Nihonweld N-8018-C3 description: N-8018-C3 is a 1% nickel, low hydrogen, iron powder electrode used for welding high strength steels in the 70-80,000 psi tensile strength range. This electrode offers high deposition efficiency, producing excellent quality of weld weld deposits with good impact properties even at temperatures as low as -60C. N-8018-C3 is also used for fillet welds on high strength quenched and tempered steels such as ASTM A514 and A517. N-8018-C3 may be used in any position with AC or DC (reverse polarity).