A number in parentheses indicates the year of last reapproval. A superscript epsilon e indicates an editorial change since the last revision or reapproval. Scope 1. Within the text, SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other.
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A number in parentheses indicates the year of last reapproval. A superscript epsilon e indicates an editorial change since the last revision or reapproval. Scope 1. Within the text, SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the speci?
Referenced Documents 2. Ordering Information 3. Current edition approved Jan. Published November Originally published as A —65 T. Last previous edition A — If the hardness method is not speci? Method of Manufacture 4.
Heat Treatment 5. After machining operations are performed the castings may then be hardened. If both annealing and machining are to be performed by the manufacturer, as speci? If the purchaser speci? Chemical Composition 6. Microstructure 7. Hardness Requirements 8. Hardness Method 9. Keywords A sampling procedure should be established by agreement between the supplier and the purchaser. B Non-chilled areas of casting shall meet minimum hardness or sand cast requirements.
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Tipo: NH/IV - Resistente à abrasão e a Impacto - Classe: NI-HARD
More A These alloys may be made by melting process and shall have microstructures that consist of carbides, martensite, bainite, austenite, and in exceptional cases, minor amounts of graphite or pearlite. The following conditions for casting will be supplied: as-cast, as-cast and stress relieved, hardened, hardened and stress relieved, or softened for machining. Heat treatment shall be done. The chemical composition of a class and type that is, Class I, Type A shall conform to the range of values specified for carbon, manganese, silicon, nickel, chromium, molybdenum, copper, phosphorus, and sulfur. Hardness test shall also be made.
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