Bronze is an alloy consisting primarily of copper, commonly with about 12–12.5% tin and often with the addition of other metals (such as aluminium, manganese, nickel or zinc)
Taking into consideration its main element of alloy, it is common to divide bronze into two groups:
Alloy | |||||
---|---|---|---|---|---|
Symbol | Number | Symbol | Number | ||
Bronze with tin | |||||
B4 | CuSn4 | CW450K | CuSn4 | 2.1016 | |
B6 | CuSn6 | CW452K | CuSn6 | 2.1020 | |
B8 | CuSn8 | CW453K | CuSn8 | 2.1030 | |
B10* | CuSn10 | CC480K | G-CuSn10 | 2.1051 | |
− | CuSn12 | − | Gbz12 | − | |
Tin-lean bronze | |||||
B555 | CuSn5Zn5Pb5 | CC491K | G-CuSn5ZnPb/RG5 | 2.1096 | |
B444 | CuSn4Pb4Zn4 | CW456K | − | − | |
RG7 | CuSn7Zn4Pb7 | CC493K | − | − | |
Aluminium bronze | |||||
BA8 | CuAl8 | − | CuAl8 | 2.0920 | |
BA1032 | CuAl10Fe3Mn2 | CW306G | CuAl10Fe3Mn2 | 2.0936 | |
BA1054 | CuAl10Ni5Fe4 | CW307G | CuAl10Ni5Fe4 | 2.0966 | |
BA93* | CuAl9Fe3 | − | − | − | |
BA83 | CuAl8Fe3 | CW303G | CuAl8Fe | 2.0932 |
Alloy | Thickness [mm] | Flat [mm] | Condition |
---|---|---|---|
B6, B8, BK31 | 0,10-0,14 | 5,0-9, | p/k |
10,0-350 | |||
0,15-0,60 | 5,0-9, | min, p/k | |
10,0-350 | |||
0,61-2,00 | 20,0-350 | min, p/k |
Condition:
min – soft
p/k – after cold rolling(half hard, hard)
Lydinys | Thickness [mm] | Flat [mm] | Length [mm] | Condition | |
---|---|---|---|---|---|
CuSn6 | B6 | 0,2-8,0 | max 350 | max 2000 | min, p/k |
CuSn8 | B8 | 0,2-8,0 | max 350 | max 2000 | min, p/k |
CuSi3Mn1 | BK31 | 0,2-5,0 5,0-30,0 |
max 350 max 600 |
max 2000 | min, p/k kv |
Condition:
min – soft
p/k – after cold rolling(half hard, hard)
Kinds | Dimensions Ø [mm] | |
---|---|---|
CuSn10 | B101 | 20-140 |
CySn7Zn4Pb7 | Rg7 | 15-300 |
CuAl10Fe3Mn2 | BA1032 | 15-180 |
CuAl10Ni5Fe4 | BA1054 | 20-180 |
CuSn12 | B12 | 15-300 |