【英文标准名称】: Standard Specification for Welded Copper Tube for Air Conditioning and Refrigeration Service 【原文标准名称】: 空调及制冷设备用焊接铜管标准规范 【标准号】: ASTM B640-2007 【标准状态】: 现行 【国别】: 【发布日期】: 2007 【实施或试行日期】: 【发布单位】: 美国材料与试验协会(US-ASTM)【起草单位】: B05.04【标准类型】: (Specification)【标准水平】: ()【中文主题词】: 空调器;空调;空调系统;合金;铜;铜合金;有色金属;管;制冷;焊接的【英文主题词】: air conditioning tube; refrigeration tube; welded copper tube; UNS No. C10100; UNS No. C10200; UNS No. C12000; UNS No. C【摘要】: 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:Copper UNS No.Previously Used DesignationType of CopperC10100OFEOxygen-free electronicC10200OFOxygen-free without-residual oxidantsC12000DLPPhosphorus-deoxidized, low-residual phosphorusC12200DHPPhosphorus-deoxidized, high-residual phosphorus