Description:
W607 is a low hydrogen sodium type coating of Ni-containing low temperature steel electrode, DC reverse, all-position welding. Deposited metal at -60 ℃ still has good impact toughness.
use:
Welding -60 ℃ low temperature steel structure, such as 13MnSi63, 09MnNiNb, E36 and so on.
Deposited metal chemical composition (%)
C | Mn | Si | S | P | Ni | |
guarantee value | ≤0.10 | ≤1.60 | ≤0.90 | ≤0.035 | ≤0.035 | 0.50 ~ 1.20 |
Example value | 0.060 | 1.38 | 0.21 | 0.005 | 0.015 | 0.85 |
Deposited metal mechanical properties (620 ℃ × 1h)
Pilot projects | Rm (N / mm 2 ) | ReL (N / mm 2 ) | A (%) | KV 2 (J) -60 ° C |
guarantee value | ≥490 | ≥400 | ≥20 | ≥27 |
Example value | 550 | 460 | 29 | 100 |
X-ray inspection:
I level
Reference current (DC + )
Electrode diameter (mm) | φ2.0 | φ2.5 | φ3.2 | φ4.0 | φ5.0 |
Welding current (A) | 40 ~ 70 | 60 ~ 90 | 90 ~ 120 | 140 ~ 180 | 170 ~ 210 |
Precautions:
⒈ welding electrode to be 350 ~ 400 ℃ baking 1.5h, with baking with the use.
⒉ weld before welding must be removed rust, oil, water and other impurities.
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