ASTM A 232 : 1999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 : 1999
發布時間：1999/1/1 0:00:00
標準類別：Standard
出版單位：American Society for Testing and Materials
標準頁數：4
標準簡介
Outlines the highest quality of round chromium vanadium alloy steel valve spring wire, uniform in temper and quality for making valve springs and other springs needing high fatigue properties when used at moderately high temperatures. The wire can be annealed and cold drawn or in an oil tempered condition.
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