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This specification establishes the requirements for brass strips in narrow widths and light gages produced from Copper Alloy UNS Nos. C23000, C26000, and C26130 to be used in heat exchanger tubing. The material for manufacture shall be a cast bar, cake, or slab of such purity and soundness as to be suitable for processing by hot working, cold working, and annealing to produce a uniform wrought structure in the finished product. Products shall be produced in tempers H01 (¼ hard), H02 (½ hard), O81 (annealed-to-temper, ¼ hard), and O82 (annealed-to-temper, ½ hard). Products shall be sampled and prepared, then tested accordingly to examine their conformance to dimensional (mass, thickness, width, and straightness), mechanical (tensile and yield strengths, and elongation), chemical composition, and grain size requirements.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1.1 This specification establishes the requirements for brass strip in narrow widths and light gages produced from Copper Alloys Nos. C23000, C26000, and C26130.
Note 1: This product is commonly used for the manufacture of thin-wall tubes for water passages in heat exchangers for internal combustion engines and other closed-system heat sources.
1.2 Units—The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units, which are provided for information only and are not considered standard.
1.2.1 Exception—Grain size and chemical analysis sampling are stated in SI units.
1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
B601 Classification for Temper Designations for Copper and Copper AlloysWrought and Cast
B846 Terminology for Copper and Copper Alloys
E3 Guide for Preparation of Metallographic Specimens
E8/E8M Test Methods for Tension Testing of Metallic Materials
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E62 Test Methods for Chemical Analysis of Copper and Copper Alloys (Photometric Methods)
E112 Test Methods for Determining Average Grain Size
E255 Practice for Sampling Copper and Copper Alloys for the Determination of Chemical Composition
E478 Test Methods for Chemical Analysis of Copper Alloys
E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
ICS Number Code 77.150.30 (Copper products)
UNSPSC Code 40180000(Tubes tubing and tube fittings); 30261702(Brass strip)
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ASTM B569-19, Standard Specification for Brass Strip in Narrow Widths and Light Gage for Heat-Exchanger Tubing, ASTM International, West Conshohocken, PA, 2019, www.astm.orgBack to Top