A269 e koahela ka bobeli tjheseletsa le seamless letheba bakeng sa ditshebediso tse akaretsang kapa tse hlokang ho hanyetsa kutu le tshebediso e tlase kapa e phahameng ya mocheso ho kenyeletswa 304L, 316L le 321. A249 e tjhesetswa feela mme e sebediswa bakeng sa ditshebediso tsa mocheso o phahameng (boiler, mochini o futhumatsang mocheso).