ASTM B649-04
(Specification)Standard Specification for Ni-Fe-Cr-Mo-Cu Low-Carbon Alloy (UNS N08904), Ni-Fe-Cr-Mo-Cu-N Low-Carbon Alloys (UNS N08925, UNS N08031, and UNS N08926), and Cr-Ni-Fe-N Low-Carbon Alloy (UNS R20033) Bar and Wire
Standard Specification for Ni-Fe-Cr-Mo-Cu Low-Carbon Alloy (UNS N08904), Ni-Fe-Cr-Mo-Cu-N Low-Carbon Alloys (UNS N08925, UNS N08031, and UNS N08926), and Cr-Ni-Fe-N Low-Carbon Alloy (UNS R20033) Bar and Wire
SCOPE
1.1 This specification covers nickel-iron-chromium-molybdenum-copper low-carbon alloys (UNS N08904)*, nickel-iron-chromium-molybdenum-copper-nitrogen alloys (UNS N08925, UNS N08031, and UNS N08926), and Cr-Ni-Fe-N low-carbon alloy (UNS R20033) bar and wire.
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 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 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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Designation: B 649 – 04
Standard Specification for
Ni-Fe-Cr-Mo-Cu Low-Carbon Alloy (UNS N08904),
Ni-Fe-Cr-Mo-Cu-N Low-Carbon Alloys (UNS N08925,
UNS N08031, UNS N08354, and UNS N08926), and
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Cr-Ni-Fe-N Low-Carbon Alloy (UNS R20033) Bar and Wire
This standard is issued under the fixed designation B 649; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope E 527 Practice for Numbering Metals and Alloys (UNS)
E 1473 Test Methods for Chemical Analysis of Nickel,
1.1 This specification covers nickel-iron-chromium-
Cobalt, and High-Temperature Alloys
molybdenum-copper low-carbon alloys (UNS N08904)*,
nickel-iron-chromium-molybdenum-copper-nitrogen alloys
3. Terminology
(UNS N08925, UNS N08031, UNS N08354, and UNS
3.1 Definitions of Terms Specific to This Standard:
N08926),andCr-Ni-Fe-Nlow-carbonalloy(UNSR20033)bar
3.1.1 bars, n—hot-finished rounds, squares, octagons, and
and wire.
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hexagons: ⁄4 in. (6.35 mm) and over in diameter or size.
1.2 The values stated in inch-pound units are to be regarded
1
Hot-finished flats: ⁄4 in. to 10 in. (254 mm) inclusive in width,
as the standard. The values given in parentheses are for
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⁄8 in. (3.18 mm) and over in thickness. Cold-finished rounds,
information only.
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squares, octagons, hexagons, and shapes: over ⁄2 in. (12.70
1.3 This standard does not purport to address all of the
3
mm) in diameter or size. Cold-finished flats: ⁄8 in. (9.52 mm)
safety concerns, if any, associated with its use. It is the
1
and over in width (see 3.1.1.1) and ⁄8 in. and over in thickness
responsibility of the user of this standard to become familiar
(see 3.1.1.2).
with all hazards including those identified in the appropriate
3
3.1.1.1 Discussion—Widths less than ⁄8 in. (9.52 mm) and
Material Safety Data Sheet for this product/material as pro-
3
thicknesses less than ⁄16 in. (4.76 mm) are described generally
vided by the manufacturer, to establish appropriate safety and
as flat wire.
health practices, and determine the applicability of regulatory
1 3
3.1.1.2 Discussion—Thickness ⁄8 in. to under ⁄16 in. (3.18
limitations prior to use.
mm to under 4.76 mm) can be cold-rolled strip as well as bar.
2. Referenced Documents 3.1.2 wire, n—cold-finished only: round, square, octagon,
1
2
hexagon, and shape wire, ⁄2 in. (12.70 mm) and under in
2.1 ASTM Standards:
3
diameter or size. Cold-finished only: flat wire, ⁄16 in. to under
B 880 Specification for General Requirements for Chemical
3 3
⁄8 in. (4.76 mm to under 9.52 mm) in width, 0.010 to under ⁄16
Check Analysis Limits for Nickel, Nickel Alloys, and
in. (0.25 to under 4.76 mm) in thickness.
Cobalt Alloys
E 8 Test Methods for Tension Testing of Metallic Materials
4. Ordering Information
E 29 Practice for Using Significant Digits in Test Data to
4.1 It is the responsibility of the purchaser to specify all
Determine Conformance with Specifications
requirements that are necessary for material ordered to this
E 55 PracticeforSamplingWroughtNonferrousMetalsand
specification. Examples of such requirements include, but are
Alloys for Determination of Chemical Composition
not limited to, the following:
4.1.1 Quantity (weight or number of pieces),
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This specification is under the jurisdiction of ASTM Committee B02 on 4.1.2 Alloy name or UNS number,
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee
4.1.3 Form (bar or wire),
B02.07 on Refined Nickel and Cobalt and Their Alloys.
4.1.4 Dimensions,
Current edition approved Oct. 1, 2004. Published November 2004. Originally
4.1.5 Finish (Section 9),
approved in 1981. Last previous edition approved in 2002 as B 649 - 02.
* New designation established in accordance withASTM E 527 and SAE J1086,
4.1.6 ASTM designation and year of issue,
Practice for Numbering Metals and Alloys (UNS).
4.1.7 Exceptions to the specification or special require-
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
ments, and
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
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B649–04
A
TABLE 2 Mechanical Property Requirements
4.1.8 Certification (Section 16). State if certification is
required. Cold Finished and Hot Finished Annealed, All Sizes
Tensile Strength, Elongation in Forging
Alloy
Yield Strength
5. Materials and Manufacture
2 in. (50.8 Quality, All
min, psi (MPa)
min, psi (MPa) mm), min, % Sizes
5.1 H
...
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