OEM E71T-GS--- flux cored welding wire Supplier, Factory

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OEM E71T-GS--- flux cored welding wire Supplier, Factory

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Product Description

APPLICATIONS & FEATURES

● Versatile Welding: AWS 5.20 E71T-GS is an all-position, self-shielded flux-cored wire specifically designed for single pass fillet and lap welding.

● Thin Material Specialist: Ideal for galvanized or carbon steel as thin as 20 gauge without the risk of burn-through.

● Portable Convenience: Commonly used on small portable 110-volt welding machines, offering smooth arc action with minimal spatter.

● High Efficiency: Features fast travel speed, excellent penetration, and easy slag removal. No shielding gas is required.

● Optimized Polarity: Use of DC straight polarity (DCEN) minimizes burn-through risks and provides higher deposition efficiency compared to stick electrodes.

SAFETY NOTE: As with all self-shielded wires, E71T-GS contains fluoride compounds. Zinc oxide formed during welding must not be inhaled (can cause metal fume fever). Ensure adequate ventilation, especially when welding indoors or in enclosed areas.

SPECIFICATIONS

Shielding Gas: Gasless (Self-Shielded)

Chemical Composition of Deposited Metal (%)
Item	Mn	Si	P	S	Al	Ni	Mo	Cr	C	V
Standard	≤1.75	≤0.60	≤0.03	≤0.03	≤1.80	≤0.50	/	/	/	/

Item	Yield Point (MPa)	Tensile Strength (MPa)	Elongation (%)	Charpy V-notch Impact Toughness
Item	Yield Point (MPa)	Tensile Strength (MPa)	Elongation (%)	Test Temp.(°C)	Impact Energy(J)	Average(J)
Standard	≥400	≥480	≥20	/	/	/

OPERATING PARAMETERS

Size (mm)	Voltage Range (V)	Current (DC-) (A)	Wire Feed Speed
0.8 MM	16~18V	100~160A	30~60
0.9 MM	16~19V	100~170A	30~65
1.2 MM	16~20V	120~200A	35~70

AVAILABLE DIAMETERS

Dia. (mm)	0.8	0.9	1.0	1.2
Dia. (inch)	0.030''	0.035''	0.040''	0.045''

PACKAGING DETAILS

📦 Weight Options: Available in 1kg or 5kgs per spool.

📦 Protection: Precision winding with heat shrinkable film, securely packed in sturdy cartons for transport.

FREQUENTLY ASKED QUESTIONS

Q: Does AWS 5.20 E71T-GS require external shielding gas? A: No, this is a self-shielded (gasless) flux-cored wire, making it ideal for outdoor use or portable applications.

Q: What is the recommended polarity for E71T-GS? A: It is designed for use with DC straight polarity (DCEN - Electrode Negative) to minimize the risk of burn-through on thin materials.

Q: Can this wire be used for multi-pass welding? A: E71T-GS is primarily designed for single-pass applications, especially on thin gauges of galvanized and mild steel.

Q: Is it suitable for welding galvanized steel? A: Yes, it is excellent for galvanized steel as thin as 20 gauge. However, ensure proper ventilation due to zinc fumes.

Q: What are the main benefits of using this gasless wire? A: Key benefits include high travel speeds, smooth arc action, full slag coverage with easy removal, and the ability to weld in windy conditions without gas loss.

Q: What machine can I use with this wire? A: It is highly compatible with small, portable 110-volt or 220-volt MIG/Flux-core welding machines.