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4145簡(jiǎn)介

牌號(hào) 4145
美國(guó)UNS G41450
對(duì)應(yīng)標(biāo)準(zhǔn) SAE J 404-2000
SAE 合金鋼化學(xué)成分
Chemical Compositions of SAE Alloy Steels
歸類 合金鋼
4145 化學(xué)元素成分含量(%)
成分 C Si Mn P S Cr Mo
最小值 0.43 0.15 0.75 - - 0.8 0.15
最大值 0.48 0.35 1 0.03 0.04 1.1 0.25
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(dāng)量計(jì)算
近似對(duì)照表 合金結(jié)構(gòu)鋼
日本 美國(guó)
JIS ASTM AISI
SNB7 A193 B7 4140
4142
4145
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