Mine engineering knowledge commonly used non-ferrous metal characteristic distinction

    Copper 
    8.8 
    Dark red 
    Purple 
    Green 
    Strip wire and bend easily, there is no flexibility to bend repeatedly broken a significant fracture Mei Huai color, hammering the surface with significant depression
    Wire, core-line, cable 
    Brass (H59-1) 
    8.4 
    Yellow 
    Green Belt 
    Dark gray 
    Bending 2 to 3 times that is broken, fracture sallow, when the file file than the H62 and H68 feel great friction (Cu content of 59%, Pb1% 
    For the rest of zinc) 
    , Tubes, parts of watches and clocks 
    Brass 
    (H62) 
    8.4 
    Staphylococcus 
    Green Gray 
    H68 than brass hardware, bending 7 to 8 times broken light yellow fracture, may file with the separation of H62 and H68, as a result of H62 hard (Cu-bearing 
    62% of the volume, with the rest being zinc) 
    Plate, belt, wire, tube, bar 
    Brass 
    (H68) 
    8.4 
    Yellow 
    Green Gray 
    Only rolled and easy to turn off is not easy, flexible 15 to 20, uniform surface, the fine grains, green and easy to knock depression (Cu content of 68% 
    And the rest for zinc) 
    Shells, condensers, ribbons, tubes, wires 
    Aluminum 
    2.7 
    Silver gray ribbon glory 
    Matte 
    White 
    With thin wire and bend easily, but the inflexibility, repeatedly bending to break down in small aluminum products to stay on the portrait of a significant traces of 
    Boards, control rods, wire, cable, daily-use containers, aluminum 
    Lead 
    11.3 
    The new metallic luster was notch, blue-gray 
    Gray 
    Relatively high density, very soft, cut with a knife 
    Hammer balance, high purity used as a storage battery 
    Zinc 
    7.1 
    White blue ribbon glory days 
    Matte 
    White 
    Very easily broken crisp, easy to fall off, a bright surface, the crystallization of Flake 
    Dry, glue the foreskin, zinc printing plates 
    Magnesium 
    1.74 
    Silvery 
    Dark gray 
    The lightest metal, easy-oxide, magnesium powder combustible 
    More for the iron ball agent 
    Kind 
    Relative density 
    Metallic colors 
    Metal Oxide color 
    And the characteristics of the distinction between means
    Common items 
    Copper 
    8.8 
    Dark red 
    Purple 
    Green 
    Strip wire and bend easily, there is no flexibility to bend repeatedly broken a significant fracture Mei Huai color, hammering the surface with significant depression
    Wire, core-line, cable 
    Brass (H59-1) 
    8.4 
    Yellow 
    Green Belt 
    Dark gray 
    Bending 2 to 3 times that is broken, fracture sallow, when the file file than the H62 and H68 feel great friction (Cu content of 59%, Pb1% 
    For the rest of zinc) 
    , Tubes, parts of watches and clocks 
    Brass 
    (H62) 
    8.4 
    Staphylococcus 
    Green Gray 
    H68 than brass hardware, bending 7 to 8 times broken light yellow fracture, may file with the separation of H62 and H68, as a result of H62 hard (Cu-bearing 
    62% of the volume, with the rest being zinc) 
    Plate, belt, wire, tube, bar 
    Brass 
    (H68) 
    8.4 
    Yellow 
    Green Gray 
    Only rolled and easy to turn off is not easy, flexible 15 to 20, uniform surface, the fine grains, green and easy to knock depression (Cu content of 68% 
    And the rest for zinc) 
    Shells, condensers, ribbons, tubes, wires 
    Aluminum 
    2.7 
    Silver gray ribbon glory 
    Matte 
    White 
    With thin wire and bend easily, but the inflexibility, repeatedly bending to break down in small aluminum products to stay on the portrait of a significant traces of 
    Boards, control rods, wire, cable, daily-use containers, aluminum 
    Lead 
    11.3 
    The new metallic luster was notch, blue-gray 
    Gray 
    Relatively high density, very soft, cut with a knife 
    Hammer balance, high purity used as a storage battery 
    Zinc 
    7.1 
    White blue ribbon glory days 
    Matte 
    White 
    Very easily broken crisp, easy to fall off, a bright surface, the crystallization of Flake 
    Dry, glue the foreskin, zinc printing plates 
    Magnesium 
    1.74 
    Silvery 
    Dark gray 
    The lightest metal, easy-oxide, magnesium powder combustible 
    More for the iron ball agent

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