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ASTM
B581-17 Standard Specification for Nickel-Chromium-Iron-Molybdenum-Copper Alloy Rod (Redline)
Edition: 2017
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Description of ASTM-B581 2017
ASTM B581-17
Redline Standard: Standard Specification for Nickel-Chromium-Iron-Molybdenum-Copper Alloy Rod
ASTM B581
Scope
1.1 This specification covers rod of Ni-Cr-Fe-Mo-Cu alloys (UNS N06007, N06975,
N06985, N06030, N08031, and N08034) 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
|
Alloy
N08034
|
Nickel
|
remainderA
|
47.0–52.0
|
remainderA
|
remainderA
|
30.0-32.0
|
33.5-35.0
|
Chromium
|
21.0–23.5
|
23.0–26.0
|
21.0–23.5
|
28.0–31.5
|
26.0-28.0
|
26.0-27.0
|
Iron
|
18.0–21.0
|
remainderA
|
18.0–21.0
|
13.0–17.0
|
remainderA
|
remainderA
|
Molybdenum
|
5.5–7.5
|
5.0–7.0
|
6.0–8.0
|
4.0–6.0
|
6.0-7.0
|
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
|
0.5-1.5
|
Manganese
|
1.0–2.0
|
1.0 max
|
1.0 max
|
1.5 max
|
2.0 max
|
1.0-4.0
|
Cobalt, max
|
2.5
|
...
|
5.0 max
|
5.0 max
|
...
|
...
|
Carbon, max
|
0.05
|
0.03
|
0.015 max
|
0.03 max
|
0.015
|
0.01
|
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
|
0.1
|
Phosphorus, max
|
0.04
|
0.03
|
0.04 max
|
0.04 max
|
0.020
|
0.020
|
Sulfur, max
|
0.03
|
0.03
|
0.03 max
|
0.02 max
|
0.010
|
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
|
...
|
...
|
...
|
...
|
0.10-0.25
|
Aluminum
|
|
|
|
|
|
0.3
|
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
|
5/16 to 3/4 (7.94 to 19.05), incl
|
90 000 (621)
|
35 000 (241)
|
35
|
|
Over 3/4 to 31/2 (19.05 to 88.9), incl
|
85 000 (586)
|
30 000 (207)
|
30
|
N06975
|
5/16 to 31/2 (7.94 to 88.9), incl
|
85 000 (586)
|
32 000 (221)
|
40
|
N06985
|
5/16 to 3/4 (7.9 to 19.05), incl
|
90 000 (621)
|
35 000 (241)
|
45
|
|
Over 3/4 to 31/2 (19.05 to 88.9), incl
|
85 000 (586)
|
30 000 (207)
|
35
|
N06030
|
...
|
85 000 (586)
|
35 000 (241)
|
30
|
N08031
|
All sizes
|
94 000 (648)
|
40 000 (276)
|
40
|
N08034
|
All sizes
|
94 000 (650)
|
40 000 (280)
|
40
|
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
|
5/16 to 7/16 (7.94 to 11.11), incl
|
0.012 (0.305)
|
0.012 (0.305)
|
0.018 (0.457)
|
Over 7/16 to 5/8 (11.11 to 15.87), incl
|
0.014 (0.355)
|
0.014 (0.355)
|
0.020 (0.508)
|
Over 5/8 to 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
|
3/4 to 31/2 (19.05 to 88.9), incl
|
0.010 (0.254)
|
0
|
0.008 (0.203)
|
1.2 The following products are covered under this specification:
1.2.1 Rods 5/16 to 3/4 in. (7.94 to 19.05 mm) excl in diameter, hot- or cold-finished, solution
annealed and pickled or mechanically descaled.
1.2.2 Rods 3/4 to 31/2 in. (19.05 to 88.9 mm) incl in diameter, hot- or cold-finished, solution
annealed, ground or turned.
1.3 The 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.
1.4 This 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 Safety Data Sheet (SDS) for this product/material as provided by the manufacturer, to establish
appropriate safety, health and environmental practices, and determine the applicability of regulatory limitations prior to use.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on
Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Keywords
rod; N06007; N06975; N06985; N06030; N08031; N08034;
ICS Code
ICS Number Code 77.150.40 (Nickel and chromium products)
DOI: 10.1520/B0581-17
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