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ASTM B 581 : 2002 : R2013 : EDT 1

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Standard Specification for Nickel-Chromium-Iron-Molybdenum-Copper Alloy Rod

Available format(s)

Hardcopy , PDF

Superseded date

12-05-2023

Superseded by

ASTM B 581 : 2017

Language(s)

English

Published date

01-02-2013

€59.22
Excluding VAT

Committee
B 02
DocumentType
Standard
Pages
4
ProductNote
Reconfirmed EDT 1
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

1.1This specification2 covers rod of Ni-Cr-Fe-Mo-Cu alloys (UNS N06007, N06975, N06985, N06030, and N08031)* as shown in Tables 1-3, for use in general corrosive service.

TABLE 1 Chemical Requirements

Element

Composition Limits, %

Alloy N06007

Alloy N06975

Alloy N06985

Alloy N06030

Alloy N08031

Nickel

remainderA

47.0–52.0

remainderA

remainderA

30.0-32.0

Chromium

21.0–23.5

23.0–26.0

21.0–23.5

28.0–31.5

26.0-28.0

Iron

18.0–21.0

remainderA

18.0–21.0

13.0–17.0

remainderA

Molybdenum

5.5–7.5

5.0–7.0

6.0–8.0

4.0–6.0

6.0-7.0†

Copper

1.5–2.5

0.70–1.20

1.5–2.5

1.0–2.4

1.0-1.4

Manganese

1.0–2.0

1.0 max

1.0 max

1.5 max

2.0 max

Cobalt, max

2.5

...

5.0 max

5.0 max

...

Carbon, max

0.05

0.03

0.015 max

0.03 max

0.015

Tungsten

1.0 max

...

1.5 max

1.5–4.0

...

Silicon, max

1.0

1.0

1.0 max

0.8 max

0.3

Phosphorus, max

0.04

0.03

0.04 max

0.04 max

0.020

Sulfur, max

0.03

0.03

0.03 max

0.02 max

0.010

Columbium + tantalum

1.75–2.50

...

0.50 max

0.30–1.50

...

Titanium

...

0.7–1.5

...

...

...

Nitrogen

0.15-0.25

...

...

...

...

A See 13.1.1.

†Editorially corrected.

TABLE 2 Mechanical Property Requirements

Alloy

Specified Diameter, in. (mm)

Tensile Strength min, psi (MPa)

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

Elongation in 2 in. or 50.8 mm or 4D A min

N06007

5/16to 3/4(7.94 to 19.05), incl

90000 (621)

35000 (241)

35

Over 3/4to 31/2(19.05 to 88.9), incl

85000 (586)

30000 (207)

30

N06975

5/16to 31/2(7.94 to 88.9), incl

85000 (586)

32000 (221)

40

N06985

5/16to 3/4(7.9 to 19.05), incl

90000 (621)

35000 (241)

45

Over 3/4to 31/2(19.05 to 88.9), incl

85000 (586)

30000 (207)

35

N06030

...

85000 (586)

35000 (241)

30

N08031

All sizes

94 000 (648)

40 000 (276)

40

AD refers to the diameter of the tension specimen.
TABLE 3 Permissible Variations in Diameter and Out-of-Roundness of Rods

Specified Diameter, in. (mm)

Permissible Variations, in. (mm)

Diameter

Out-of-Roundness, max

 + 

Hot-Finished, Annealed, and Descaled Rods

5/16to 7/16(7.94 to 11.11), incl

0.012 (0.305)

0.012 (0.305)

0.018 (0.457)

Over 7/16to 5/8(11.11 to 15.87), incl

0.014 (0.355)

0.014 (0.355)

0.020 (0.508)

Over 5/8to 3/4(15.87 to 19.05), excl

0.016 (0.406)

0.016 (0.406)

0.024 (0.610)

Hot-Finished, Annealed, and Ground or Turned Rods

3/4to 31/2(19.05 to 88.9), incl

0.010 (0.254)

0

0.008 (0.203)


1.2The following products are covered under this specification:

1.2.1Rods 5/16to 3/4in. (7.94 to 19.05 mm) excl in diameter, hot- or cold-finished, solution annealed and pickled or mechanically descaled.

1.2.2Rods 3/4to 31/2in. (19.05 to 88.9 mm) incl in diameter, hot- or cold-finished, solution annealed, ground or turned.

1.3The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.4This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to become familiar with all hazards including those identified in the appropriate Material Safety Data Sheet (MSDS) for this product/material as provided by the manufacturer, to establish appropriate safety and health practices, and determine the applicability of regulatory limitations prior to use.

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