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Standard Specification for Investment Castings, Steel and Alloy, Common Requirements, for General Industrial Use
Automaticky přeložený název:
Standardní specifikace pro osazení investice , oceli a slitiny , společných požadavků, pro průmyslové použití
NORMA vydána dne 1.1.2009
Označení normy: ASTM A957/A957M-09
Poznámka: NEPLATNÁ
Datum vydání normy: 1.1.2009
Kód zboží: NS-5004
Počet stran: 11
Přibližná hmotnost: 33 g (0.07 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Keywords:
casting, investment casting, master heat, steel, sub-heat, Alloy steel castings--specifications, General delivery requirements--steel, Investment castings--specifications, Master heat process, Metallurgical requirements, Sub-heat process, ICS Number Code 77.100 (Ferroalloys)
| 1. Scope | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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1.1 This specification covers a group of
requirements that are mandatory for castings produced by the
investment casting process to meet the metallurgical requirements
of the following steel casting specifications issued by
ASTM.
1.2 This specification also covers a group of supplementary requirements that may be applied to the above specifications as indicated therein. These are provided for use when additional testing or inspection is desired and apply only when specified individually by the purchaser in the order. 1.3 When investment castings are ordered, the requirements stated in this specification form an integral part of the material specification. In cases of conflict, the requirements of this specification shall take precedence over the individual material specification requirements. 1.4 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. |
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| 2. Referenced Documents | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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