
welding rod J421/E6013 2.5mm
Product Information
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Product Description
The use of : welding steel structure, especially suitable for thin small pieces and short welds of discontinuous welding and smooth surface cover welding.
Characteristics: J421 is a rutile type coating acid electrode. AC and DC, can be used for all position welding. The welding operation is good, the arc is stable, the arc is easy, the slag is easy, the weld is beautiful and the splash is small.


Welding position:PA,PB,PC,PD,PE,PF
Of deposited metal, chemical composition (mass fraction): %
|
project |
C |
Mn |
Si |
S |
P |
Ni |
Cr |
Mo |
V |
|
To ensure that the value of |
= 0.10 |
0.32-0.55 |
= 0.30 |
= 0.030 |
= 0.035 |
= 0.30 |
= 0.20 |
= 0.30 |
= 0.08 |
|
The value of cases |
0.08 |
0.37 |
0.18 |
0.020 |
0.025 |
0.030 |
0.035 |
0.005 |
0.004 |
Mechanical properties of deposited metal:
|
Item |
The tensile strength of Rm/MPa |
yield strength of Rel/Rp 0.2MPa |
elongation A/% |
Charpy V notch impact energy of KV2 (J) 0 C |
|
To ensure that the value of |
440-560 |
= 355 |
= 22 |
= 47 |
|
The value ofcases |
500 |
430 |
27 |
80 |
X - ray detection: II
welding current: (AC, DC)
|
electrode diameter (mm) |
2.0 |
2.5 |
3.2 |
4.0 |
5.0 |
5.8 |
|
welding current (A) |
40-70 |
50-90 |
80-130 |
150-200 |
180-240 |
220-280 |
Veritas certification:
|
ship inspection agency |
ABS |
BV |
CCS |
DNV |
GL |
LR |
NK |
|
recognition level |
2 |
2 |
2 |
2 |
2 |
2m |
KMW2 |
EU certification:
|
certification agency |
CPD-CE steel structurecertification |
|
type No. |
ISO 2560-A-E35 0 RA 12 |
Note:
general, before welding without baking electrode. When the welding rod is affected by the 150-170, the 0.5-1 will be used for the post welding.

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