DEGA SG3 (G4Si1)

Copper-coated MAG/MIG welding wire classified as EN ISO 14341-A G4Si1, with increased Mn/Si content. Designed for applications that demand clean weld bead appearance, good deoxidation and high mechanical properties.

Dega SG3 MAG Welding Wire – alternative spool view

Key Technical Specifications

Standard classification: EN ISO 14341-A – G 46 4 M G4Si1
Available diameters: 0.80 / 1.00 / 1.20 / 1.60 mm
Shielding gas: EN ISO 14175 M21 (Ar+CO₂); also suitable for 100% CO₂
Packaging options: 15 kg parallel-wound plastic spool / 250 kg drum
Wire design: Copper-coated solid wire with increased Mn/Si content
Typical applications: High strength general fabrication, heavy-duty fabrication and structural steel work

Technical Data Sheet (TDS)

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PDF • SG3 (G4Si1) Technical Data Sheet

Safety Data Sheet (SDS)

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PDF • SG2 / SG3 Safety Data Sheet

Declaration of Performance (DoP)

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PDF • Declaration of Performance (EU 305/2011)

Classification of the material according to the international spec.
AWS A5.18	ER70S-6
DIN 8559	SG3
EN ISO 14341-A	G 46 3 M21 4Si1

Typical chemical details (%)
C	0.06 – 0.14
Mn	1.60 – 1.90
Si	0.80 – 1.20

Mechanical properties of welded material as per EN ISO 14341-A (min.) The welding wire shall be used under M21 shielding gas for general-purpose applications.
Tensile Strength (Rm)	MPa	540 – 680
Yield Strength (Rp_0.2)	MPa	min. 460
Elongation	A₅ (%)	min. 22
Impact Toughness (KV, ISO-V)	J @ °C	min. 47 @ – 20 °C

Deposition Data
Diameter (mm)	0.80	1.00	1.20	1.60
Current (A)	70 – 210	90 – 310	130 – 350	220 – 410
Voltage (V)	18 – 23	18 – 28	18 – 30	24 – 34
Power source / polarity	CV – DCEP (DC+)	CV – DCEP (DC+)	CV – DCEP (DC+)	CV – DCEP (DC+)