ASTM-B395 › Standard Specification for U-Bend Seamless Copper and Copper Alloy Heat Exchanger and Condenser Tubes
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This specification establishes the requirements for condenser, evaporator, and heat exchanger U-bends that are manufactured from seamless copper and copper alloy tube. The material of manufacture shall be of such quality and purity that the finished product shall have the properties and characteristics specified. The material shall conform to the chemical composition requirements specified. Tensile test, expansion test, flattening test, mercurous nitrate test or ammonia vapor test, nondestructive examination, hydrostatic test, and pneumatic test shall be made to conform to the requirements specified.
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Scope
1.1 This specification2 establishes the requirements for condenser, evaporator, and heat exchanger U-bend tubes that are manufactured from seamless copper and copper alloy tube.
1.2 Units—The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text, SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
1.3 This specification is applicable to product 2 in. [50 mm] or less, inclusive, in diameter.
1.4 The product shall be produced from one of the following coppers or copper alloys, as specified in the ordering information:
| Copper or | Previously Used | Type of Metal |
|
|
|
|
| C10200 | OFA | oxygen-free without residual deoxidants |
| C10300 | ... | oxygen-free, extra low phosphorus |
| C10800 | ... | oxygen-free, low phosphorus |
| C12000 | DLPA | phosphorized, low residual phosphorus |
| C12200 | DHPA | phosphorized, high residual phosphorus |
| C14200 | DPAA | phosphorized, arsenical |
| C19200 | ... | phosphorized, 1 % iron |
| C23000 | ... | red brass |
| C44300 | Type B | admiralty metal |
| C44400 | Type C | admiralty metal |
| C44500 | Type D | admiralty metal |
| C60800 | ... | aluminum bronze |
| C68700 | Type B | aluminum brass |
| C70400 | ... | 95-5 copper-nickel |
| C70600 | ... | 90-10 copper-nickel |
| C70620 | ... | 90-10 copper-nickel- |
| C71000 | ... | 80-20 copper-nickel |
| C71500 | ... | 70-30 copper-nickel |
| C71520 | ... | 70-30 copper-nickel- |
| C72200 | ... | copper-nickel |
1.5 The following safety hazard caveat pertains only to the test methods described in this specification.
1.5.1 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. (Warning—Mercury has been designated by many regulatory agencies as a hazardous substance that can cause serious medical issues. Mercury, or its vapor, has been demonstrated to be hazardous to health and corrosive to materials. Caution should be taken when handling mercury and mercury containing products. See the applicable product Safety Data Sheet (SDS) for additional information. Users should be aware that selling mercury and/or mercury containing products into your state or country may be prohibited by law.)
1.6 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.
Significance and Use
18.1 For purpose of determining compliance with the specified limits for requirements of the properties listed in the following table, an observed value or a calculated value shall be rounded as indicated in accordance with the rounding method of Practice E29.
| | Rounded Unit for Observed or |
|
| |
| Chemical composition | nearest unit in the last |
|
| right-hand significant |
| Tensile strength | nearest ksi [nearest 5 MPa] |
| Elongation | nearest 1 % |
| Expansion | nearest 1 % |
| Grain size | nearest multiple of 0.005 mm |
Keywords
condenser tube; copper; copper alloy; dual-gage; evaporator; heat exchanger; U-bend tube; C10200; C10300; C10800; C12000; C12200; C14200; C19200; C23000; C44300; C44400; C44500; C60800; C68700; C70400; C70600; C70620; C71000; C71500; C71520; C72200;; ICS Number Code 23.040.15 (Non-ferrous metal pipes)
To find similar documents by ASTM Volume:
02.01 (Copper and Copper Alloys)
To find similar documents by classification:
23.040.15 (Non-ferrous metal pipes Non-ferrous metal pipes and tubes for specific use, see 77.150)
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Document Number
ASTM-B395/B395M-18
Revision Level
2018 EDITION
Status
Current
Modification Type
Revision
Publication Date
March 1, 2018
Document Type
Specification
Page Count
12 pages
Committee Number
B05.04