D172
Description:
D172 is titanium calcium type CrMo-type surfacing electrode can be AC ??and DC. Welding arc stability, easy slag removal, process performance is better.
use:
For welding gear, dredging bucket, tractor scraper, plowing plowing, mining machinery and other wear parts.
Deposited metal chemical composition (%)
| C | Cr | Mo |
guarantee value | ≤0.50 | ≤2.50 | ≤2.50 |
Example value | 0.30 | 2.15 | 1.50 |
Surfacing layer hardness:
HRC≥40
Reference current (AC, DC)
Electrode diameter (mm) | φ3.2 | φ4.0 | φ5.0 |
Welding current (A) | 90 ~ 120 | 150 ~ 180 | 190 ~ 230 |
Precautions:
1. Before welding electrode to be about 150 ℃ baking 1h.
2 large parts pre-welding should be preheated to about 300 ℃, and surfacing welding rust and oil clean.
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