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ASTM B224-98
Standard Classification of Coppers
NORM herausgegeben am 10.10.1998
Informationen über die Norm:
Bezeichnung normen: ASTM B224-98
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 10.10.1998
SKU: NS-5814
Zahl der Seiten: 4
Gewicht ca.: 12 g (0.03 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Die Annotation des Normtextes ASTM B224-98 :
Keywords:
classification, coppers, ICS Number Code 77.120.30 (Copper and copper alloys)
Ergänzende Informationen
| 1. Scope | ||||
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1.1 This is a classification of the various types of copper currently available in refinery shapes and wrought products in commercial quantities. It is not a specification for the various types of copper. 1.2 In this classification, use is made of the standard copper designations in use by the copper industry. 1.3 Although this classification includes certain UNS designations as described in Practice E527, these designations are for cross-reference only and are not requirements. Therefore, in case of conflict, this ASTM classification shall govern. 1.4 This classification does not attempt to differentiate between all compositions that could be termed either coppers or copper-base alloys, but in conformance with general usage in the trade, includes those coppers in which the copper is specified as 99.85% or more, silver being counted as copper. Note 1-Coppers may contain small amounts of certain elements intentionally permitted to impart specific properties, without excessively lowering electrical conductivity. The total copper plus specific permitted elements is usually specified as 99.85% or more. These intentionally permitted elements normally include, but are not limited to, arsenic, cadmium, chromium, lead, magnesium, silver, sulfur, tellurium, tin, zinc, and zirconium, plus deoxidizers, up to specific levels adopted by the International Standards Organization.1.5 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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| 2. Referenced Documents | ||||
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