BW-307Si is a solid mig welding wire. Weld metal is 20%Cr-9%Ni-6%Mn.
Better weldability and puddle fluidity than 307HM.
Good crack resistance.
It is suitable for welding thick plates, rigid joints, dissimilar metals (carbon steel and stainless steel), high manganese steel and armour steel.
2075 – 0.9mm
2076 – 1.2mm
AS/NZS ISO 14343: A 18 8 Mn
AWS/ASME-SFA A5.9: ES307 (near equivalent).
Use Ar blend with 1~2%O2 for high current spray transfer welding .
Use Ar blend with 1~2%CO2 for low current, dip transfer welding.