ASTM A679/A679M-24

Podrobné informácie

Označenie: ASTM A679/A679M-24

Dátum vydania: 15.08.2024

Stránok: 4

Krajina: Americká technická norma

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Anotácia

This specification covers round, uncoated, high tensile strength, cold-drawn steel spring wires having properties and quality suitable for the manufacture of mechanical springs and wire forms subject to high static stresses or infrequent dynamic load, or both. The steel shall be made by any commercially accepted steel making process. The steel shall either be ingot cast or continuous strand cast. The finished wire shall be free from detrimental pipe and undue segregation. The wire shall be cold drawn to produce the desired tensile strength. The wire finish shall be suitable for forming or coiling. It is not intended that this material be furnished with a metallic coating. Heat and product analysis shall be conducted wherein the material shall conform to the required chemical composition values of carbon, manganese, phosphorus, sulfur, and silicon. The material shall undergo tensile and wrap tests. The steel shall have fine pearlite microstructure and the wire surface shall not exhibit imperfections.


Keywords:
cold drawn, high tensile, wire,, ICS Number Code 77.140.65 (Steel wire, wir ropes and link chains)