E2209-16
Description:
E2209-16 is titanium calcium type ultra-low carbon duplex stainless steel welding rod, the deposited metal contains 40% -50% of ferrite, with excellent mechanical properties and corrosion resistance, especially with a reliable chlorine Chemical corrosion and high pitting corrosion resistance. Have a good welding process performance. AC and DC can be used.
use:
For welding ultra-low carbon 022Cr22Ni5Mo3N, SAF2205 duplex stainless steel.
Deposited metal chemical composition (%)
| C | Mn | Si | S | P | Cr | Ni | Mo | Cu | N |
guarantee value | ≤0.04 | 0.50 ~ 2.00 | ≤1.00 | ≤0.030 | ≤0.040 | 21.5 ~ 23.5 | 7.5 ~ 10.5 | 2.5 ~ 3.5 | ≤0.75 | 0.08 ~ 0.20 |
Example value | 0.032 | 1.20 | 0.69 | 0.012 | 0.021 | 22.75 | 9.34 | 3.00 | 0.10 | 0.13 |
Deposited metal mechanical properties
Pilot projects | Rm (N / mm 2 ) | A (%) |
guarantee value | ≥690 | ≥15 |
Example value | 790 | 28 |
Reference current (AC, DC + )
Electrode diameter (mm) | φ3.2 | φ4.0 |
Welding current (A) | 90 ~ 120 | 120 ~ 160 |
Precautions:
1. Before welding electrode to be about 300 ℃ baking 1.5h.
2. As far as possible the use of DC power supply, the current should not be too large.
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