Weld G3Si1

Weld G3Si1 is a copper‑coated solid MIG wire for GMAW of general structural and engineering unalloyed and low‑alloy carbon‑manganese steels. It can be used with a gas mix or pure CO₂ shielding gas.

Key Features

• Optimized chemistry for reduced post‑weld rework
• Available in a family of bulk drum sizes (Marathon Pac system)
• Excellent feeding performance for high‑speed welding and long feed distances

Specifications

• Classifications: EN ISO 14341‑A G 38 2 C1 3Si1, EN ISO 14341‑A G 42 3 M21 3Si1, EN ISO 14341‑A G 3Si1, SFA/AWS A5.18 ER70S‑6
• Approvals: CE EN 13479, DB 42.039.39, UKCA EN 13479, VdTÜV 13038
• Alloy Type: Carbon‑manganese steel (Mn/Si‑alloyed)
• Shielding Gas: M21, C1 (EN ISO 14175)
• Tensile (As Welded): Yield 470 MPa, Tensile 560 MPa, Elongation 26 %
• Charpy Impact (As Welded, –30 °C): 70 J
• Typical Composition (%): C 0.078, Mn 1.46, Si 0.85
• Deposition Data (example 1.0 mm): 80‑250 A, 18‑30 V, 2.7‑13.0 m/min, 1.0‑4.8 kg/h

Applications

• Structural steel fabrication
• Engineering components made from low‑alloy carbon‑manganese steel
• General‑purpose MIG welding in workshops and manufacturing settings