【国外标准】 Standard Specification for Copper and Copper-Alloy Seamless Condenser Tubes and Ferrule Stock

This specification establishes the requirements for seamless tube and ferrule stock of copper and various copper alloys of a specified range of diameters, for use in surface condensers, evaporators, and heat exchangers. The specified coppers and copper alloys are UNS No. C10100, C10200, C10300, C10800, C12000, C12200, C14200, C19200, C23000, C28000, C44300, C44400, C44500, C60800, C61300, C61400, C68700, C70400, C70600, C70620, C71000, C71500, C71520, C71640, and C72200. The product shall be produced by processes such as casting, extrusion, drawing, annealing, straightening, trimming, and other processes which may produce a seamless tube in the specified condition. The coppers and copper alloys shall be specifically furnished in any one of the following tempers: annealed, light-drawn, hard-drawn, or hard drawn and end annealed. Tubes for ferrule stock shall be annealed sufficiently to be fully crystallized. Some tubes are suggested to be subjected to a stress-relieving thermal treatment subsequent to straightening. The products shall be subjected to expansion, flattening, and residual stress tests. The tensile and expansion requirements for the products are specified in accordance with the temper designation. The products shall also be subjected to mercurous nitrate, ammonia vapor, Eddy-current, hydrostatic, and pneumatic tests.1.1 This specification2 establishes the requirements for seamless tube and ferrule stock of copper and various copper alloys up to 31/8 in. [80 mm] inclusive, in diameter, for use in surface condensers, evaporators, and heat exchangers. The following coppers and copper alloys are specified:3Copper or CopperAlloy UNS No. Previously UsedDesignation Description     C10100 OFE Oxygen-free electronicC10200 OFA Oxygen-free without residual deoxidantsC10300 . . . Oxygen-free, extra low phosphorusC10800 . . . Oxygen-free, low phosphorusC12000 DLPA Phosphorized, low residual phosphorusC12200 DHPA Phosphorized, high residual phosphorusC14200 DPAA Phosphorized, arsenicalC15630 . . . Nickel PhosphorusC19200 . . . Phosphorized, 1 % ironC23000 . . . Red BrassC28000 . . . Muntz MetalC44300 . . . Admiralty Metals, B, C, and DC44400 . . . . . .C44500 . . . . . .C60800 . . . Aluminum BronzeC61300 . . . . . .C61400 . . . Aluminum Bronze, DC68700 . . . Aluminum Brass, BC70400 . . . 95-5 Copper-NickelC70600 . . . 90-10 Copper-NickelC70620 . . . 90-10 Copper-Nickel—Welding GradeC71000 . . . 80-20 Copper-NickelC71500 . . . 70-30 Copper-NickelC71520 . . . 70-30 Copper-Nickel—Welding Grade     Copper or CopperAlloy UNS No. Previously UsedDesignation Description     C71640 . . . Copper-nickel-iron-manganeseC72200 . . . . . .1.2 Units—The values stated in either SI units or inch-pound units are to be regarded separately as standard. 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 The following safety hazards caveat pertains only to the test methods portion, Section 19, of 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 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. Use caution when handling mercury and mercury-containing products. See the applicable product Safety Data Sheet (SDS) for additional information. The potential exists that selling mercury or mercury-containing products, or both, is prohibited by local or national law. Users must determine legality of sales in their location.)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.