AWS A5.1 E7024 Welding electrode
TEMO CJ501FeZ , GB/T 5117 E5024
Certification Authority: CCS, LR, NK, ABS, BV, DNV, KR
Description:
E7024 is a high-efficiency gravity welding electrode with a combination of rutile and iron powder coating, suitable for both AC and DC applications, with a deposition efficiency of 180%. It has excellent welding process performance, suitable arc, and easy arc initiation.
Diameters: Packaging:
3.2mm, 4.0mm, 5.0mm 0.5kg, 1kg, 2kg,2.5kg,4kg, 5kg etc.
Applications:
Mainly used for welding corresponding strength grades of carbon steel and low-alloy steel. Suitable for flat welding and flat fillet welding positions.
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 | ≤1.25 | ≤0.90 | ≤0.035 | ≤0.035 | ≤0. 30 | ≤0.20 | ≤0.30 | ≤0.08 |
Example value | 0.067 | 0.75 | 0.43 | 0.023 | 0.016 | 0.008 | 0.026 | 0.005 | 0.016 |
Mechanical Properties of Deposited Metal:
Tensile strength /MPa | Yield strength /MPa | Elongation /% | Impact J/℃ | |
AWS | ≥490 | ≥400 | ≥17 | -- |
GB/T | ≥490 | ≥400 | ≥16 | -- |
Example value | 520 | 430 | 27 | 75 |
Weld X - ray Flaw Detection: GradeⅠ
Recommended welding parameters(AC or DC﹢):
Diameter /mm | φ3.2 | φ4.0 | φ5.0 |
Current /A | 120-150 | 160-200 | 220-250 |
Notes:
1. The welding electrode must be baked at 150℃ for 1 hour before welding.
2. The welding surface should be cleaned of impurities such as rust, oil and moisture.
