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Description of ASTM-B640 2012ASTM B640 - 12aStandard Specification for Welded Copper Tube for Air Conditioning and Refrigeration ServiceActive Standard ASTM B640 | Developed by Subcommittee: B05.04 Book of Standards Volume: 02.01 ASTM B640Abstract This specification establishes the requirements for welded copper for air conditioning and refrigeration service for use in connections, repairs, and alterations. The material of manufacture shall be sheet or strip of Copper Alloy UNS No. C10100, or C10200, or C12000, or C12200 of such purity and soundness as to be suitable for processing into welded tube to meet the properties prescribed. The product shall be manufactured by forming the material into a tubular shape on a suitable forming mill and welded using an automatic process. The product shall be cold worked to the finished size and wall thickness and subsequently annealed to meet the temper properties specified. The material shall conform to the chemical compositional requirements for the Copper UNS No. designation specified. Tensile strength test, expansion test, microscopical examination, hydrogen embrittlement susceptibility, flattening test, reverse bend test, electromagnetic test, and cleanness test shall be made to conform to specified 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. Scope 1.1 This specification establishes the requirements for welded copper tube for air conditioning and refrigeration service for use in connections, repairs, and alterations. The tube shall be made from one of the following coppers:
Note 1 Fittings used for soldered or brazed connections in air conditioning and refrigeration systems are
described in ASME Standard B?16.22 .
Note 2 The assembly of copper tubular systems by soldering is described in Practice B828 .
Note 3 Solders for joining copper tubular systems by descirbed in Specification B32 . The requirements for
acceptable fluxes for these systems are described in Specification B813 .
1.2 Copper UNS No. C12200 shall be furnished, unless otherwise specified. The copper tube shall be supplied in annealed coils or drawn temper straight lengths. 1.3 Units 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. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
ASTM Standards B32 Specification for Solder Metal B153 Test Method for Expansion (Pin Test) of Copper and Copper-Alloy Pipe and Tubing B170 Specification for Oxygen-Free Electrolytic Copper--Refinery Shapes B577 Test Methods for Detection of Cuprous Oxide (Hydrogen Embrittlement Susceptibility) in Copper B601 Classification for Temper Designations for Copper and Copper Alloys--Wrought and Cast B813 Specification for Liquid and Paste Fluxes for Soldering of Copper and Copper Alloy Tube B828 Practice for Making Capillary Joints by Soldering of Copper and Copper Alloy Tube and Fittings B846 Terminology for Copper and Copper Alloys B900 Practice for Packaging of Copper and Copper Alloy Mill Products for U.S. Government Agencies B968/B968M Test Method for Flattening of Copper and Copper-Alloy Pipe and Tube 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 E53 Test Method for Determination of Copper in Unalloyed Copper by Gravimetry E62 Test Methods for Chemical Analysis of Copper and Copper Alloys (Photometric Methods) E243 Practice for Electromagnetic (Eddy-Current) Examination of Copper and Copper-Alloy Tubes E255 Practice for Sampling Copper and Copper Alloys for the Determination of Chemical Composition E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS) ASME Standards B 16.22 Wrought Copper and Copper Alloy Solder Joint Pressure FittingsKeywords air conditioning tube; refrigeration tube; welded copper tube; UNS No. C10100; UNS No. C10200; UNS No. C12000; UNS No. C12200; ICS Number Code 2200; 77.150.30 (Copper products) DOI: 10.1520/B0640-12A ASTM International is a member of CrossRef. ASTM B640This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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