... The close proximity of the butt welds to the smelt spout openings and the main air port openings also indicates the corrosion might be because of molten flowing smelt, a system proposed by Falat [12] to explain the corrosion of 304L composite tubes at primary air port openings. Cracking http://buildingdemolition81232.jiliblog.com/21914732/the-single-best-strategy-to-use-for-composite-cladding-port-douglas