ASTM A 227/A227M : 2017-09現(xiàn)行
SPECIFICATION FOR STEEL WIRE, COLD-DRAWN FOR MECHANICAL SPRINGS
出版：American Society for Testing and Materials
專家解讀視頻
基本信息
標準編號： ASTM A 227/A227M : 2017-09
標準類別：Standard
出版單位：American Society for Testing and Materials
標準頁數(shù)：0
標準簡介
CONTAINED IN VOL. 01.03, 2017 Defines two classes of round cold-drawn steel spring wire having properties and quality for the manufacture of mechanical springs, rings, and wire forms that are not subject to high stress or requiring high fatigue properties.
本標準替代的舊標準
