applicable to diameters or cross sections under 3⁄32 in. (2.4 mm).
B. Hardness B75 to B100, or equivalent.
C. Hardness B75 to B95, or equivalent.
D. Forging quality is furnished to chemical requirements and surface inspection only. No mechanical properties are required.
E. High-temperature annealed condition.