Minghua E71T-GS is a self-shielded flux cored welding wire designed for single-pass welding of mild and carbon steel without an external shielding gas. It is suitable for portable wire-feed welding, outdoor repair, light fabrication and general workshop applications. Available wire diameters, operating parameters and packaging can be supplied according to the confirmed product specification.
Stable Arc, Less Spatter and fume, goodlooking welding bead and slag easy to remove
Good weldablity with good impact value.
You can find more flux core welding wire types at Minghua, your trusted welding consumables China supplier.
| Category | AWS standard | Chemical compostition of deposited metal(wt%) | ||||||||||
| C | Mn | Si | Cr | Ni | Mo | P | S | V | Cu | Fe | ||
| CO2 Gas Shield | E71T-1C | 0.12 | 1.75 | 0.9 | 0.2 | 0.5 | 0.3 | 0.03 | 0.03 | 0.08 | 0.35 | - |
| Self-shielded | E71T-11 | 0.04 | 1.3 | 0.22 | 0.02 | 0.01 | 0.01 | - | - | - | - | - |
| E71T-GS | 0.035 | 0.5 | 0.11 | 0.01 | 0.01 | 0.01 | - | - | - | - | - | |
E71T-GS and E71T-11 are both self-shielded flux cored wires that do not require external shielding gas, but they are intended for different welding applications.
| Comparison | E71T-GS | E71T-11 |
| Shielding Gas | Not required | Not required |
| Typical Application | Thin-gauge steel, light fabrication and general repair | General fabrication, assembly welding and selected structural applications |
| Weld Passes | Commonly used for single-pass welding | Commonly used for single- or multiple-pass welding |
| Material Range | Mild steel and selected galvanized steel applications | Mild steel, carbon steel and selected low-alloy applications |
| Welding Environment | Portable, outdoor and general workshop welding | Workshop, field fabrication and applications requiring broader welding capability |
| Selection Basis | Manufacturer’s TDS, wire diameter and intended use | AWS classification, welding procedure and project requirements |
E71T-GS is generally selected for thinner materials, light fabrication and short general-purpose welds. Because the performance requirements of E71T-GS may vary by manufacturer, buyers should confirm the polarity, welding positions, pass limitations and mechanical properties in the current product data sheet.
E71T-11 is normally considered when the application requires multiple weld passes or a broader fabrication range. The permitted material thickness, welding positions and mechanical properties must still be verified for the selected wire and approved welding procedure.
For a more detailed comparison of pass limitations, welding applications and selection factors, read our E71T-GS vs E71T-11 flux cored wire guide.
Choose E71T-GS for light, general single-pass welding. Consider E71T-11 when multiple passes or broader fabrication capability is required. Always follow the manufacturer’s TDS and the approved welding procedure.
What is E71T-GS welding wire?
E71T-GS is a self-shielded carbon steel flux cored welding wire commonly used for general single-pass welding. It does not require an external shielding gas and is suitable for portable wire-feed welding equipment.
Does E71T-GS require shielding gas?
No. E71T-GS is a self-shielded flux cored wire, so the flux ingredients inside the wire generate the shielding needed during welding. An external gas cylinder is normally not required.
What polarity is used for E71T-GS wire?
E71T-GS is commonly used with direct current electrode negative, also called DCEN. However, users should always confirm the recommended polarity on the product label or current technical data sheet.
What is E71T-GS wire used for?
E71T-GS is typically used for mild steel repair, light fabrication, sheet-metal work, farm equipment and general workshop welding. It is useful for outdoor or mobile applications where external shielding gas is inconvenient.
Is E71T-GS suitable for multi-pass welding?
E71T-GS is generally selected for single-pass applications. For multiple-pass welding, buyers should consider a suitable E71T-11 wire or another classification that meets the required welding procedure and mechanical properties.
Can E71T-GS weld galvanized steel?
E71T-GS may be used for selected galvanized steel applications, depending on the material thickness, coating condition and welding procedure. The zinc coating should be handled with appropriate ventilation and safety controls.
What is the difference between E71T-GS and E71T-11?
Both wires are self-shielded, but E71T-GS is commonly used for light, general single-pass welding. E71T-11 generally offers a broader application range and may be suitable for multiple-pass welding. Read our E71T-GS vs E71T-11 flux cored wire guide for a detailed comparison.
What wire diameters and spool sizes are available?
Available wire diameters, spool weights and packaging options depend on the current production specification. Contact Minghua to confirm available sizes, carton quantities and bulk-order packaging.
How should E71T-GS welding parameters be selected?
Current, voltage and wire-feed speed should be adjusted according to the wire diameter, material thickness, joint design, welding position and machine characteristics. Use the manufacturer’s recommended parameters as starting values.
What information is required for an E71T-GS quotation?
Please provide the required wire diameter, spool weight, order quantity, destination country, base material and welding application. Minghua can then confirm the available specification, packaging and quotation.
