A number of stainless steels and the new alloy Ni-O-nel were tested in solutions 8N in HNO3 and 0.2N in chloride. Stainless steels Types 304L, 316, 309SCb, and 329 were all resistant to the liquid and hot vapor, but only Type 329 showed good resistance to the condensing vapors from these solutions. The resistance of this steel was about 1000 times as great as that of Types 304L, 316 and 309SCb. 4.3.4

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