A302Fe
Description:
A302Fe is Cr23Ni13 high-efficiency stainless steel electrode with titanium-calcium type coating. The deposited metal has good crack resistance and oxidation resistance. The electrode coating has excellent resistance to cracking and redness. It is suitable for large-scale base welding, flattening Welding and fillet welding, a good operating performance.
use:
For welding the same type of stainless steel, stainless steel lining, dissimilar steel (Cr19Ni9 and low carbon steel) and high-chromium steel, high manganese steel.
Deposited metal chemical composition (%)
| C | Mn | Si | S | P | Cr | Ni | Mo | Cu |
guarantee value | ≤0.150 | 0.50 ~ 2.50 | ≤1.00 | ≤0.030 | ≤0.040 | 22.0 ~ 25.0 | 12.0 ~ 14.0 | ≤0.75 | ≤0.75 |
Example value | 0.068 | 1.73 | 0.75 | 0.008 | 0.014 | 24.30 | 13.50 | 0.019 | 0.005 |
Deposited metal mechanical properties
Diameter (mm) | Rm (N / mm 2 ) | A (%) |
guarantee value | ≥550 | ≥25 |
Example value | 620 | 33 |
Reference current (AC, DC + )
Electrode diameter (mm) | φ2.5 | φ3.2 | φ4.0 | φ5.0 |
Welding current (A) | 80 ~ 130 | 120 ~ 160 | 180 ~ 240 | 240 ~ 280 |
Precautions:
1. Before welding electrode to be baked at 300 ℃ 1h.
2. Before welding to remove weld rust, oil
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