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Copper Nickel-B30
Trade Mark GB/T9460：SCu7158 AWS A5.7/5.8：ERCuNi EN 14640：CuNi30
Affiliate classification：
Copper alloys welding wire
Product description
Chemical composition：
|
Executive standard |
Classification number |
Alloy number |
Cu |
Fe |
Mn |
Ni |
P |
Pb |
Si |
C |
Ti |
S |
Total amount of other elements |
|
ISO24373 |
Cu7158 |
CuNi30Mn1FeTi |
bal. |
0.4-0.7 |
0.5-1.5 |
29.0-32.0 |
0.02 |
0.02 |
0.25 |
0.04 |
0.20-0.50- |
0.01 |
0.5 |
|
GB/T9460 |
SCu7158 |
CuNi30Mn1FeTi |
bal. |
0.4-0.7 |
0.5-1.5 |
29.0-32.0 |
max0.02 |
max0.02 |
max0.25 |
- |
0.20-0.50- |
max0.1 |
Max0.5 |
|
BS EN14640 |
Cu7158 |
CuNi30 |
bal. |
0.4-1.0 |
0.5-1.5 |
29.0-32.0 |
0.02 |
0.02 |
0.25 |
0.05 |
0.20-0.50- |
0.02 |
0.4 |
|
AWS A5.7 |
C71581 |
ERCuNi |
bal. |
0.40-0.75 |
1.0 |
29.0-32.0 |
0.02 |
0.02 |
0.25 |
- |
0.20-0.50- |
- |
0.5 |
|
DIN 1733 |
2.0837 |
SG-CuNi30Fe |
bal. |
0.4-1.0 |
0.5-1.5 |
29.0-32.0 |
max0.02 |
max0.02 |
max0.2 |
max0.05 |
0.20-0.50- |
max0.015 |
Max0.4 |
Physical properties of materials：
|
Density |
Kg/m³ |
8.9 |
|
Melting range |
℃ |
1180-1240 |
|
Thermal conductivity |
W/m.K |
30 |
|
Electrical conductivity |
S.m/mm² |
2.7-3.3 |
|
Coefficient of thermal expansion |
10-6/K(20-300℃) |
17.3 |
Standard values of the weld metal：
|
Elongation |
% |
36 |
|
Tensile strength |
N/mm² |
420 |
|
Notched bar impact work |
J |
240 |
|
Brinell hardness |
HB 2.5/62.5 |
115 |
Applications：
Joining and overlay welding of copper nickel alloys having a nickel content of max.30%.It is used for shipbuilding,chemical industry,for exmple:containers,pipes of condensers,heat exchangers.Pulsed arc welding is recommended.Good corrosion resistance.
Make up：
Diameter:1.00 - 1.20 - 1.60 -2.40
Spools:D100，D200，D300
Rods:1.60 – 5.0 mm x 914/1000 mm
Further make ups on request
Previous:
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Zip code：300352
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