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You are here: Home » Copper And Brass » Mechanical properties of copper alloys
Mechanical properties of copper alloys
Family CDA Tensile strength [ksi] Yield strength [ksi] Elongation (typ.) [%] Hardness
[Brinell 10 mm-500 kg]
Machinability [YB = 100]
Min. Typ. Min. Typ.
Red brass 833   32   10 35 35 35
836 30 37 14 17 30 50–65 84
838 29 35 12 16 25 50–60 90
Semi-red brass 844 29 34 13 15 26 50–60 90
848 25 36 12 14 30 50–60 90
Manganese bronze 862 90 95 45 48 20 170–195† 30
863 110 119 60 83 18 225† 8
865 65 71 25 28 30 130† 26
Tin bronze 903 40 45 18 21 30 60–75 30
905 40 45 18 22 25 75 30
907 35 44 18 22 20 80 20
Leaded tin bronze 922 34 40 16 20 30 60–72 42
923 36 40 16 20 25 60–75 42
926 40 44 18 20 30 65–80 40
927 35 42   21 20 77 45
High-leaded tin bronze 932 30 35 14 18 20 60–70 70
934 25 32   16 20 55–65 70
935 25 32 12 16 30 55–65 70
936 33 30 16 21 15 79-83 80
937 25 35 12 18 20 55–70 80
938 25 30 14 16 18 50–60 80
943 21 27   13 10 42–55 80  
Aluminium bronze 952 65 80 25 27 35 110–140† 50
953 65 75 25 27 25 140† 55
954 75 85 30 35 18 140–170† 60
955 90 100 40 44 12 180–200† 50
958 85 95 35 38 25 150-170† 50
Silicon bronze 878 80 83 30 37 29 115 40
† Brinell scale with 3000 kg load

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