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ASTM A990-11
Standard Specification for Castings, Iron-Nickel-Chromium and Nickel Alloys, Specially Controlled for Pressure Retaining Parts for Corrosive Service
Automaticky přeložený název:
Standardní specifikace pro odlitky , železa , niklu a chrómu a niklu slitin, speciálně Řízený pro tlakové Pojistné díly pro žíravé službu
NORMA vydána dne 1.5.2011
Informace o normě:
Označení normy: ASTM A990-11
Poznámka: NEPLATNÁ
Datum vydání normy: 1.5.2011
Kód zboží: NS-5224
Počet stran: 7
Přibližná hmotnost: 21 g (0.05 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Anotace textu normy ASTM A990-11 :
Keywords:
casting, iron-nickel-chromium, nickel alloy, pressure retaining, Iron-nickel-chromium alloys--specifications, Nickel alloy castings--specifications, Nondestructive evaluation (NDE)--metallic materials, Corrosive service applications--castings, ICS Number Code 77.120.40 (Nickel, chromium and their alloys)
Doplňující informace
| 1. Scope | ||||||||||||||||||||||||||||||||||
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1.1 This specification covers iron-nickel-chromium and nickel alloy castings specially processed with restricted melt practices, weldability testing, and nondestructive examination (NDE) requirements. 1.2 A number of grades of iron-nickel-chromium and nickel alloy castings are included in this specification. Since these grades possess varying degrees of suitability for service in corrosive environments, it is the responsibility of the purchaser to determine which grade shall be furnished. Selection will depend on design and service conditions, mechanical properties, and corrosion-resistant characteristics. 1.3 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. 1.3.1 This specification is expressed in both inch-pound units and in SI units; however, unless the purchase order or contract specifies the applicable M specification designation (SI units), the inch-pound units shall apply. Within the text, the SI units are shown in brackets or parentheses. 1.4 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 and health practices and determine the applicability of regulatory limitations prior to use. |
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| 2. Referenced Documents | ||||||||||||||||||||||||||||||||||
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