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HydroFluoric acid

Corrosion rates in Hydroflouric Acid (HF)

Corrosion rates in Hydroflouric Acid (HF)

AlloyNotesConcentration, %TemperatureTimeCorrosion RateRef
  CFmm/yrmils/yr
316 3 21 70 1.25 49.1 1
316 5 21 70 2.33 91.8 1
316 5 40 104 7.8 306 1
316 1 50 122 1.82 71.8 1
316 2 50 122 5.3 209 1
316 5 50 122 15.9 626 1
904L 3 21 70 0.125 4.9 1
904L 5 21 70 0.18 7.2 1
904L 5 40 104 0.73 28.8 1
904L 1 50 122 0.23 9.2 1
904L 2 50 122 0.71 28 1
904L 3 50 122 0.85 33.5 1
904L 4 50 122 1.36 53/5 1
904L 5 50 122 1.82 71.6 1
904L 1 70 158 0.99 39 1
904L 2 70 158 2.0 80.2 1
904L 3 70 158 3.31 130 1
AL-6XN 3 21 70 0.08 3.2 1
AL-6XN 5 21 70 0.20 8.0 1
AL-6XN 5 40 104 0.82 32.4 1
AL-6XN 1 50 122 0.10 4.1 1
AL-6XN 2 50 122 0.43 16.9 1
AL-6XN 3 50 122 0.98 38.4 1
AL-6XN 4 50 122 1.42 55.9 1
AL-6XN 5 50 122 2.0 78.7 1
AL-6XN 1 70 158 0.54 21.1 1
AL-6XN 2 70 158 1.98 78 1
AL-6XN 3 70 158 3.05 120 1
C-276 2 70 158 0.23 9 7
C-276 5 70 158 0.25 10 7
C-22 2 70 158 0.23 9 7
C-22 5 70 158 0.36 14 7
625 2 70 158 0.51 20 7
625 5 70 158 0.41 16 7
400 saturated with air 25 30 86 24hr 1 37 17
400 saturated with air 25 80 176 24hr 0.28 11 17
400 saturated with air 50 30 86 24hr 0.2 8 17
400 saturated with air 50 80 175 24hr 1 39 17
400 purged with nitrogen 25 30 86 48hr 0.005 0.2 17
400 purged with nitrogen 25 80 176 48hr 0.061 2.4 17
400 purged with nitrogen 50 30 86 48hr <0.003 <0.1 17
400 purged with nitrogen 50 80 176 48hr 0.01 0.5 17