ASTM B572-98a
(Specification)Standard Specification for UNS N06002, UNS N06230, UNS N12160, and UNS R30556 Rod
Standard Specification for UNS N06002, UNS N06230, UNS N12160, and UNS R30556 Rod
SCOPE
1.1 This specification covers alloys UNS N06002, UNS N06230, UNS N12160, and UNS R30556* in the form of rod for heat resisting and general-corrosive service.
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) exclusive in diameter, hot or cold finished, solution-annealed, and pickled or mechanically descaled.
1.2.2 Rods 3/4 to 3 1/2 in. (19.05 to 88.9 mm) inclusive 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 the standard. The values given in parentheses are for information only.
General Information
Relations
Standards Content (Sample)
NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: B 572 – 98a
Standard Specification for
UNS N06002, UNS N06230, UNS N12160, and UNS R30556
Rod
This standard is issued under the fixed designation B 572; 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 3. Terminology
1.1 This specification covers alloys UNS N06002, UNS 3.1 Definitions of Terms Specific to This Standard:
N06230, UNS N12160, and UNS R30556* in the form of rod 3.1.1 rod—product of round solid section furnished in
for heat resisting and general-corrosive service. straight lengths.
1.2 The following products are covered under this specifi-
4. Ordering Information
cation:
5 3
1.2.1 Rods ⁄16to ⁄4 in. (7.94 to 19.05 mm) exclusive in 4.1 It is the responsibility of the purchaser to specify all
requirements that are necessary for the safe and satisfactory
diameter, hot or cold finished, solution-annealed, and pickled
or mechanically descaled. performance of material ordered under this specification.
3 1
Examples of such requirements include, but are not limited to
1.2.2 Rods ⁄4to 3 ⁄2 in. (19.05 to 88.9 mm) inclusive in
diameter, hot or cold finished, solution annealed, ground, or the following:
4.1.1 Alloy .
turned.
1.3 The values stated in inch-pound units are to be regarded 4.1.2 DimensionsNominal diameter and length. The shortest
useable multiple length shall be specified (Table 1).
as the standard. The values given in parentheses are for
information only. 4.1.3 Certification—State if certification or a report of test
results is required (Section 16).
2. Referenced Documents
4.1.4 Purchaser Inspection—State which tests or inspec-
2.1 ASTM Standards: tions are to be witnessed (Section 13).
B 880 Specification for General Requirements for Chemical 4.1.5 Samples for Product (Check) Analysis—State whether
Check Analysis Limits for Nickel, Nickel Alloys and samples shall be furnished (9.2.2).
Cobalt Alloys
5. Chemical Composition
E 8 Test Methods for Tension Testing of Metallic Materials
5.1 The material shall conform to the requirements as to
E 29 Practice for Using Significant Digits in Test Data to
Determine Conformance with Specifications chemical composition prescribed in Table 2.
5.2 If a product (check) analysis is made by the purchaser,
E 55 Practice for Sampling Wrought Nonferrous Metals and
the material shall conform to the requirements specified in
Alloys for Determination of Chemical Composition
E 1473 Test Methods for Chemical Analysis of Nickel, Table 2 subject to the permissible tolerances in B 880.
Cobalt, and High-Temperature Alloys
6. Mechanical and Other Requirements
6.1 The mechanical properties of the material at room
temperature shall conform to those shown in Table 3.
6.2 Grain Size—Annealed alloy (UNS N12160) shall con-
This specification is under the jurisdiction of ASTM Committee B-2 on
form to an average grain size of ASTM Number 5 or coarser.
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee
B02.07 on Refined Nickel and Cobalt and Their Alloys.
7. Dimensions, Mass, and Permissible Variations
Current edition approved Oct. 10, 1998. Published November 1998. Originally
published as B 572 – 72. Last previous edition B 572 – 98. 7.1 Diameter—The permissible variations from the speci-
For ASME Boiler and Pressure Vessel Code applications see related Specifi-
fied diameter shall be as prescribed in Table 4.
cation SB-572 in Section II of that Code.
7.2 Out-of-Roundness—The permissible variation in round-
* New designation established in accordance with ASTM E527 and SAE J1086,
ness shall be as prescribed in Table 4.
Practice for Numbering Metals and Alloys (UNS).
Annual Book of ASTM Standards, Vol 02.04.
7.3 Machining Allowances—When the surfaces of finished
Annual Book of ASTM Standards, Vol 03.01.
material are to be machined, the following allowances are
Annual Book of ASTM Standards, Vol 14.02.
6 suggested for normal machining operations:
Annual Book of ASTM Standards, Vol 03.05.
Annual Book of ASTM Standards, Vol 03.06. 7.3.1 As-finished (Annealed and Descaled)—For diameters
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
B 572
TABLE 1 Permissible Variations in Length of Rods
furnished with either cropped or sawed ends.
Random mill lengths 2 to 12 ft (610 to 3660 mm) long with not more 7.5.2 Rods ordered to cut lengths shall be furnished with
than 25 weight % under 4 ft (1.22 m).
square saw cut or machined ends.
Multiple lengths Furnished in multiples of a specified unit length,
7.6 Weight—For calculations of mass or weight, the follow-
within the length limits indicated above.
For each multiple, an allowance of ⁄4 in. (6.35
ing densities shall be used:
mm) shall be made for cutting, unless otherwise
Alloy Density
specified. At the manufacturer’s option,
3 3
lb/in. (g/cm )
individual specified unit lengths may be
N06002 0.297 (8.23)
furnished.
N06230 0.324 (8.97)
Nominal lengths Specified nominal lengths having a range of not
N12160 0.292 (8.08)
less than 2 ft (610 mm) with no short lengths
R30556 0.297 (8.23)
allowed.
Cut lengths A specified length to which all rods shall be
7.7 Straightness—The maximum curvature (depth of chord)
cut with a permissible variation of + ⁄8 in.
shall not exceed 0.050 in. multiplied by the length of the chord
(3.17 mm) − 0.
in feet (0.04 mm multiplied by the length in centimetres).
8. Workmanship, Finish, and Appearance
TABLE 2 Chemical Requirements
8.1 The material shall be uniform in quality and condition,
Composition Limits, %
Element
smooth, and free of injurious defects.
UNS N06002 UNS N06230 UNS N12160 UNS R30556
A A A
Nickel remainder remainder remainder 19.0–22.5
9. Sampling
A
Iron 17.0–20.0 3.0 max 3.5 max remainder
Chromium 20.5–23.0 20.0–24.0 26.0-30.0 21.0–23.0 9.1 Lots for Chemical Analysis and Mechanical Testing:
Cobalt 0.5–2.5 5.0 max 27.0-33.0 16.0–21.0
9.1.1 A lot for chemical analysis shall consist of one heat.
Molybdenum 8.0–10.0 1.0–3.00 1.0 max 2.5–4.0
9.1.2 A lot of bar for mechanical testing shall be defined as
Tungsten 0.2–1.0 13.0–15.0 1.0 max 2.0–3.5
Carbon 0.05–0.15 0.05–0.15 0.15 max 0.05–0.15 the material from one heat in the same condition and specified
Silicon 1.00 max 0.25–0.75 2.4-3.0 0.20–0.80
diameter.
Manganese 1.00 max 0.30–1.00 1.5 max 0.50–2.00
9.2 Sampling for Chemical Analysis:
Phosphorus 0.04 0.30 max 0.030 max 0.04 max
Sulfur 0.03 0.015 max 0.015 max 0.015 max 9.2.1 A representative sample shall be obtained from each
Columbium . . 1.0 max 0.30 max
heat during pouring or subsequent processing.
Tantalum . . .
...
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