ASTM-B581:2008 Edition(Redline)

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B581-02(2008) Standard Specification for Nickel-Chromium-Iron-Molybdenum-Copper Alloy Rod (Redline)

Published By	Publication Date	Number of Pages
ASTM	2008	5

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Categories: 77.150.40 - Nickel and chromium products, ASTM

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Description

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, for use in general corrosive service. Heat and product (check) analysis of the alloy shall conform to the chemical composition requirements prescribed for nickel, chromium, iron, molybdenum, copper, manganese, cobalt, carbon, tungsten, silicon, phosphorus, sulfur, columbium and tantalum, titanium, and nitrogen. The material shall conform to the specified straightness criteria and to the mechanical property requirements including tensile strength, yield strength, and elongation, as determined by tension test.

This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

1. Scope

1.1 This specification covers rod of Ni-Cr-Fe-Mo-Cu alloys (UNS N06007, N06975, N06985, N06030, and N08031)* as shown in Tables 1-2, for use in general corrosive service.

1.2 The following products are covered under this specification:

1.2.1 Rods ⁵ / ₁₆ to ¾ 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 ¾ to 3 ½ 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.

TABLE 1 Chemical Requirements

^A See 13.1.1.

TABLE 2 Permissible Variations in Diameter and Out-of-Roundness of Rods

2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

B880 Specification for General Requirements for Chemical Check Analysis Limits for Nickel, Nickel Alloys and Cobalt Alloys E8 Test Methods for Tension Testing of Metallic Materials E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications E55 Practice for Sampling Wrought Nonferrous Metals and Alloys for Determination of Chemical Composition E1473 Test Methods for Chemical Analysis of Nickel, Cobalt, and High-Temperature Alloys

Keywords

rod; N06007; N06975; N06985; N06030; N0803; Corrosive service applications–bars/rods/shapes; Nickel alloy rod/bar/wire–specifications; Nickel-chromium alloys–specifications; Nickel-chromium-iron-molybdenum-copper alloys–specifications; UNS N06007 (Ni-Cr alloy, Hastelloy G); UNS N06030 (wrought Ni-Cr-Fe-Mo-Cu alloy, Hastelloy G-30); UNS N06975 (Ni-Cr alloy, Hastelloy G-2); UNS N06985 (Ni-Cr alloy ERNiCrMo-9, Hastelloy G-3); UNS N08031 (Ni-Fe-Cr-Mo-Cu, Alloy No. 31);

ICS Code

ICS Number Code 77.150.40 (Nickel and chromium products)

DOI: 10.1520/B0581-02R08 ASTM International is a member of CrossRef.

ASTM B581 (Nonferrous Metal Standards and Nonferrous Alloy Standards)

Citing ASTM Standards

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Additional information

Tungsten	1.0 max
5 / 16 to 7 / 16 (7.94 to 11.11), incl	0.012 (0.305)
Manganese	1.0 – 2.0
Sulfur, max	0.03
Copper	1.5 – 2.5
Cobalt, max	2.5
Nickel	remainder A
Titanium	…
Chromium	21.0 – 23.5
Over 7 / 16 to 5 / 8 (11.11 to 15.87), incl	0.014 (0.355)
Columbium + tantalum	1.75 – 2.50
Silicon, max	1.0
Molybdenum	5.5 – 7.5
Nitrogen	0.15-0.25
Phosphorus, max	0.04
Iron	18.0 – 21.0
Over 5 / 8 to ¾ (15.87 to 19.05), excl	0.016 (0.406)
¾ to 3 ½ (19.05 to 88.9), incl	0.010 (0.254)
Carbon, max	0.05
ICS Codes	77.150.40 - Nickel and chromium products

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ASTM-B581:2008 Edition(Redline)

ASTM B581 (Nonferrous Metal Standards and Nonferrous Alloy Standards)

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