ASTM A 231/A231M : 2015-11現行
SPECIFICATION FOR CHROMIUM-VANADIUM ALLOY STEEL SPRING WIRE
出版：American Society for Testing and Materials
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基本信息
標準編號： ASTM A 231/A231M : 2015-11
標準類別：Redline
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 round and shaped chromiumvanadium alloy steel spring wire having properties and quality intended for the manufacture of springs used at moderately elevated temperatures.
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