CORROSION RESISTANCE OF HASTEllOY®AllOYS - Haynes ...

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Type 316 Concen- Temperature HASTELLOY~ alloy Staintration, less Corrosive Media percent deg. F deg. C 8/8-2 C/C-276 G/G-3 Steel Conditions Potassium Bisulfite - 130 54 - E - E about 50% water; pH 6.5 to 4.5, moderate aeration Potassium Bisulfite - 145 63 S E - E about 50% water; pH 6.5 to 4.5, aeration Potassium Bromide 75 180 82 - E - - plus potassium bromate, KOH, Br2' trace of iron. Alloy C= 1.1 mpy Potassium Carbonate All to B.P. to B.P. S S - - 100 1500 816 S - - - Potassium Chloride 10 to B.P. to B.P. S S - - 20 125 to B.P. 52 to B.P. S - - - 28 150 66 E* E - - *during manufature of electrolytic potassium hydroxide 28 175 79 ~ - - - 28 B.P. B.P. B - - - Potassium Chloride 10 220 104 - E - E concentrated brine in KCI, 20% CaCI2(extraction pilot plant; some iron chloride present as contaminant) Potassium Chloride 10 230 110 - E E E plus 20% calcium chloride (some iron chloride present as contaminant), slight aeration Potassium Chloride 99 325 163 E E E E* sodium chloride 1%, acetic acid Ouration of test - 93 days Aeration - extensive Agitation - extensive Type of test - field Process involved - anti-caking treatment of fine granular KCI *stress-corrosion cracked Potassium Chloride 99 325 163 - E - E sodium chloride 1%, solid, acetic acid vapor, water vapor, amine acetatewater emulsion was added to salt mixture, extehsive aeration Potassium Chloride - 85-105 29-41 - E - E saturated KCI-NaCI brine with small amounts of MgCI2and H20. Possible traces of copper. Potassium Chloride - 95 35 - E E E saturated KCI-NaCI brine Potassium Chloride - 195-198 91·92 - E - S saturated KCI·NaCI brine with small amounts of MgCI2and H20. Possible traces of copper. Potassium Chloride - 196 91 - E G S saturated KCI-NaCI brine with small amounts of MgCI2and H20. Possible traces of copper. Potassium Chloride Brine - 140 60 - E - - KCI = 325 grams/liter, KOH = 2 grams/liter, K2C0 3 = 0.2 grams/liter. Alloy C= 0.002 mpy Potassium Chloride - Saturated 85-105 29·41 - E E E small quantity of MgCI2and H2S. 113 days, agitation .1 to .3 fps Sodium Chloride Brine Potassium Chloride - Saturated 196 91 - E G S small amounts MgCI2and H2S. 42 days, agitation .1 to .3 fps Sodium Chloride Brine Potassium Chloride - Saturated 200 93 - - E E impurities MgS04, CaS04, MgCI2, 36 days Sodium Chloride Brine Potassium Chromate 10 75 24 E E - - Potassium Cyanide 10 75 24 S - - - Potassium Dichromate 10 100 38 - S - - 15 100 38 - S - - 25 100 38 - S - - Potassium Ferrocyanide 5 75 24 S - - - Potassium Ferricyanide 10 75 24 S - - - 30 75 24 S - - - Potassium Hypochlorite 50 200 93 E E - - plus 50 percent NaOH. Alloy C= 0.03 mpy Potassium Hypochlorite All to B.P. to B.P. - S - - Potassium Hydroxide 10 to B.P. to B.P. S S - - 20 to B.P. to B.P. S S - - 30 to B.P. to B.P. S S - - 40 to B.P. to B.P. S S - - 50 to B.P. to B.P. S S - - 60 B.P. B.P. S - - - 90 to 125 to 52 S - - - Potassium Hydroxide 20 203 95 - E - - in isopropanol and isopropanol solution of hexachlorpentadiene. Alloy C= 0.09 mpy E - Less than 2 mpy (0.05 mm/y) G- 2 mpy (0.05 mm/y) to 10 mpy (0.25 mm/y) S - Over 10 mpy (0.25 mm/y) to 20 mpy (0.51 mm/y) B - Over 20 mpy (0.51 mm/y) to 50 mpy (1.27 mm/y) U - More than 50 mpy (1.27 mm/y) B.P_ - Boiling Point 38
Type 316 Concen- Temperature HASTELlOY~ alloy Staintration, less Corrosive Media percent deg. F deg. C 8/8-2 C/C-276 G/G-3 Steel Conditions Potassium Hydroxide 40 Room Room - E - - Potassium Iodide - 203 95 - E - - in preparation of KI by neutralizing iron iodide (40 0 Be. pH = 2) with K2C0 3 . Max. pit = 0.001. Alloy C
Page 1 and 2: OUR NEW NAME Haynes International,
Page 3 and 4: COMPARATIVE CHEMICAL COMPOSITIONS,
Page 5 and 6: 'A~0~A~~ Alloy / q,~ "'.>~~~Cfj 0.5
Page 7 and 8: Type 316 Concen- Temperature HASTEL
Page 9 and 10: Type 316 Concen- Temperature HASTEl
Page 37: Type 316 Concen- Temperature HASTEL
Page 43 and 44: Type 316 Coneen- Temperature HASTEl
Page 61 and 62: ( Type 316 Concen- Temperature HAST
Page 63 and 64: ISOCORROSION DIAGRAMS· HASTELLOY®
Page 65 and 66: ISOCORROSION DIAGRAMS* HASTELLOY®
Page 69 and 70: ISOCORROSION DIAGRAMS· r HASTELLOY
Page 71 and 72: PHOSPHORIC ACID ISOCORROSION DIAGRA
Page 75 and 76: ISOCORROSION DIAGRAMS· HASTELLOY®
Page 79 and 80: ACETIC AND FORMIC ACIDS Acetic and
Page 81 and 82: EFFECT OF TEMPERATURE ON PITTING RE
Page 83 and 84: CREVICE-CORROSION DATA IN 10% FERRI
Page 85 and 86: CORROSION RESISTANCE OF HAYNES® AL
Page 87 and 88: TYPICAL PENETRATION RATES IN CORROS

CORROSION RESISTANCE OF HASTEllOY®AllOYS - Haynes ...

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