Instruction and Application: It is mainly used for TIG welding of B30 alloy. Its molten metal has excellent seawater corrosion resistance and is widely used in ships, Marine engineering and desalination projects.It can also be used for welding of Monel alloy, Nickel 200 alloy and Cu - Ni alloy.
Typical Chemical Composition of the all-weld metal(％)
|
C |
Si |
Mn |
S |
P |
Ni |
Cu |
Fe |
Pb |
Ti |
|
0.03 |
0.15 |
0.80 |
0.002 |
0.007 |
29.96 |
Remainder |
0.53 |
0.007 |
0.35 |
Mechanical properties of all-weld metal
|
Temperature |
Tensile strength Rm(MPa) |
Yield strength Rp0.2(MPa) |
Elongation A(%) |
Impact Strength AKV(J,Room temp.) |
|
Room temperature |
390 |
285 |
35 |
148,133,156 |
Reference Current (DC-)
|
Size φ |
Category |
Gas |
Welding Current (A) |
Gas flow (L/min) |
Speed (mm/min) |
|
φ0.8mm |
Auto |
Ar |
140~160 |
12.5~13.5 |
80~120 |
|
φ1.0mm |
Auto |
Ar |
150~170 |
12.5~13.5 |
80~120 |
|
φ1.2mm |
Auto |
Ar |
160~180 |
12.5~13.5 |
80~120 |
|
φ1.6mm |
Manual |
Ar |
130~150 |
15~17 |
80~150 |
|
φ2.0mm |
Manual |
Ar |
140~160 |
15~17 |
80~150 |
|
φ2.4mm |
Manual |
Ar |
150~170 |
15~17 |
80~150 |
Notice:
1. The welding surface rust, oil fouling and other impurities must be cleaned up.
2. Interpass temperature should be controlled below 150℃.
3. The operation is preferably to be the short arc, arc length be controlled in 1~3mm.
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