GB/T9460-2008 SCu68
AWS A5.7:2007 RBCuZn-B
BS EN14640:2005 Cu6800
AWS RBCuZn-B is similar to RBCuZn-A rods but contain additions of iron and manganese which serve to increase the hardness and strength . In addition , a small amount of silicon serves to control the vaporization of the zinc, yielding the "low fuming" property.The nickel addition assures the uniform distribution of the iron in the deposit.
standardization
|
Numerical symbol
|
chemical composition (%) |
|
Cu |
Zn |
Sn |
Mn |
Fe |
Si |
Ni incl.Co |
Al |
Pb |
Total others |
Brazing temperature(ºC) |
AWS A5.7:2007 |
RBCuZn-B |
56.00-60.00 |
blance |
0.80-1.10 |
0.01-0.50 |
0.25-1.20 |
0.04-0.20 |
0.20-0.80 |
0.01 |
0.05 |
max 0.05 |
882-982 |