AWS A5.17 F7A0-EH14 submerged-arc welding wire
TEMO MCJH10Mn2/TM.SJ101, GB/T 5293 S49A2UFB-SU34
Certification Authority: ABS, BV, CCS, DNV, NK, LR, KR, CE
Description:
F7A0-EH14 is a non alloy steel submerged arc welding wire used in conjunction with fluxes TM.SJ101, TM.SJ101Q, and HJ431. The weld metal has excellent mechanical properties.
Diameters: Packaging:
2.0mm, 2.5mm, 3.2mm, 4.0mm, 5.0mm 25kg, 250kg, 350kg, 500kg, 1000kg
Applications:
Mainly used for welding carbon steel and low-alloy steel of corresponding strength grades, such as 16Mn, 14MnNb, etc.
Chemical Composition of Deposited Metal (wt.%):
C | Mn | Si | Cr | Ni | Cu | S | P | |
AWS | 0.1-0.20 | 1.70-2.20 | ≤0.10 | -- | -- | ≤0.35 | ≤0.03 | ≤0.03 |
GB/T | ≤0.12 | 1.50-1.90 | ≤0.07 | ≤0.20 | ≤0.30 | ≤0.35 | ≤0.03 | ≤0.03 |
Example value | 0.09 | 1.85 | 0.05 | 0.01 | 0.01 | 0.07 | 0.012 | 0.016 |
Mechanical Properties of Deposited Metal:
Tensile strength /MPa | Yield strength /MPa | Elongation /% | Impact J/℃ | ||
AWS | 480-660 | ≥400 | ≥22 | ≥27/-20 | |
GB/T | 490-670 | ≥390 | ≥18 | ≥47/-20 | |
Example value | 535 | 442 | 29 | 120/-20 | 80/-40 |
Weld X - ray Flaw Detection: GradeⅠ
Recommended welding parameters:
Diameter (mm) | φ3.2 | φ4.0 | φ5.0 |
Voltage/(V) | 28-32 | 28-32 | 28-32 |
Current/(A) | 480-520 | 530-570 | 580-620 |
Notes:
1. Before welding, impurities such as rust, oil stains, and moisture must be removed from the welded parts.
2. Before use, the weld flux should be baked at 300-350℃ for 1-2 hours, and the height of the weld flux stack should not exceed 5cm during baking.
3. If the weld flux is left bare for more than 4 hours before welding, it needs to be baked again.
4. The welding parameters can be adjusted according to the on-site conditions.
