AWS A5.1 E7015 Welding electrode
TEMO CJ507 , GB/T 5117 E5015 ISO2560-A-E 42 3 B 2 2 H10
Certification Authority: CCS, LR, NK, ABS, BV, DNV, KR, RINA, CE
Description:
E7015 is a non alloy steel welding rod with alkaline coating, which adopts DC reverse connection and can be welded in all positions. It has excellent plasticity, toughness, and crack resistance.
Diameters: Packaging:
2.0mm, 2.5mm, 3.2mm, 4.0mm, 5.0mm 0.5kg, 1kg, 2kg,2.5kg,4kg, 5kg etc.
Applications:
Mainly used for welding carbon steel and low-alloy steel for important structures of corresponding strength grades. Widely used in fields such as ships, marine engineering, pressure vessels, bridges, pipelines, etc.
Chemical Composition of Deposited Metal (wt.%):
C | Mn | Si | P | S | Ni | Cr | Mo | V | |
AWS | ≤0.15 | ≤1.25 | ≤0.90 | ≤0.035 | ≤0.035 | ≤0. 30 | ≤0.20 | ≤0.30 | ≤0.08 |
GB/T | ≤0.15 | ≤1.60 | ≤0.90 | ≤0.035 | ≤0.035 | ≤0. 30 | ≤0.20 | ≤0.30 | ≤0.08 |
Example value | 0.075 | 1.20 | 0.51 | 0.015 | 0.012 | 0.027 | 0.027 | 0.028 | 0.017 |
Mechanical Properties of Deposited Metal:
Tensile strength /MPa | Yield strength /MPa | Elongation /% | Impact J/℃ | ||
AWS | ≥490 | ≥400 | ≥22 | ≥27/-30 | |
GB/T | ≥490 | ≥400 | ≥20 | ≥27/-30 | |
Example value | 550 | 440 | 27 | 130/-30 | 120/-20 |
Weld X - ray Flaw Detection: GradeⅠ
Diffusion hydrogen content of deposited metal:≤10ml/100g (chromatographic or mercury method)
Recommended welding parameters( DC﹢):
Diameter /mm | φ2.5 | φ3.2 | φ4.0 | φ5.0 | |
Current /A | Flat/horizontal welding | 70-110 | 100-140 | 140-180 | 180-230 |
Vertical/upward welding | 50-80 | 80-110 | 130-170 | -- | |
Notes:
1. The welding electrode must be baked at 350-400℃ for 1 hour before welding.
2. Before welding, impurities such as rust, oil stains, and moisture must be removed from the welded workpiece.
3. During welding, it is advisable to use short arc operation and narrow weld bead.
