ASTM B61-02

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: B 61 – 02
Standard Specification for
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Steam or Valve Bronze Castings
ThisstandardisissuedunderthefixeddesignationB 61;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginal
adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscript
epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
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1. Scope * Flanges and Unions
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1.1 This specification establishes requirements for a high-
3. Ordering Information
grade steam-metal or valve-bronze alloy (Copper Alloy UNS
3 3.1 Orders for castings under this specification shall include
No. C92200 ) used for component castings of valves, flanges,
the following:
and fittings.
3.1.1 Quantity of castings required,
1.2 The castings covered are used in products that may be
3.1.2 Copper Alloy UNS No. (Table 1),
manufactured in advance and supplied from stock by the
3.1.3 Specification title, number, and year of issue,
manufacturer or other dealer.
3.1.4 Pattern or drawing number and condition (as-cast,
1.3 The values stated in inch-pound units are to be regarded
machined, and so forth),
as the standard. Metric values given in parenthesis are for
3.1.5 Chemical analysis of residual elements if specified in
information only.
the purchase order (Specification B 824),
2. Referenced Documents 3.1.6 Pressure test requirements, if specified in the purchase
order (Specification B 824),
2.1 The following documents of the issue in effect on date
3.1.7 Soundness requirements, if specified in the purchase
of material purchase form a part of this specification to the
order (Specification B 824),
extent referenced herein:
3.1.8 Certification, if specified in the purchase order (Speci-
2.2 ASTM Standards:
fication B 824),
B 208 Practice for Preparing Tension Test Specimens for
3.1.9 Foundry test report, if specified in the purchase order
Copper-Base Alloys for Sand, Permanent Mold, Centrifu-
4
(Specification B 824),
gal, and Continuous Castings
3.1.10 Witness inspection, if specified in the purchase order
B 824 Specification for General Requirements for Copper
4 (Specification B 824),
Alloy Castings
5
3.1.11 ASME boiler and pressure vessel application (Sec-
E 527 Practice for Numbering Metals and Alloys (UNS)
tion 9), and
2.3 MSS Standards:
3.1.12 Product marking, if specified in the purchase order
SP-25 Standard Marking System for Valves, Fittings,
(Specification B 824 and Section 10).
3.2 When material is purchased for agencies of the U.S.
Government,theSupplementaryRequirementsinSpecification
B 824 may be specified.
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This practice is under the jurisdiction ofASTM Committee B05 on Copper and
CopperAlloys and is the direct responsibility of Subcommittee B05.05 on Castings 4. Chemical Composition
and Ingots for Remelting.
4.1 The alloy shall conform to the chemical requirements
Current edition approved Dec. 10, 2002. Published February 2003. Originally
for major elements specified in Table 1.
approved in 1927. Discontinued June 2002 and reinstated as B 61 – 02. Last
previous edition approved in 1993 as B 61 – 93.
4.2 These specification limits do not preclude the presence
2
For ASME Boiler and Pressure Vessel Code applications see related Specifi-
of other elements. Limits may be established for unnamed
cation SB-61 of that Code.
3
elements by agreement between manufacturer or supplier and
The UNS system for copper and copper alloys (see Practice E 527) is a simple
expansion of the former standard designation system accomplished by the addition
of a prefix “C” and a suffix “00”. The suffix can be used to accommodate
composition variations of the base alloy.
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Annual Book of ASTM Standards, Vol 02.01. AvailablefromManufacturersStandardizationSocietyoftheValveandFittings
5
Annual Book of ASTM Standards, Vol 01.01. Industry, 127 Park Street NE, Vienna, VA 22180-4602.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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B61–02
TABLE 1 Chemical Requirements, Copper Alloy UNS No. C92200 TABLE 2 Tensile Properties
A B
Composition, % max (Except as Tensile strength, min, ksi (MPa ) 34 (235)
Major Elements
C A B
indicated) Yield strength, min, ksi (MPa ) 16 (110)
Elongation in 2 in. (50.8 mm), min % 24
Copper 86.0–90.0
A
Tin 5.5–6.5 ksi = 1000 psi.
B
Lead 1.0–2.0 See Appendix.
C
Zinc 3.0–5.0 Yieldstrengthshallbedeterminedasthestressproducinganelongationunder
A
load of 0.5 % that is, 0.01 in. (0.25 mm) in a gage length of 2 in. (51 mm).
Nickel incl Cobalt 1.0
Composition, % max (Except as
Residual Elements indicated)
Iron 0.25
7. General Requirements
Antimony 0.25
7.1 M
...