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ASTM A231/A231M-18
Standard Specification for Chromium-Vanadium Alloy Steel Spring Wire
Name übersetzen
NORM herausgegeben am 1.9.2018
Informationen über die Norm:
Bezeichnung normen: ASTM A231/A231M-18
Ausgabedatum normen: 1.9.2018
SKU: NS-897805
Zahl der Seiten: 5
Gewicht ca.: 15 g (0.03 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Kategorie - ähnliche Normen:
Die Annotation des Normtextes ASTM A231/A231M-18 :
This specification covers round chromium-vanadium alloy steel spring wires having properties and quality intended for the manufacture of springs used at moderately elevated temperatures. Wires shall either be in the annealed and cold-drawn or oil-tempered condition as specified by the purchaser. The steel may either be ingot cast or strand cast, and the finished wire shall be free from detrimental pipe and undue segregation. Specimens shall undergo cast or heat analysis, and shall conform to required chemical compositions for carbon, manganese, phosphorus, sulfur, silicon, chromium, and vanadium. Wrap tests shall also be performed wherein mechanical properties shall be assessed for tensile strength requirements. Metallurgical properties, such as the surface condition and decarburization, shall be inspected as well. For all test procedures, one specimen shall be taken for each ten coils, or fraction thereof, in a lot. Each cast or heat in a given lot shall be tested.
Keywords:
alloy, chromium-vanadium, spring, wire ,, ICS Number Code 77.140.25 (Spring steels)
Ergänzende Informationen
| 1. Scope | ||||||||||
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1.1 This specification covers round and shaped chromium-vanadium alloy steel spring wire having properties and quality intended for the manufacture of springs used at moderately elevated temperatures. This wire shall be either in the annealed and cold-drawn or oil-tempered condition as specified by the purchaser. 1.2 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. 1.2.1 Within the text, the inch-pound units are shown in brackets. 1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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