E551T1-W2C
Description:
E551T1-W2C is a type of CO 2 gas-protected weathering steel flux-cored wire with excellent welding performance, arc stability, easy slag removal, beautiful weld appearance and high welding efficiency. It is suitable for both horizontal and horizontal welding. , Deposited metal has excellent resistance to atmospheric corrosion.
use:
A tensile strength of 550N / mm 2 grade weathering steel welding, such as welding steel railway vehicles, offshore engineering, bridges and the like.
Deposited metal chemical composition (%) (shielding gas: CO 2 )
| C | Si | Mn | S | P | Ni | Cr | Cu |
guarantee value | ≤0.12 | 0.35 ~ 0.80 | 0.50 ~ 1.30 | ≤0.030 | ≤0.030 | 0.40 ~ 0.80 | 0.45 ~ 0.70 | 0.30 ~ 0.75 |
Example value | 0.05 | 0.40 | 1.14 | 0.014 | 0.016 | 0.45 | 0.50 | 0.38 |
Deposited metal mechanical properties (shielding gas: CO 2 )
Pilot projects | Rm (N / mm 2 ) | ReL / Rp 0.2 (N / mm 2 ) | A (%) | KV 2 (J) -30 ° C |
guarantee value | 550 ~ 690 | ≥470 | ≥19 | ≥27 |
Example value | 610 | 540 | 27 | 90 |
Reference current (DC + )
Wire diameter (mm) | Welding current (A) | Welding voltage (V) | Gas flow rate (L / min) |
φ1.2 | 120 ~ 300 | 22 ~ 30 | 15 ~ 25 |
φ1.4 | 150 ~ 350 | 23 ~ 32 | 15 ~ 25 |
φ1.6 | 180 ~ 400 | 24 ~ 34 | 15 ~ 25 |
Precautions:
1 welding workpiece should be degreasing, rust treatment.
2. Welding, the gas flow is generally 20 ~ 25L / min.
3 flux cored welding, dry elongation should be 15 ~ 25mm.
4 wire warehouse humidity should be maintained at less than 60%
5 non-vacuum packaging wire storage time should not exceed six months, vacuum packaging wire storage time should not exceed one year.
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