Avesta 254 SFER description: AVESTA 254 SFER is a fully austenitic Mn and N-alloyed Cr-Ni-Mo electrode similar to AWS E310MoL. The electrode is designed for welding ASTM S31050 and similar types of high corrosion resistant steels for use in applications producing for example synthetic fertilisers, nitrophosphates, ammonium nitrate and nitric acid.