HS111 cobalt base surfacing wire
Description:
HS111 Co-based welding wire is Co-Cr-W surfacing alloy C and W content of the lowest, the best toughness. Can withstand the impact of hot and cold conditions, the tendency of cracks is small, with good corrosion resistance, heat resistance and wear resistance.
use:
Mainly used for the requirements of high temperature work to maintain good wear resistance and corrosion resistance, such as high temperature, high pressure valves, hot cutting blades, hot forging dies, etc.
Deposited metal chemical composition (%)
project | C | Mn | Si | Cr | W | Fe | Co | S | Cu |
guarantee value | 0.9-1.4 | ≤1.0 | 0.4-2.0 | 26-32 | 3.5-6.0 | 2.0 | margin | - | - |
Reference current (AC, DC - )
Diameter (mm) | 1.6 | 2.0 | 2.5 | 3.2 |
Welding current (A) | 50 ~ 100 | 100 ~ 200 | 200 ~ 300 | 300 ~ 400 |
Surfacing layer hardness HRC: 40-45
Precautions:
1. Protective gas: pure Ar; flow: 9 ~ 14L / min at current of 100 ~ 200A and 14 ~ 18L / min at current of 200 ~ 300A.
2. Tungsten extension length: 3 ~ 5mm; arc length: 1 ~ 3mm.
3. Wind speed limit ≤1.0m / s; it is recommended to pass argon gas protection on the back of welding area.
4. In welding, the size of the welding wire energy directly affects the mechanical properties of the weld metal and crack resistance, should pay more attention.
5. Welding parts of the rust layer, moisture, oil, dust, etc. in addition to net.
The above suggestions are for reference only, in the specific operation to the scene prevail. If necessary, process assessment and then determine the welding program.
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