A002 Welding Electrode
A002 is an ultra-low carbon Cr19Ni10 stainless steel electrode with titanium-calcium type coating. The carbon content of the deposited metal is ≤0.04%. It has good resistance to intergranular corrosion and good welding process performance. The coating is red-resistant and has good strength. It has good porosity resistance and can be used in both AC and DC applications.
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Chemical composition of deposited metal
| Project | C | Cr | Ni | Mo | Mn | Si | P | S | Cu |
| Guaranteed value | ≤0.04 | 18.0-21.0 | 9.0-12.0 | ≤0.75 | 0.5-2.5 | ≤1.00 | ≤0.04 | ≤0.03 | ≤0.75 |
| Example | 0.029 | 19.6 | 9.6 | 0.08 | 0.94 | 0.73 | 0.028 | 0.010 | 0.10 |
Mechanical properties of deposited metal
| Project | Tension strengthRm/MPa | ElongationA（%） |
| Guaranteed value | ≥510 | ≥30 |
| Example | 578 | 41 |
Reference current
| Welding diameter（mm） | Φ2.5 | Φ3.2 | Φ4.0 | Φ5.0 |
| Welding length(mm) | 300 | 350 | 400 | 400 |
| Welding current（A） | 60~85 | 85~110 | 110~160 | 160~200 |
Features:
A002 is an ultra-low carbon Cr19Ni10 stainless steel electrode with titanium-calcium type coating. The carbon content of the deposited metal is ≤0.04%. It has good resistance to intergranular corrosion and good welding process performance. The coating is red-resistant and has good strength. It has good porosity resistance and can be used in both AC and DC applications.
Usage:
It is used for welding ultra-low carbon Cr19Ni10 stainless steel structures, and can also be used for 06Cr18Ni11Ti corrosion-resistant stainless steel structures with working temperatures below 300°C. It is mainly used in the manufacture of synthetic fibers, fertilizers, medical equipment, petroleum and other equipment.
Precautions:
The electrode must be baked at about 320-350℃ for 1 hour before welding. Rust, oil, moisture and other impurities on the weldment must be removed before welding. It is recommended to use a DC power supply. The current should not be too large to avoid redness and cracking of the drug skin.
