熱軋結(jié)構(gòu)鋼-第5部分：耐候結(jié)構(gòu)鋼 EN 10025-5 - 2019
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歐標(biāo)鋼號
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①FN=rimming steels not permitted(不允許沸騰鋼)鸽凶；FF=fully killed steel(完全鎮(zhèn)靜鋼)
②The steels contain at least one of the following elements: Al total≥0.02%循头，Nb:0.015~0.06%，V:0.02~0.12%烤酌，Ti:0.02~0.1%饲残。If these elements are used in combination, at least one them shall be present with the minimum content indicated秉返。(鋼應(yīng)至少含有下列元素之一:Al總含量為≥0.020%，Nb:0.015 ~ 0.060%钳舵，V:0.02 ~ 0.12%暂铭，Ti:0.02 ~ 0.10%。如果將這些元素組合使用寝丹，其中至少有一種元素應(yīng)具有所示的最低含量底咳。)
③鋼中Ni、Mo、Zr含量可達(dá)的最大值
④當(dāng)Si的最低含量為0.15%時(shí)珍霉，Cr含量可降至0.37%
②The steels contain at least one of the following elements: Al total≥0.02%循头，Nb:0.015~0.06%，V:0.02~0.12%烤酌，Ti:0.02~0.1%饲残。If these elements are used in combination, at least one them shall be present with the minimum content indicated秉返。(鋼應(yīng)至少含有下列元素之一:Al總含量為≥0.020%，Nb:0.015 ~ 0.060%钳舵，V:0.02 ~ 0.12%暂铭，Ti:0.02 ~ 0.10%。如果將這些元素組合使用寝丹，其中至少有一種元素應(yīng)具有所示的最低含量底咳。)
③鋼中Ni、Mo、Zr含量可達(dá)的最大值
④當(dāng)Si的最低含量為0.15%時(shí)珍霉，Cr含量可降至0.37%
注：數(shù)據(jù)僅供參考殃倒，以官方原件為準(zhǔn)！