ASTM International - ASTM B581-02(2013)e1

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

inactive

Organization:	ASTM International
Publication Date:	1 February 2013
Status:	inactive
Page Count:	4
ICS Code (Nickel and chromium products):	77.150.40

scope:

1.1 This 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, %
Element	Alloy N06007	Alloy N06975	Alloy N06985	Alloy N06030	Alloy N08031
Nickel	remainder ^A	47.0-52.0	remainder ^A	remainder ^A	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	remainder ^A	18.0-21.0	13.0-17.0	remainder ^A
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 4 D ^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

^A D 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
	+	−	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 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.

abstract:

This specification covers nickel-chromium-iron-molybdenum-copper alloy rods (UNS N06007, N06975, N06985, N06030, and N08031), hot- or cold-finished, solution annealed, ground, or turned,... View More