Bohler EAS 4 M-UP description: SAW wire/flux-combination for multi-pass welding of stainless steel grades like 1.4435 / 316L. Smooth beads, easy slag removal without any slag residues and good welding characteristics even for fillet welds are very much appreciated by users. Suited for service temperatures from -120°C to +400°C. BOHLER BB 202 is a fluoride-basic agglomerated flux providing low flux consumption and a low hydrogen weld metal. For information regarding this sub-arc welding flux see our detailed data sheet.