E7010 Pipe Welding Electrode

E7010 Pipe Welding Electrode

E7010
GB：E5010-G
AWS：E7010-G
Current：Used for butt welding of circumferential seam on all kinds of carbon steel pipes, and also suitable for vertical downward welding on general carbon steel structures.

E7010

According with GB E5010-G
Corresponding with AWS E7010-G


Introduction: E7010 is a kind of vertical downward welding electrode with high cellulose natrium type coating. The arc has greater spray force. One-side welding with back formation. It has fewer slags, good slag detachability, beautiful ripples and high welding speed. The deposited metal has excellent mechanical properties, blowhole-resistance and crack-resistance. It is specially used for girth all-position vertical downward welding in pipeline workplaces. DCRP (Direct Current Reversed Polarity).


Uses: Used for butt welding of circumferential seam on all kinds of carbon steel pipes, and also suitable for vertical downward welding on general carbon steel structures.


Chemical Composition of Deposited Metal (%)
Chemical Composition
C
Mn
Si
S
P
Mo
Guarantee Value
≤0.20
0.4~0.6
≤0.2
≤0.035
≤0.040
~0.40

Mechanical Properties of Deposited Metal
Test Item
Rm(MPa)
ReL或Rp0.2(Mpa)
A(%)
KV2(J)
Guarantee Value
≥490
≥400
≥20
≥27(-30℃)
General Result
500~620
410~480
20~26
50~100

X-ray Radiographic Inspection: ⅡDegree

Reference Current (DC+)
Electrode Diameter(mm)
φ3.2
φ4.0
Welding Current (A)
80~100
110~130

Instructions:
1.The electrodes should be used as soon as they are unsealed. No need to bake. If the electrodes are affected with damp, they must be baked under 80℃ for 1.5 hours.
2.The stains on the weldments, such as rust, oil stains, moisture, etc., must be cleared away before welding.
3.When welding, the current should not be too strong, and electrode weaving should not be too wide.

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