ASTM B907-05

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: B907 – 05
Standard Specification for
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Zinc, Tin and Cadmium Base Alloys Used as Solders
This standard is issued under the fixed designation B907; 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.
1. Scope* adequateventilationmustbeprovidedtomaintainoccupational
cadmium exposure below the OSHA Permissible Exposure
1.1 Thisspecificationcoverssoldermetalalloys(commonly
Level (PEL).
known as soft solders), including zinc-aluminum, zinc-
1.4 This standard does not purport to address all of the
aluminum-copper, zinc-tin, zinc-tin-copper, zinc-cadmium-tin,
safety concerns, if any, associated with its use. It is the
zinc-cadmium, tin-zinc, cadmium-zinc, cadmium-zinc-silver,
responsibility of the user of this standard to become familiar
and cadmium-silver, used as solders for the purpose of joining
with all hazards including those identified in the appropriate
together two or more metals at temperatures below their
Material Safety Data Sheet (MSDS) for this product/material
melting points.
as provided by the manufacturer, to establish appropriate
1.1.1 Certain alloys specified in this standard are also used
safety and health practices, and determine the applicability of
as Thermal Spray Wire in the electronics industry and are
regulatory limitations prior to use.
covered for this purpose in Specification B943. Specification
B833 covers Zinc and Zinc Alloy Wire for Thermal Spraying
2. Referenced Documents
(Metallizing) used primarily for the corrosion protection of
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2.1 ASTM Standards:
steel (as noted in the Annex part of this specification).
B32 Specification for Solder Metal
1.1.2 Tin base alloys are included in this specification
B833 Specification for Zinc and Zinc Alloy Wire for Ther-
becausetheiruseintheelectronicsindustryisdifferentthanthe
mal Spraying (Metallizing) for the Corrosion Protection of
major use of the tin and lead solder compositions specified in
Steel
Specification B32.
B899 Terminology Relating to Non-ferrous Metals and
1.1.3 These solders include alloys having a nominal liqui-
Alloys
dus temperature not exceeding 850°F (455°C).
B943 Specification for Zinc and Tin Alloy Wire Used in
1.1.4 This specification includes solder in the form of solid
Thermal Spraying for Electronic Applications
bars,ingots,wire,powderandspecialforms,andintheformof
E29 Practice for Using Significant Digits in Test Data to
solder paste.
Determine Conformance with Specifications
1.2 The values stated in inch-pound units are to be regarded
E46 Test Methods for Chemical Analysis of Lead and
as the standard. The values given in parentheses are for
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Tin-Base Solder
information only.
E47 Test Methods for Chemical Analysis of Zinc Die-
1.3 Toxicity—Warning: Soluble and respirable forms of
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Casting Alloys
cadmiummaybeharmfultohumanhealthandtheenvironment
E51 Method for Spectrographic Analysis of Tin Alloys by
in certain forms and concentrations. Therefore, ingestion and
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the Powder Technique
inhalation of cadmium should be controlled under the appro-
E55 Practice for Sampling Wrought Nonferrous Metals and
priate regulations of the U.S. Occupational Safety and Health
Alloys for Determination of Chemical Composition
Administration (OSHA). Cadmium-containing alloys and coat-
E87 Methods for Chemical Analysis of Lead, Tin, Anti-
ings should not be used on articles that will contact food or
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mony, and Their Alloys (Photometry Method)
beverages, or for dental and other equipment that is normally
E88 Practice for Sampling Nonferrous Metals andAlloys in
inserted in the mouth. Similarly, if articles using cadmium-
Cast Form for Determination of Chemical Composition
containing alloys or coatings are welded, soldered, brazed,
ground, flame-cut, or otherwise heated during fabrication,
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This specification is under the jurisdiction of ASTM Committee B02 on
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Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee For referenced ASTM standards, visit the ASTM website, www.astm.org, or
B02.04 on Zinc and Cadmium. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Current edition approved Nov. 1, 2005. Published December 2005. Originally Standards volume information, refer to the standard’s Document Summary page on
approved in 2000. Last previous edition approved in 2004 as B907 – 04. DOI: the ASTM website.
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10.1520/B0907-05. Withdrawn.
*A Summary of Changes section appears at the end of this standard.
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B907 – 05
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