SAF Safer NF 59 description: SAFER NF 59 is a basic coated MMA electrode for reliable, crack-free and tough welded joints on steels with a yield strength < 500MPa. The weld metal is of extremely high metallurgical purity, is ageing-resistant, retaining ISO-V
toughness to -60C. Very low hydrogen content. For applications with higher strength steels up to S(P) 500 and 16Mo3, FRO Mo could be used.