Low Alloy Steel Welding Electrode
J607
GB/T E6015-D1
AWS E9015-D1
Description: J607 is a low-alloy high-strength steel electrode with a low-hydrogen sodium coating. Use DCEP (direct current electrode positive), and can be welded in all positions.
Application: Used for welding medium carbon steel and low-alloy high-strength steel structures of corresponding strength, such as Q420, etc.
Chemical composition of weld metal(%):
|
C |
Mn |
Si |
Mo |
S |
P |
|
≤0.12 |
1.25 ~ 1.75 |
≤0.60 |
0.25 ~ 0.45 |
≤0.035 |
≤0.035 |
Mechanical properties of weld metal:
|
Test item |
Tensile strength Mpa |
Yield strength Mpa |
Elongation % |
Impact value (J) -30℃ |
|
Guaranteed |
≥590 |
≥490 |
≥15 |
≥27 |
|
Tested |
620 ~ 680 |
≥500 |
20 ~ 28 |
≥27 |
Diffusion hydrogen content of deposited metal: ≤4.0mL/100g (glycerin method)
X-ray inspection: I grade
Recommended current:
|
（mm） Rod diameter |
2.0 |
2.5 |
3.2 |
4.0 |
5.0 |
5.8 |
|
（A） Welding Current |
60 ~ 80 |
70 ~ 90 |
90 ~ 120 |
140 ~ 180 |
170 ~ 210 |
210 ~ 260 |
Notice:
1. The electrode must be baked for 1 hour at 350℃ before welding operation;
2. It is essential to clean up rusty, oil scale, water, and impurities on welding parts before welding;
3. Use short arc operation when welding. The narrow welding track is proper.
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