ZL104铝合金
ZL104铝合金,是一种高强度铝合金材料。
中文名ZL104铝合金材料名称ZAlSi9Mg密 度2.65g/cm³标 准GB/T 1173-1995Mg
适用范围
可热处理强化。其强度高于ZL101.ZL102等合金。该合金的好,无热裂倾向、气密性高、线收缩小;但形成针孔的倾向较大熔炼工艺较复杂。合金的耐蚀性好,和一般。
化学成分
硅 Si :8.0-10.5
锰 Mn:0.2-0.5
镁 Mg:0.17-0.35
铝 Al :余量
铁(): 0.000- 0.600
铁(): 0.000- 0.900
铜 Cu :≤0.1(杂质)
锌 Zn:≤0.25(杂质)钛+稀土 Ti+Zr:≤0.15(杂质)
锡 Sn :≤0.01(杂质)
铅 Pb:≤0.01(杂质)
注:杂质总和:()≤1.1;()≤1.4
力学性能
σb (MPa):≥195
δ5 (%):≥1.5
硬度 (HB):≥65(5/250/30)
热处理规范:
退火、时效或:175±5℃,10~15h 空冷。
铸造方法:
(T1态.J)
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