ASTM A 232/A232M : 2005被替代
Standard Specification for Chromium-Vanadium Alloy Steel Valve Spring Quality Wire
出版：American Society for Testing and Materials
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基本信息
標準編號： ASTM A 232/A232M : 2005
標準類別：Standard
出版單位：American Society for Testing and Materials
標準頁數：0
標準簡介
CONTAINED IN VOL. 01.03, 2017 Defines the highest quality of round chromium-vanadium alloy steel valve spring wire, uniform in quality and temper, intended for the manufacture of valve springs and other springs requiring high-fatigue properties when used at moderately elevated temperatures.
