Standard Specification for Steel Wire, Music Spring Quality (Includes all amendments and changes 8/19/2024).
NORMA vydána dne 15.8.2024
Označení normy: ASTM A228/A228M-18(2024)e1
Datum vydání normy: 15.8.2024
Počet stran: 5
Přibližná hmotnost: 15 g (0.03 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
This specification covers high quality, round, cold-drawn steel music spring quality wire for the manufacture of springs subject to high stresses or requiring good fatigue properties. The steel shall either be ingot cast or strand cast. Heat and product analysis shall be performed wherein steel materials shall conform to required chemical compositions of carbon, manganese, phosphorus, sulfur, and silicon. Steel specimens shall also undergo tension test, wrap test, and torsion tests. Final products shall be marked by a tag.
Keywords:
music spring, wire,, ICS Number Code 77.140.25 (Spring steels)