Description
Weld Star – CF3 (G4Si1) Wire (1.2mm) 18kg
Weld Star CF3 (G4Si1) is a non-copper coated solid wire designed for welding unalloyed and low-alloyed carbon-manganese steels. This environmentally friendly wire offers reduced fumes and smoke compared to traditional copper wires. With a higher Si-Mn content, it ensures increased weld metal strength and a commendable bead appearance. The wire is suitable for both semi-automatic and full-automatic GMAW applications and is known for its good mechanical properties even at sub-zero temperatures. Packaged in a vacuum-sealed plastic bag to prevent moisture absorption, it also features an alignment hole clip for smooth feeding. The green wire is produced using virgin raw materials, ensuring consistent quality and reliability.
Features and Benefits:
- Environmentally Friendly: Reduces fumes and smoke compared to traditional copper wires.
- Superior Weld Quality: Higher Si-Mn content ensures a good bead appearance and increased weld metal strength.
- Versatile: Suitable for both semi-automatic and full-automatic GMAW applications.
- Cold Resistant: Maintains good mechanical properties even at temperatures as low as -40ºC.
- Moisture Protection: Comes in a vacuum-sealed plastic bag packaging.
- Smooth Feeding: Fitted with an alignment hole clip.
- Consistent Quality: Produced using virgin raw materials from specialized steel mills.
Common Applications:
- Boilers and Industrial Machinery
- Bridges and Shipbuilding
- Automotive and Rail
- Structural and Engineering Fabrications
Typical Base Materials
S185, S235, S275, S355 – Grade A, B, D, AH32 to DH36 – L210, L240, L290, L360, L240NB, L290NB, L360NB, L360QB, L240MB, L290MB, L360MB, L415MB – X42, X46, X52, X60 – P235T1, P235T2, P275T1 – P275T2, P355N – P235GH, P265GH, P295GH, P355GH – S275, S355, S420, S275M, S275ML, S355M, S355ML, S420M, S420ML S460, P460, S460ML*
* Illustrative, not exhaustive list
| Standards |
| EN ISO 14341-A – G 42 3 C1 / G 46 4 M21 4Si1 |
| AWS A5.18 – ER 70S-6 |
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| Chemical Composition % (Typical) | |||||
| C% | Si% | Mn% | P% | S% | Cu% |
| 0.08 | 0.95 | 1.70 | <0.020 | <0.020 | 0.010 |
| Cr% | Ni% | Mo% | Al% | V% | Zr+Ti% |
| <0.15 | <0.15 | <0.050 | <0.020 | <0.030 | <0.15 |
| Mechanical Properties (Typical) |
||
| Shielding Gas | C1 | M21 |
| Tensile Strength | 570 MPa | 590 MPa |
| Yield Strength | 460 MPa | 490 MPa |
| Elongation | 36% | 28% |
| Impact Strength | 58 J | 88 J |
| Test Temperature | -30ºC | -40ºC |
Mechanical properties are approximate and may vary based on the heat, shielding gas, welding parameters and other factors.
| Welding Parameters | ||
| Ømm | Current (A) | Voltage (V) |
| 0.80 mm | 60-200 | 18-24 |
| 1.00 mm | 80-300 | 18-32 |
| 1.20 mm | 120-380 | 18-34 |
Shielding Gases
EN ISO 14175 – C1, M21
Welding Positions
EN ISO 6947 – PA, PB, PC, PD, PE, PF, PG
| Packaging Data | |||
| Diameter |
Weight | Spool | Pallet Qty |
| 0.80 mm
1.00 mm 1.20 mm |
15 Kg
18 Kg 18 Kg |
BS300
BS300 BS300 |
72
56 56 |
Liability:Â Whilst all reasonable efforts have been made to ensure the accuracy of the information contained, this information is subject to change without notice and can be only considered as suitable for general guidance.
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