|
Item Code |
Type of Covering |
Equivalent Norm |
Welding Position |
Type of Current |
Standard & Typical Chemical Composition of Deposited Metal (%) |
Mechanical Properties of Deposited Metal |
|
Applications |
|
|
|
|
|
|
C |
Mn |
Fe |
Si |
S |
P |
Ni |
Pb |
Ti |
Other Elements |
Tensile Strength
Rm (MPa) |
Elongation A4 (%) |
|
|
CHCu107 |
Low hydrogen
Red copper core |
AWS A5.6
ECu |
F |
DC+ |
>95.0
98.00 |
≤3.00
0.29 |
— |
≤0.50
0.15 |
— |
≤0.30
0.011 |
— |
≤0.020
0.004 |
— |
Fe+Al+Ni+Zn
≤0.50 |
≥170
260 |
≥20
29 |
Mainly for welding copper structures, such as conductive lugs, heat
exchangers, and it could surface marine corrosive carbon steel parts also. |
|
CHCu307 |
Lime titania
Cu70Ni30 alloy core |
GB ECuNi-B |
F |
DC+ |
Remain |
≤2.50 |
≤2.50 |
≤0.50 |
≤0.015 |
≤0.020 |
29.0-33.0 |
≤0.020 |
≤0.50 |
Pb+Zn
≤0.50 |
≥350 |
≥20 |
Suitable for welding structures of 70-30 Cu-Ni alloy or 70-30 Cu-Ni alloy
with 645-Ⅲ steel clad metal. |