Xiang Welding Industrial Co Ltd
Nickel Silver, RBCuZn-D, Cu7730, welding wire, Utilized in the joints and gears of machinery, automatic technological industries, and steel-furniture industries. It is suitable for surface corrosion resistance hard facing for cast steel, cast iron, copper-alloy and nickel-alloy, as well as the butt welding of cast iron.
Alpaca
RBCuZn-D
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