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4027簡介

牌號 4027
美國UNS G40270
對應標準 SAE J 404-2000
SAE 合金鋼化學成分
Chemical Compositions of SAE Alloy Steels
歸類 合金鋼
4027 化學元素成分含量(%)
成分 C Si Mn P S Mo
最小值 0.25 0.15 0.7 - - 0.2
最大值 0.3 0.35 0.9 0.03 0.04 0.3
注：The analysis of the following elements shall be reported regardless of whether they are specified: Aluminum, Titanium, Niobium (Columbium), Vanadium. If the analysis of any of these elements is less than 0.008%, it may be reported as <0.008%. 碳當量計算
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