CORROSION RESISTANCE OF HASTEllOY®AllOYS - Haynes ...

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Type 316 Concen- Temperature HASTELlOY3 alloy Staintration, less Corrosive Media percent deg. F deg. C 8/8-2 C/C-276 G/G-3 Steel Conditions Sulfuric Acid 85 77 25 - E - - saturated with chlorine, lab test Sulluric Acid 85·94 95 35 S S G U 6·15% HF, 130 days Sulfuric Acid 85 122 50 - E - - saturated with chlorine, lab test Sulfuric Acid 86 - - G E E E hydrofluoric acid 10%, water 4% Sulfuric Acid 87 60 16 - E - E 79 days, saturated with CI2 Sulfuric Acid 87 Ambient Ambient - E - E C12, 3 days, lab test '. Sulfuric Acid 87 60 16 - E* - E* saturated with CI2, 79 days, *wrought - E** - E** **welded - E*** - - ***welded and annealed Sulfuric Acid 87 80 27 - E - - saturated with chlorine. Alloy C=0.2 mpy Sulfuric Acid 87 158 70 - E - E saturated with air, 66 days, 4.1 ft./sec. flow rate Sulfuric Acid 90 60 16 G E E E hydrofluoric acid 7%, water 3% Sulfuric Acid 90 to 125 to 52 E - - - plus 9 percent acetic anhydride in liquid and vapor phases Sulfuric Acid 93 68·140 20·60 E - - - plus peanut oil, corn oil, alkyl benzene, sulfuric acid monohydrate. Sulfuric Acid 93 78-94 26-34 - E - - plus animal grease in sulfonation tank. Alloy C=0.7 mpy Sulfuric Acid 94 80 27 E E G B 6%, HF, 130 days Sulfuric Acid 96 Ambient Ambient - E - - C12, 132 days Sulfuric Acid 96 77 25 - E - - saturated with chlorine, lab test Sulfuric Acid 96 80-118 27·48 - E - - during quick sulfonation of vegetable oils. Final solution is 5-10 percent aqueous solution of fatty acids and acetic anhydride. Alloy C=0.4 mpy Sulfuric Acid 96 122 50 - E - - saturated with chlorine, lab test Sulfuric Acid 98 60·215 16-102 - B - - plus sodium nephathanate to 3 0 Be. Alloy C=44 mpy Sulfuric Acid 98 64-106 18·41 E - - - plus 1 percent acetic anhydride. Alloy B=0.2 mpy in vapor, 0.7 mpy in liquid Sulfuric Acid 98 70·302 21-105 - B - - in sulfonation. Alloy C=22 mpy (liquid). 30 mpy (vapor) Sulfuric Acid 98 275 135 B B E - 2% HF, 130 days Sulfuric Acid Cone. 100·160 38·71 E G - - plus anhydrous HCI. Alloy C=2.1 mpy Sulfuric Acid 6.0M Boiling Boiling - U - - 24 hrs., processes for the aqeuous reprocessing of spent fuel elements. Sulfex and Thorex processes Sulfuric Acid - 120 49 - - E E produced from electrolysis of sodium sulfate solution. Product of S02 scrubbing. 1.0 N H 2 S04with 17% Na2S04, 218 days Sulfuric Acid - 338 170 - B U U 20% by volume of 50% H2S04- 50%, HNO) added to H20 and heated to 200 deg. Cfor 18 hrs. then cooled and exposed in 16.5% NaOCI at 170 deg. C Sulfuric Acid - 338 170 - B S B 20% by volume of 50% H 2 S04, 50%, HNO) added to H 2 0 and heated to 200 deg. C for 18 hrs. then cooled and later dried at 170 deg. Cin 10% CI02 Sulfuric Acid - 392 200 - B B B 20% by volume of 50% H2S04- 50%, HNO) added to H 2 0 and heated to 200 deg. C for 18 hrs. then cooled and exposed in 20% by vol. of 50% HNO). 50% HCI04 added to H20 and heated to 200 deg. C for 12 hrs. Sulfuric & Acetic Acids Dilute 325 163 - E E E 263 days Sulfuric Acid Fumes - 80-230 27-110 G - - - during manufacture of superphosphate. The fumes from mixture of fluoride phosphate rock and H2SO4. Sulfuric Acid Mist - 200 93 B G G G containing 8% O2, traces of S02, moderate aeration Sulfuric Acid Mixtures 0·4 143 62 - E - E gas up to 1.5% S02, 0.005% SO), 2mg/scf H2S04mist, extensive aeration Sulfuric Acid Mixtures 10-20 175 79 - E - G sulfuric acid 10%, chromic acid 3%, in deionized water Sulfuric Acid Mixtures 21-50 121-176 49·80 - G - U sulfuric acid 28%, hydrofluoric acid 5.9% (pickling bath for silicon steels)_ Sulfuric Acid, 40 Room Room - E - - Alloy C=0.97 mpy Saturated with 54 Room Room - E - - Alloy C=0.69 mpy Chlorine 61 Room Room - E - - Alloy C=0.17 mpy 72 Room Room - E - - Alloy C=0.89 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) 96 Room Room - E - - Alloy C=0.32 mpy - M - Molar t - percent P20 S 56 - -
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 Sulfuric Acid Sludge 10·15 150·200 66·93 G - - - in large volume of oil. Sulfuric Acid Sludge 16·22 180 82 S - - - Sulfuric Acid Sludge 80·98 190 88 S S - - Sulfuric Acid Vapors - 200 93 B E - - plus 2 percent air. 5 percent CS2, 0.2 percent H2S, 93 percent H20. Alloy C =0.2 mpy Sulfuric Acid Vapors - 60·120 16·49 E - - - plus H2S in two stage neutralizer vented in atmosphere Sulfurous Acid All to B.P. to B.P. - S - - Sulfuryl Chloride 100 70 21 - G - - plus trace water. Alloy C=2 mpy Superphosphate Dust - to 325 to 163 E E - - over exhaust stack containing H3P04, H2S04, H2SiF 6 air and moisture. Alloy C=0.3 mpy Superphosphoric Acid 94.8 340 171 G G G S wet process (as ortho acid). Total P20 S 68.54%; ortho P20 S 51.08%; Fe203 =2.30%; S04 =2.19%; AI203=1.92%; F=0.33%. Concentration gradually reduced to 80% H3P04 (54% P2O S ) Superphosphoric Acid - 155 68 - - E E wet process. P20 S 70.5%, (Hl04 equivalent 97.3%), S04 4.78%, Al203 3.05%, Fe203 1.67%, MgO 1.11%, Si020.72%, CaO 0.44%, F 0.25% Superphosphoric Acid - 400 204 - B - - wet process acid, concentrating to 70% P2O S • Tall Oil 1 200 93 - E - - plus 0.5-1.0 percent H2S04, 2·3 percent lignin in acid discharge line. (by volume) Alloy C=0.2 mpy Tall Oil - 300 149 G E - - during successive esterifications, amidizations and sulfurizations in high· temperature reactor. Alloy C=0.1 mpy liquid and vapor phases Tall Oil - 300·550 149·288 G E - - during successive esterifications, amidizations, and sulfurizations of tall oil, 421 hours (liquid and vapor phase) Tall Oil - to 554 to 290 S* E* - - *and its glycerolesters, amids and sulfurized products (liquid and vapor 100 550·650 288·343 - E - - phases) Tanning Liquor - 75 24 - E - - 40 percent chestnut extract, 30 percent bisulfated quebracho, 30 percent hemlock liquor Tar Acid - 212·392 100·200 - E - - plus benzoic acid, H2S04, Na2S04, at pH =4 for 11 days then 76 days with tar acids containing Na2S04, Na2C03 at pH =8, 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 43 and 44: Type 316 Coneen- Temperature HASTEl
Page 55: Type 316 Concen- 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
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