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AWS A5.9: ER 307Si | EN ISO 14343-A: G 18 8 Mn Si StarBlaze MIG 307Si is a precision layer-wound solid wire designed for MAG welding of stainless and heat-resistant steels. It deposits a Cr-Ni-Mn alloyed weld metal (C-18Cr8Ni6Mn) and delivers excellent arc stability with a smooth bead appearance. Especially suited for welding dissimilar steels, including unalloyed to austenitic stainless, and hard-to-weld materials like ballistic and armour-grade steels. Compatible with short, spray, or pulsed arc welding using Ar+O₂ or Ar+CO₂ gas blends.- Pack Size: 12.5 kg and 15 kg spools (SD300/BS300)
- Diameters: 0.6 mm, 0.8 mm, 0.9 mm, 1.0 mm, 1.1 mm, 1.2 mm, 1.6 mm