美国阿尔考公司的5182合金主要用来制造汽车车身用板材,它在成形为部件时有很好的成形性能和高的强度。该合金有良好的耐蚀性和抗疲劳性能。废料可回收在生产本合金时使用或与6×××系合金废料合并使用。 5182合金的成分(％)为:Mg4.0～5.0,Mn0.20～0.50,杂质Si≤0.20,Fe≤0.35,Cu≤0.15,Cr≤0.10,Zn≤0.25,Ti≤0.10,其他杂质总量≤0.15,余量为Al。 5182合金的物理和机械性能:比重2.65×10~3千克/米~3,熔化温度范围575～640℃。在退火状态下:弹性模量7.0×10~3兆帕,抗拉强度275兆帕,屈服强度130兆帕,伸长率21％, Alcon’s 5182 alloy is mainly used to make automotive body panels, which have good formability and high strength when formed into parts. The alloy has good corrosion resistance and fatigue resistance. Wastes can be recycled for use in the production of this alloy or in combination with 6xxx alloy scrap. 5182 alloy (%) is: Mg4.0-5.0, Mn0.20-0.50, impurity Si≤0.20, Fe≤0.35, Cu≤0.15, Cr≤0.10, Zn≤0.25, Ti≤0.10, total amount of other impurities ≤ 0.15, the balance of Al. 5182 alloy physical and mechanical properties: the proportion of 2.65 × 10 ~ 3 kg / m ~ 3, the melting temperature range of 575 ~ 640 ℃. In the annealed state: the modulus of elasticity is 7.0 × 10 -3 MPa, the tensile strength is 275 MPa, the yield strength is 130 MPa, the elongation is 21%