ASTM B0552-19
Standard Specification for Seamless and Welded Copper–Nickel Tubes for Water Desalting Plants
| Označení normy: | ASTM B0552-19 |
| Vydáno: | 01.04.2019 |
| Status: | Active |
| Počet stran: | 8 |
| Sekce: | 02.01 |
| Označení: | C70600; C70620; C71500; C71520; C71640; C72200; copper-nickel; desalting; heat exchangers; seamless tubes; tubes; water desalting; welded tubes; |
| ASTM označení: | ASTM B552 |
| Nahrazuje: | B0552-12 |
1.1 This specification establishes requirements for seamless and welded copper-nickel tubes from 0.250 to 2.125 in. (6.35 to 54.0 mm) in diameter for use in heat exchangers in water desalting plants. The following alloys are involved:
| Copper or | Type of Metal |
| C70600 | 90-10 copper-nickel |
| C70620 | 90-10 copper-nickel |
| C71500 | 70-30 copper-nickel |
| C71520 | 70-30 copper-nickel |
| C71640 | copper-nickel-iron-manganese |
| C72200 | copper-nickel |
1.2 Units—Values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.3 The following safety hazard caveat pertains only to the test methods of Section 16 described in this specification: 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 its use.
1.4 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.