D126
Description:
D126 is a low-hydrogen type ordinary manganese surfacing welding consumables, AC and DC can be used (AC time-load voltage greater than 70V).
use:
Used for surfacing welded wear low carbon steel, carbon steel and low alloy steel surfaces, such as axles, gears, walking drive wheels, mixer blades and so on.
Deposited metal chemical composition (%)
| C | Mn | Other elements of the total |
guarantee value | ≤0.20 | ≤4.50 | ≤2.00 |
Example value | 0.10 | 3.80 | - |
Surfacing layer hardness:
HRC≥30
Reference current (AC, DC + )
Electrode diameter (mm) | φ3.2 | φ4.0 | φ5.0 |
Welding current (A) | 90 ~ 120 | 140 ~ 180 | 180 ~ 220 |
Precautions:
⒈ welding before the electrode to be about 300 ~ 350 ℃ baking 1h.
⒉ preheating large parts should be properly preheated to about 300 ℃, and surfacing part of the surface rust and oil clean.
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