ANSI/ASTM B474-1999 UNS NO8020、UNS NO8026和UNS NO8024镍合金电熔焊管规范

标准号：ANSI/ASTM B474-1999
中文标准名称：UNS NO8020、UNS NO8026和UNS NO8024镍合金电熔焊管规范
英文标准名称：Specification for Electric Fusion Welded UNS N08020, UNS N08026, and UNS N08024 Nickle Alloy Pipe
标准类型：H62
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：H62
国际标准分类号：77.150.40
适用范围： This specification covers electric fusion welded UNS N08020, UNS N08026, and UNS N08024 pipe suitable for high-temperature or corrosive service. (Although no restrictions are placed on the sizes of pipe that may be furnished under this specification, commercial practice is commonly limited to sizes not less than 8 in. (203 mm) nominal diameter.) Two types of pipe are covered as follows: Type I -All welded joints to be completely examined by radiography.Type II -No radiographic examination required. The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.