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ASTM A 230/A230M : 2005被替代
Standard Specification for Steel Wire, Oil-Tempered Carbon Valve Spring Quality
出版：American Society for Testing and Materials
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標(biāo)準(zhǔn)編號： ASTM A 230/A230M : 2005
標(biāo)準(zhǔn)類別：Standard
出版單位：American Society for Testing and Materials
標(biāo)準(zhǔn)頁數(shù)：0
標(biāo)準(zhǔn)簡介
CONTAINED IN VOL. 01.03, 2017 Defines the highest quality of round carbon steel spring wire, uniform in quality and temper, intended especially for the manufacture of valve springs and other springs requiring high-fatigue properties.
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