ASTM A1090/A1090M - 19

Standard Specification for Forged Rings and Hollows for Use as Base Plates in Power Transmission Structures

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1.1 This specification covers high-strength, low-alloy steel ring and hollow forgings intended primarily for use as base plates in welded tubular structures for power transmission applications. However, use of this specification is not restricted to such applications and it may be used in other applications for which the attributes of the materials, as defined by this specification, are appropriate.1.2 The atmospheric corrosion resistance of Grades A, B, and C in most environments is substantially better than that of carbon structural steel with or without copper addition (see Note 1). When exposed to the atmosphere, these grades are suitable for many applications in the bare (unpainted) condition.Note 1: See Guide G101 for methods of estimating the atmospheric corrosion resistance of low-alloy steels.1.3 The thickness of forgings is limited only by the capacity of the composition to meet the specified mechanical property requirements; however, current practice normally limits the thi

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Internationale relationer :

ICS: 77.140.85 - Jern- og stålsmedegods

Varenummer: A008354