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ASTM B644-05

(Specification)

Standard Specification for Copper Alloy Addition Agents

Standard Specification for Copper Alloy Addition Agents

ABSTRACT
This specification establishes the requirements for copper nickel, ferro copper, phosphor copper, and silicon copper master alloys in ingot, shot, and waffle form to be used as addition agents for cast and wrought alloys. Any material may be used which, when melted, will form an alloy of the required composition. Any manufacturing process may be used that will yield a product uniform in composition and free of defects of a nature that would render the product unsuitable for the intended application. The product in final form shall conform to the chemical composition requirements for the specified alloy. The sample for chemical analysis shall be done as specified. Composition shall be determined as the average of results from at least two replicate determinations for each element specified. For purposes of determining compliance with the specified limits for chemical composition, an observed or calculated value shall be rounded appropriately.
SCOPE
1.1 This specification establishes the requirements for copper nickel, ferro copper, phosphor copper, and silicon copper master alloys in ingot, shot, and waffle form to be used as addition agents for cast and wrought alloys.
1.2 Inch-pound units are the standard. SI units given in parenthesis are for information only.

General Information

Status
Historical
Publication Date
30-Sep-2005
ICS
25.160.20 - Welding consumables
Technical Committee
B05 - Copper and Copper Alloys
Drafting Committee
B05.05 - Castings and Ingots for Remelting
Current Stage
Ref Project

Relations

Replaces
ASTM B644-95(2003) - Standard Specification for Copper Alloy Addition Agents
Effective Date
01-Oct-2005
Replaced By
ASTM B644-11 - Standard Specification for Copper Alloy Addition Agents
Effective Date
01-Apr-2011

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ASTM B644-05 - Standard Specification for Copper Alloy Addition Agents
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: B644 – 05
Standard Specification for
1
Copper Alloy Addition Agents
This standard is issued under the fixed designation B644; 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 (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope* 3. Ordering Information
1.1 This specification establishes the requirements for cop- 3.1 Include the following information when placing orders
per nickel, ferro copper, phosphor copper, and silicon copper for product to this specification:
master alloys in ingot, shot, and waffle form to be used as 3.1.1 ASTM designation and year of issue (for example
addition agents for cast and wrought alloys. B644 – XX).
1.2 The values stated in inch-pound units are to be regarded 3.1.2 Alloy number and letter; generic name (Table 1),
as standard. The values given in parentheses are mathematical 3.1.3 Form; size, weight, screen distribution,
conversions to SI units that are provided for information only 3.1.4 Quantity or total weight; each form, size, weight,
and are not considered standard. screen distribution.
2. Referenced Documents 4. Material and Manufacture
2
2.1 ASTM Standards: 4.1 Material—Any material may be used which, when
E29 Practice for Using Significant Digits in Test Data to melted, will form an alloy of the required composition.
Determine Conformance with Specifications 4.2 Manufacture—Any manufacturing process may be used
E255 Practice for Sampling Copper and Copper Alloys for that will yield a product uniform in composition and free of
the Determination of Chemical Composition defects of a nature that would render the product unsuitable for
E54 Test Methods for ChemicalAnalysis of Special Brasses the intended application.
3
and Bronzes
5. Chemical Composition
E62 Test Methods for Chemical Analysis of Copper and
3
Copper Alloys (Photometric Methods) 5.1 The product in final form shall conform to the require-
ments prescribed in Table 1 for the specified alloy.
E76 Test Methods for ChemicalAnalysis of Nickel-Copper
3
Alloys 5.1.1 Thesespecificationlimitsdonotprecludethepresence
of other elements. Limits may be established and analysis
E478 TestMethodsforChemicalAnalysisofCopperAlloys
E1371 Test Method for Gravimetric Determination of Phos- required for unnamed elements by agreement between the
manufacturer and the purchaser.
phorus in Phosphorus-Copper Alloys or Phosphorus-
3
Copper-Silver Alloys
6. Sampling
2.2 ISO Standard:
6.1 The inspection lot size, portion size, and selection of
No. 4748 Determination of Iron Content; Na2EDTA Titri-
4
portion pieces shall be as follows:
metric Method
6.1.1 LotSize—Aninspectionlotshallconsistofallproduct
from a single heat.
1
ThisspecificationisunderthejurisdictionofASTMCommitteeB05onCopper
6.1.2 Portion Size:
and Copper Alloys and is the direct responsibility of Subcommittee B05.05 on
6.1.2.1 Ingot and Shot—The portion size shall be not less
Castings and Ingots for Remelting.
Current edition approved Oct. 1, 2005. Published November 2005. Originally than 1 ingot.
approved in 1982. Last previous edition approved in 2003 as B644 – 95 (2003).
6.1.2.2 Shot and Waffle—The portion size for product in
DOI: 10.1520/B0644-05.
shot or waffle form shall be not less than 1 lb (0.453 kg) and
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
shall be selected to consist of an average of all sizes of product
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
in the lot.
the ASTM website.
6.1.3 Selection of Portion Pieces—The individual pieces
3
Withdrawn. The last approved version of this historical standard is referenced
shall be randomly selected.
on www.astm.org.
4
Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St., 6.2 Chemical Analysis:
4th Floor, New York, NY 10036.
*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.
1

---------------------- Page: 1 ----------------------
B644 – 05
TABLE 1 Chemical Requirements
Composition, max, % (unless shown as a range or minimum)
Copper-
Element Ferro Copper Phosphor Copper Silicon Copper
Nickel
Alloy 1A Alloy 2A Alloy 2B Alloy 3A Alloy 3B Alloy 4A Alloy 4B Alloy 4C Alloy 4D
Copper, min 46.5 88.7 48.2
Nickel (incl. cobalt) 48.0–51.0 0.10 0.10
Silicon 0.05 9.0–11.0 13.5–16.5 18.5–21.5 28.5–31.5
Copper + silicon + iron 99.4 min 99.4 min 99.4 min 99.4 min
Phosphorus 14.0 min 8.0–8.8
P
...

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