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    Y12Pb

    Y12Pb
    力學性能
    抗拉強度σb(Mpa):(熱軋)390~540; (冷拉)鋼材厚度或直徑 8~20時:530~755; >20~30時:510~735; >30時:490~685
    伸長率δ5(%):(熱軋)≥22;(冷軋)≥7.0
    斷面收縮率ψ(%):(熱軋)≥36
    硬度:(熱軋)≤170HB;(冷拉)152~217HB
    化學成份(質(zhì)量分數(shù)) /%
    碳 C (%):0.08~0.16
    硅 SI (%):≤0.15
    錳 MN (%):0.70~1.10
    硫 S (%):0.15~0.25
    磷 P (%):0.05~0.10
    鉛 PB (%):0.15~0.35



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