Products
Copper base alloy
Name: RBCuZn-D
NO.: SCu7730
Nickel Silver
Chemical Composition（%）
Standard
Class
Alloy
Cu
Al
Fe
Mn
Ni
P
Pb
Si
Sn
Zn
Other
ISO24373
Cu7730
CuZn40Ni10
46.0-50.0
0.01
-
-
9.0-11.0
0.25
0.05
0.04-0.25
-
bal.
0.5
GB/T9460
SCu7730
CuZn40Ni10
46.0-50.0
max0.01
-
-
9.0-11.0
max0.25
max0.05
0.04-0.25
-
bal.
max0.5
BS EN14640
Cu7730
CuZn40Ni10
46.0-50.0
-
-
-
9.0-11.0
-
0.03
0.2
0.8-1.1
bal.
0.5
AWS A5.8
C77300
RBCuZn-D
46.0-50.0
0.01
-
-
9.0-11.0
0.25
0.05
0.04-0.25
-
bal.
0.50
Physical Properties And Mechanical Properties:
Solids-Temperature
890℃
Liquids-Temperature
935℃
Density
8.7㎏/dm3
TensileStrength
385N/ mm2
Elongation
25%
Brinell Hardness
120HB