Y12Pb易切削钢:
●化学成份:
碳 C :0.08~0.16
硅 Si:≤0.15
锰 Mn:0.70~1.10
硫 S :0.15~0.25
磷 P :0.05~0.10
铅 Pb:0.15~0.35
●力学性能:
抗拉强度 σb (MPa):(热轧)390~540; (冷拉)钢材厚度或直径 8~20时:530~755; >20~30时:510~735; >30时:490~685
伸长率 δ5 (%):(热轧)≥22;(冷轧)≥7.0
断面收缩率 ψ (%):(热轧)≥36
硬度 :(热轧)≤170HB;(冷拉)152~217HB


Y12Pb易车铁！Y12Pb！Y12Pb！Y12Pb！Y12Pb！Y12Pb！Y12Pb！Y12Pb！Y12Pb！Y12Pb！Y12Pb！Y12Pb！

Y12Pb！Y12Pb！Y12Pb！Y12Pb！Y12Pb！Y12Pb！Y12Pb！Y12Pb！Y12Pb！Y12Pb！Y12Pb！Y12Pb！

Y12Pb！Y12Pb！Y12Pb！Y12Pb！Y12Pb！Y12Pb！Y12Pb！Y12Pb！Y12Pb！Y12Pb！Y12Pb！Y12Pb！