E7015-1 carbon steel welding rods

GB：E5015-1
AWS：E7015-1
Current：Used for welding key carbon steel and low-alloy steel structures.

Introduction: J507H is a kind of super low hydrogen carbon steel electrode with low-hydrogen natrium type coating. DCRP (Direct Current Reversed Polarity). All-position welding. The diffusible hydrogen content of the deposited metal is extremely low, and it has excellent plasticity, low temperature impact toughness and crack-resistance. It has stable arc, fewer spatters, good slag detachability and beautiful appearance of weld.

Uses: Used for welding key carbon steel and low-alloy steel structures.

Chemical Composition of Deposited Metal (%)

Chemical Composition

C

Mn

Si

S

P

Ni

Mo

Cr

V

Guarantee Value

≤0.12

≤1.60

≤0.75

≤0.035

≤0.040

≤0.30

≤0.30

≤0.20

≤0.08

Mechanical Properties of Deposited Metal

Test Item

R_m(MPa)

R_eL(Mpa)

A(%)

KV₂(J)

Guarantee Value

≥490

≥400

≥22

≥27(-46℃)

General Result

520~560

≥410

28~34

80~200

Diffusible Hydrogen Content in Deposited Metal: ≤1.5ml/100g(Glycerine Hydrogen Test)

X-ray Radiographic Inspection: ⅠDegree

Reference Current (DC+)

Electrode Diameter(mm)

φ3.2

φ4.0

φ5.0

Welding Current (A)

80~140

110~210

160~230

Instructions:
1.The electrodes must be baked under 300~350℃ for an hour before welding and used as soon as baking is completed.
2.The stains on the weldments, such as rust, oil stains, moisture, etc., must be cleared away before welding.
3.When welding, short arc must be used and stringer bead is suitable.

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E7015-1 carbon steel welding rods

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