Bronze

Bronze is an alloy consisting primarily of copper, usually with tin as the main additive. It is hard and tough, and it was so significant in antiquity that the Bronze Age was named after the metal. However, historical pieces were often made interchangeably of brasses (copper and zinc), and bronzes with different compositions, so modern museum and scholarly descriptions of older objects increasingly use the more inclusive term “copper alloy” instead.[1] Historically the term latten was used for such alloys.

DESCRIPTION ALLOY Cu Zn Pb P Sn Fe Al Ni Mn Si OTHERS
  ASTM / UNS (%) (%) (%) (%) (%) (%) (%) (%) (%) (%) (%)
Phosphorous Bronze C51000 restante 0.3 0.05 0.03 4.2 0.1
          0.35 5.8            
Phosphorous Bronze C51100 restante 0.3 0.05 0.03 3.5 0.1
          0.35 4.9            
Phosphorous Bronze C52100 restante 0.2 0.05 0.03 7 0.1
          0.35 9            
Bronze SAE CA-624 C62400 99.5 0.2 2 10 0.3 0.25
CuAl   (mín.)         4 11.5        
Bronze SAE CA-630 C63000 78 0.2 2 9 4 1.5 0.25 0.5
CuAl   85         4 11 5.5      
Bronze SAE 40 C83600 84 4 4 0.05 4 0.3 0.005 1 0.005 0.35
CuSnPbZn   86 6 6   6            
Bronze SAE 430-A C86200 60 restante 0.2 0.2 2 3 1 2.5 0.3
CuZnAlMn   66         4 4.9   5    
Bronze SAE 430-B C86300 60 restante 0.2 0.2 2 5 1 2.5 0.3
CuZnAlMn   66         4 7.5   5    
Bronze SAE 43 C86500 55 restante 0.4 1 0.4 0.5 1 1.5 0.3
CuZnAlMn   60         2 1.5        
Bronze SAE 620 C90300 86 3 0.3 0.05 7.5 0.15 0.005 1 0.005 0.3
CuSnZn   89 5     9            
Bronze SAE 62 C90500 86 1 0.3 0.05 9 0.15 0.005 1 0.005 0.3
CuSnZn   89 3     11            
Bronze SAE 65 C90700 88 0.5 0.3 10 0.005 0.5 0.005 0.3
CuSn   90       12            
Bronze Bz 12 C90800 84 0.25 0.25 0.15 11 0.15 0.5 Sb=0,20
CuSn   88       13            
Bronze Bz 14 C91000 85 0.5 1 0.2 13 0.2 1
CuSn   87       14            
Bronze SAE 622 C92200 86 3 1 0.05 5.5 0.3 0.005 1 0.005 0.3
CuSnZn   90 5 2   6.5            
Bronze SAE 660 C93200 81 2 6 0.5 6.2 0.2 0.005 0.8 0.005 Sb=0,35
CuSnPbZn   85 4 8   7.5           otders=0,20
Bronze SAE 66 C93500 83 2 8 0.05 4.5 0.2 0.005 0.8 0.005 Sb=0,35
CuSnPb   86   10   6           otdes=0,30
Bronze SAE 64 C93700 78 0.8 8 0.5 9 0.15 0.005 1 0.005 Sb=0,60
CuSnPb   82   11   11           otders=0,20
Bronze SAE 67 C93800 75 0.8 13 0.05 6.3 0.15 0.005 0.8 0.005 Sb=0,80
CuSnPb   79   16   7.5           otders=0,20
Bronze SAE 68-A C95200 86 2.5 8.5 1
CuAl   (mín.)         4 9.5        
Bronze SAE 68-B C95300 86 0.7 9 1
CuAl   (mín.)         1.5 11        
Bronze SAE CA-954 C95400 83 3 10 2.5 0.5 0.5
CuAl   (mín.)         5 11.5        
Bronze SAE CA-955 C95500 78 3 10 3 3.5 0.5
CuAl   (mín.)         5 11.5 5.5      
Bronze TM-23 70 9 20 4
    (mín.) (máx.) (máx.)   (mín.)            
Bronze TM-620 86 5 1 7
    (mín.) (máx.) (máx.)   (mín.)          

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