1. … This alloy has improved oxidation and corrosion resistance over an ER409 alloy. Single pass welds on light gage base metal or welds with … X10CrSi6, X10CrAlSi7, X10CrAlSi13, X10CrAlSi18 UNS S40300, S40500, S40900, S41000, S42900, S43000, S43035, S43036, S43100, S44200  AISI 403, 405, 409, 410, 429, 430, 430Cb, 430Ti, 439, 431, 442 … 430 Ti … A 5.9: ER439 …
  2. … not recommended for multi-pass applications … 1.4512,  X2CrTi12,  AISI 409, 409Ti  UNS S40940, S40900 … 409Nb Tig … A 5.9: ER 409Nb … 14343-B: SS 409 Nb …