D322
Description:
D322 is titanium calcium type CrWMoV cold die welding electrode, AC and DC can be used, the arc when welding is stable, easy slag removal.
use:
For surfacing all kinds of cold dies and cutting tools, but also can be used to repair the higher wear-resistant mechanical parts.
Deposited metal chemical composition (%)
| C | Cr | Mo | W | V | S | P |
guarantee value | ≤0.50 | ≤5.00 | ≤2.50 | 7.00 ~ 10.00 | ≤1.00 | ≤0.035 | ≤0.04 |
Example value | 0.34 | 3.65 | 1.53 | 8.34 | 0.56 | 0.012 | 0.027 |
Surfacing layer hardness:
(Air-cooled after welding) HRC ≥55
Reference current (AC, DC)
Electrode diameter (mm) | φ3.2 | φ4.0 | φ5.0 |
Welding current (A) | 80 ~ 140 | 160 ~ 190 | 190 ~ 230 |
Precautions:
1. The electrode before welding shall be baked at 250 ℃ for 1h.
2. Before welding the workpiece should be preheated to 300 ℃ or more, in order to avoid cracking.
related articles
The number of clicks:Update time:2017/12/26 14:23:09【print this page】