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ASTM B581-17

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

standard by ASTM International , 07/01/2017

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1.1 This specification2 covers rod of Ni-Cr-Fe-Mo-Cu alloys (UNS N06007, N06975, N06985, N06030, N08031, and N08034)3 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
(A) See 13.1.1.
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
(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  +  − 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.
 

Product Details

Published:
07/01/2017
Number of Pages:
4
File Size:
1 file , 78 KB
Redline File Size:
2 files , 150 KB
Note:
This product is unavailable in Russia, Ukraine, Belarus
 

Document History

  1. ASTM B581-17(2023)


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

    • Most Recent

  2. ASTM B581-17

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

    • Historical Version

  3. ASTM B581-02(2013)e1


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

    • Historical Version

  4. ASTM B581-02(2008)


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

    • Historical Version

  5. ASTM B581-02


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

    • Historical Version

  6. ASTM B581-97


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

    • Historical Version