YJ621K2-1
Description:
YJ621K2-1 is a titanium dioxide CO 2 gas shielded flux cored wire with excellent welding performance, soft and stable arc, small spatter, easy slag removal and beautiful appearance of the weld. All-position welding, high welding efficiency. Weld metal by the toughening of trace elements, above -40 ℃ still has excellent low temperature toughness, good crack resistance.
use:
For 620MPa low alloy high strength steel structure welding, widely used in lifting machinery, bridges, storage tanks, steel structures and other important structures of the welding.
Deposited metal chemical composition (%) (shielding gas: CO 2 )
| C | Mn | Si | S | P | Ni | Cr | Mo | V |
guarantee value | ≤0.15 | 0.50 ~ 1.75 | ≤0.80 | ≤0.030 | ≤0.030 | 1.00 ~ 2.00 | ≤0.15 | ≤0.35 | ≤0.05 |
Example value | 0.05 | 1.60 | 0.39 | 0.008 | 0.010 | 1.35 | - | - | - |
Deposited metal mechanical properties (shielding gas: CO 2 )
Project | Rm (N / mm 2 ) | ReL / Rp 0.2 (N / mm 2 ) | A (%) | KV 2 (J) |
-20 ° C | -40 ℃ |
guarantee value | 620 ~ 760 | ≥540 | ≥17 | ≥27 | - |
Example value | 637 | 575 | 27 | 152 | 126 |
Deposited metal diffusion hydrogen content (mercury method): ≤ 10ml / 100g
Reference current (DC + )
Wire diameter (mm) | φ1.2 | φ1.4 | φ1.6 |
Current range (A) | Flat welding | 120 ~ 300 | 150 ~ 400 | 180 ~ 450 |
Upright welding, Yang welding | 120 ~ 260 | 150 ~ 270 | 180 ~ 280 |
Down the vertical welding | 200 ~ 300 | 220 ~ 300 | 250 ~ 300 |
Horizontal welding | 120 ~ 280 | 150 ~ 320 | 180 ~ 350 |
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.
related articles
The number of clicks:Update time:2017/12/26 18:37:29【print this page】