Page 249 - Mechanical Engineer's Data Handbook
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ENGINEERING MATERIALS                                                            237

                                                Composition  (%)
                                                                               Melting point
        Name                   Sn          Pb          Bi          Cd          (“C)

         -                     40.0        40.0        20.0         0          145
         -                     33.33       33.33       33.33        0          123
         -                     20.0        40.0        40.0         0          113
         Rose’s alloy          22.0        28.0        50.0         0          100
         Newton’s alloy        18.75       31.25       50.0         0           95
         Darcet’s alloy        25.0        25.0        50.0         0           93
         -                     50.0        25.0         0          25.0         86
         -                      9.25       34.5        50.0        6.25         77
         Wood’s metal          12.5        25.0        50.0        12.5         73
         Lipowitz’ alloy       13.33       26.67       50.0        10.0         70






         6. I I  Miscellaneous information on metals
         ~       ~~
         Physical properties of common engineering materials

                                             Tensile
                                             strength   E        G            U        P
         Material   Application       PS/YS   (Nmm-2)   (GNm-’)   (GNm-2)  v   (x 106K-’)  (kg~~-~)

         Steel      Structures, lightly   240   430    207       80      0.3   11      7850
          070M20     stressed parts, bolts,
                     brackets, levers
         Steel      Shafts and machine   25MOO  510-650   207    80      0.3   11      7850
          080M40     details requiring
                     strength and wear
                     resistance
         Steel      Gears, machine tools   31&570  620-980   207   80    0.3   I  I    7850
          070M55     and hard parts
         Steel      Springs          -       1300      207       80      0.3   11      7850
          060A96
         Steel      Internal combustion   -   11W17OO   207      80      0.3   11      7850
           331340    engine valves
         Aluminium   Plate, sheet and strip   60   170   70      27      0.32  23      2700
           alloy
           NS4
         Aluminium   Forgings         130    280        70       27      0.32   23     2700
           alloy
           NF8M
         Aluminium   Rolled sections   230   3 70       70       27      0.32  23      2700
           alloy
           HE 15TB
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