ASTM B472-00

NOTICE: This standard has either been superceded and replaced by a new version or discontinued.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 472 – 00
Standard Specification for
UNS N06030, UNS N06022, UNS N06200, UNS N08020, UNS
N08026, UNS N08024, UNS N08926, UNS N08367, UNS
N10276, UNS N10665, UNS N10675, and UNS R20033 Nickel
Alloy Billets and Bars for Reforging
This standard is issued under the fixed designation B 472; 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 performance of material ordered under this specification.
Examples of such requirements include, but are not limited to,
1.1 This specification covers UNS N06030, UNS N06022,
the following:
UNS N06200, UNS N08020, UNS N08026, UNS N08024,
4.1.1 Quantity (weight or number of pieces),
UNS N08926, and UNS N08367, UNS N10276, UNS N10665,
4.1.2 Name of material or UNS number,
UNS N10675, and UNS R20033* billets and bars for reforg-
4.1.3 Form (bar or billet),
ing.
4.1.4 Dimensions,
1.2 The values stated in inch-pound units are to be regarded
4.1.5 ASTM designation and year of issue,
as the standard. The values given in parentheses are for
4.1.6 Inspection 12.1),
information only.
4.1.7 Certification—State if certification or a report of test
2. Referenced Documents results is required (Section 14),
4.1.8 Supplementary requirements, if any, and
2.1 ASTM Standards:
4.1.9 If possible, the intended end use.
A 262 Practices for Detecting Susceptibility to Intergranu-
lar Attack in Austenitic Stainless Steels
NOTE 1—A typical ordering description is as follows: 10 000 lb (4536
B 880 Specification for General Requirements for Chemical
kg), UNS N08020, forging bar, 4 ⁄4 in. (107.95 mm) round, Specification
Check Analysis Limits for Nickel, Nickel Alloys and B 472.
Cobalt Alloys
5. Materials and Manufacture
E 1473 Test Methods for Chemical Analysis of Nickel,
5.1 The products shall be hot worked from ingots by rolling,
Cobalt, and High-Temperature Alloys
forging, extruding, hammering, or pressing.
3. Terminology
5.2 The products may be conditioned by chipping, grinding,
or machining to remove injurious surface defects provided the
3.1 Definitions of Terms Specific to This Standard:
depth of conditioning does not exceed that which will affect the
3.1.1 billets and bars,, n—terms billets and bars as used in
surface condition or dimensions of the article to be forged from
this specification shall be understood as billets and bars for
the bar or billet.
reforging.
6. Chemical Composition
4. Ordering Information
6.1 The material shall conform to the requirements as to
4.1 It is the responsibility of the purchaser to specify all
chemical composition prescribed in Table 1.
requirements that are necessary for the safe and satisfactory
6.2 If a product (check) analysis is performed by the
purchaser, the material shall conform to the requirements
1 specified in Table 1 subject to the permissible tolerances in
This specification is under the jurisdiction of ASTM Committee B02 on
B 880.
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee
B02.07 on Refined Nickel and Cobalt, and Alloys Containing Nickel or Cobalt or
Both as Principal Constituents.
7. Dimensions and Permissible Variations
Current edition approved Oct. 10, 2000. Published November 2000. Originally
7.1 Billets shall conform to the shapes and dimensions
published as B 472 – 68. Last previous edition B 472 – 96.
* New designation established in accordance with ASTM E527 and SAE J1086, specified by the purchaser within a permissible variation of
Practice for Numbering Metals and Alloys (UNS).
65%.
Annual Book of ASTM Standards, Vol 01.03.
Annual Book of ASTM Standards, Vol 02.04.
Annual Book of ASTM Standards, Vol 03.06.
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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 472
TABLE 1 Chemical Requirements
Composition, %
Element
UNS N08026 UNS N08020 UNS N08024 UNS N08367 UNS N08926 UNS R20033
Carbon, max 0.03 0.07 0.03 0.030 0.020 0.015
Manganese, max 1.00 2.00 1.00 2.00 2.00 2.0
Phosphorus, max 0.03 0.045 0.035 0.040 0.03 0.02
Sulfur, max 0.03 0.035 0.035 0.030 0.01 0.01
Silicon, max 0.50 1.00 0.50 1.00 0.5 0.50
Nickel 33.00 to 37.20 32.00 to 38.00 35.00 to 40.00 23.50 to 25.50 24.00 to 26.00 30.0–33.0
Chromium 22.00 to 26.00 19.00 to 21.00 22.50 to 25.00 20.00 to 22.00 19.00 to 21.00 31.0–35.0
Molybdenum 5.00 to 6.70 2.00 to 3.00 3.50 to 5.00 6.00 to 7.00 6.0 to 7.0 0.50–2.0
Copper 2.00 to 4.00 3.00 to 4.00 0.50 to 1.50 0.75 max 0.5 to 1.5 0.30–1.20
Columbium (Nb) + tantalum . 8 3 carbon–1.00 0.15 to 0.35 . . .
Nitrogen 0.10 to 0.16 . . 0.18 to 0.25 0.15 to 0.25 0.35–0.60
A
Iron remainder remainder remainder remainder Bal. balance
Element Composition, %
UNS N06030 UNS N06022 UNS N06200 UNS N10276 UNS N10665 UNS N10675
Carbon, max 0.03 0.015 0.010 0.010 0.02 0.01
Manganese, max 1.5 0.50 0.50 1.0 1.0 3.0
Phosphorous, max 0.04 0.02 0.025 0.04 0.04 0.030
Sulfur, max 0.02 0.02 0.010 0.03 0.03 0.010
Silicon, max 0.8 0.08 0.08 0.08 0.10 0.10
Nickel Remainder Remainder Remainder Remainder Remainder 65.0 min
Chromium 28.0-31.5 20.0-22.5 22.0-24.0 14.5-16.5 1.0 max 1.0-3.0
Molybdenum 4.0-6.0 12.5-14.5 15.0-17.0 15.0-17.0 26.0-30.0 27.0-32.0
Copper 1.0-2.4 1.3-1.9 0.20
Columbium (Nb) + tantalum 0.30-1.50
Nitrogen .
Iron 13.0-17.0 2.0-6.0 3.0 max 4.0-7.0 2.0 max 1.0-3.0
Cobalt, max 5.0 2.5 2.0 2.5 1.0 3.0
Tungsten 1.5-4.0 2.5-3.5 3.0-4.5 3.0 max
Vanadium, max 0.35 0.35 0.20
Titanium, max 0.2
Zirconium, max 0.10
Columbium (Nb) 0.20 max
Tantalum 0
...