ANSI/ASTM B474:1999
UNS NO8020、UNS NO8026和UNS NO8024鎳合金電熔焊管規范

Specification for Electric Fusion Welded UNS N08020, UNS N08026, and UNS N08024 Nickle Alloy Pipe

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標準號

ANSI/ASTM B474:1999

發布日期

1999年

實施日期

廢止日期

無

中國標準分類號

H62

國際標準分類號

77.150.40

發布單位

美國國家標準學會

被代替標準

ANSI/ASTM B474-1996

適用范圍

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.

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