The wire features minimal spatter and easy slag clean-up, qualities that are important for easy do-it-yourself E71-T GS is premium grade flux-cored wire for carbon steels, galvanized steels and zinc coated steels, 70S-6 is solid mild steel wire for single and multiple pass welding, and ER5356 aluminum wire has a high magnesium content which increases weld strength and decreases crack sensitivity.