ASTM A230 / A230M : 2019現行
Standard Specification for Steel Wire, Carbon Valve Spring Quality
出版：American Society for Testing and Materials
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基本信息
標準編號： ASTM A230 / A230M : 2019
標準類別：Standard
出版單位：American Society for Testing and Materials
標準頁數：0
標準簡介
This specification covers the highest quality of round and shaped carbon steel spring wire, uniform in quality and temper, intended especially for the manufacture of valve springs and other springs requiring high-fatigue properties.
