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 Formaldehyde 10 220 104 - E - - plus traces of formic acid, calcium formate, and glycols, 87-day test in 10 243 117 - E - - bottom of fractionating tower. 87-day test at center of tower. Formaldehyde 12-15 275 135 - G - - plus 2 percent formic acid, 2 percent various alcohols, aldehydes and resins. Alloy C= 7 mpy Formaldehyde 20 to B.P. to B.P. S S - - 50 to B.P. to B.P. S S - - 70 to B.P. to B.P. S S - - 100 to B.P. to B.P. S S - - Formaldehyde 20 275 135 - E - - plus 10·15 percent volatiles (ethanol, acrolein, acetone) and 0.1 percent formic acid, 7l-day test with agitation and no aeration. Formaldehyde 40 122 50 - E - - plus 10 percent methanol and 0.01 percent formic acid, 28-day test with moderate agitation and aeration. Alloy C = 0.04 mpy Formic Acid 2 300 149 - E - - plus 0.5·1.5 percent formaldehyde, resins, higher glycols. Alloy C= 0.4 mpy Formic Acid 10 214 101 G - - G immersed, 96 hrs. Formic Acid 10 - - - G - - Formic Acid 10 150 66 G E - - 20 150 66 G E - - 40 150 66 G E - - 60 150 66 G E - - 85 150 66 E E - - Formic Acid 25 B.P. B.P. G G - - Alloy C = 8.1 mpy Formic Acid 50 217 103 S - - B immersed, 96 hrs. Formic Acid 84 230 110 - E - - Formic Acid 88·90 217 103 E - - S immersed, 96 hrs. Furfural 25 B.P. B.P. S* - - - *plus one percent acetic acid and one percent formic acid and atrace of 100 75 24 S - - - acetaldehyde and CO2 Furfural Residue - 100 38 B - - - plus 40 percent H20, 3-4 percent H2S04, traces acetic and formic acids. Gallic Acid 10 B.P. B.P. - S - - 100 B.P. B.P. S S - - Gas - 100 38 - E - E 0.1 to 8.3% S02; 0.006% S03; 80% saturated, possible entrained sodium bisulfite solution; pH 4, extensive aeration Gas, Exhaust - 100 38 - E - E exhaust air, saturated with water and containing chlorinated solvents and other organic compounds, considerable aeration Gas, Exhaust - 142 62 - E - E gas up to 1.5% S02; 0.006% S03; 2 mg/5CF H2S04 mist, 0 to 80% saturated; spray water ·0.2 to 0.3% S02, 1.5 pH, extensive aeration Gas, Exhaust - 235 113 - E - E vapor - wet S02; approx. 90% H20; 10% S02 by weight; pH of condensed vapor = 1.5 Gaseous Stream - 170-187 77-86 - - E E principally N2• aeration, 23 ppm HlO4 Gaseous Stream - 284 140 - - - S containing 75·80% N2, 4.5-5.0% O2• 10-12% P20 5 , 3-15% H20 and asmall amount of H3P04 mist, extensive aeration Gaseous Stream - 302 150 - - E E containing 75·80% N2, 4.5-5.0% O2, 10·12% P20 5 , 3-15 %H20 and asmall amount of H3P04 mist, aeration Gasoline 100 325 163 E E - - straight run, crude, etc. in liquid and vapor phases. 630 A.P.I., 105 psig Gasoline - 140-225 60·107 E - - - low end· point containing HCI Gasoline - 200-375 93-191 E - - - high end·point containing HCI Gelatin Solution 20-30 90·125 32·52 S - - - plus some NaCI, CaS04, CaCI2. HCI at pH = 1 Glutamic Acid - 75 24 E - - - saturated, plus NaCI at a pH of 12 Glutamic Acid, Crude - 75 24 - G - - some H202. Alloy C= 2.9 mpy Glutamic Acid, Crude - 176-194 80·90 - E - - plus H202 pH = 1.8. Alloy C= 1.3 mpy Glutaric Acid - 210 99 - G - U* 143 hrs., lab test, production of glutaric anhydride. *5 mpy in vapor, 61 mpy in liquid 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 24
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 Glycerine 100 75 24 E E - - Glyoxal 30·35 266 130 G G - S 1%formic acid; 2% glycolic acid; 3% formaldehyde; 10% ethylene glycol, 505 hrs., lab test, glyoxal stripping system Hexamine 25·30 140 60 - E - - plus 0.5 percent methanol, 0.5 to 2.0 percent formaldehyde, O·OJ percent NH J pH =11. Alloy C=0.02 mpy Hexamine 20 140 60 - E - - 30 140 60 - E - - 40 130 54 - E - - 80 140 60 - E - - Hexamine 80 140 60 - E - - plus 0.1 percent formaldehyde, 0.1 percent NH J . Alloy C=OJ mpy Hexane Vapor - 257 125 - E - - low boiling vapor from tall oil plus 0.3 percent S02, 5 percent H20. 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 23: 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
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ISOCORROSION DIAGRAMS· HASTELLOY®
Page 77 and 78:
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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