CORROSION RESISTANCE OF HASTEllOY®AllOYS - Haynes ...

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ISO<strong>CORROSION</strong> DIAGRAMS· HASTELLOY® Alloy B-2 Resistance to Hydrochloric Acid with 500 ppm Ferric Ions 250 Corrosion rates in parentheses are in mm/year. - Boiling Point Curve 125 LL Over 200 mpy ,~ . 0 200 (Over 5.08) 0 'I I W W 0 0 W 200 mpy W a: (5.08) a: ::> ::> f- f- « 75 « a: a: w w (L (L ~ 150 50-200 mpy ~ w w f- (1.27-5.08) f- \ ---- \ 50 50 mpy (1.27) 100 10,000 4,000 0 10 20 30 40 CONCENTRATION, WEIGHT PERCENT HASTELLOY® Alloy B-2 Effect of Ferric Ion Concentration on Corrosion Rate of Alloy B-2 Corrosion rates in parentheses are in mm/year. Boiling 20% HCI 100 0 ---_ Boiling 30% H 2 SO J / >- 1,000 (L / ~ / w / f- / « a: 400 / z / 0 / en / 0 a: / a: / 0 0 / 100 / / ___1 ______ 50 mpy 40 -------- (1.27) 10 '---_--'-------l.---'---'---....1-.L--'--'---'---_--'-------l.-----l.---'---'--'---'--'---'---_--'-------l.-----l.---'---'--'-....L..l...J 1 2 4 6 8 10 20 40 6080100 200 400 600800 FERRIC ION CONCENTRATION, PPM •All test specimens were solution heat-treated and in the unwelded condition. 64
ISO<strong>CORROSION</strong> DIAGRAMS* HASTELLOY® Alloy B-2 Resistance to Hydrochloric Acid, Purged with Oxygen 250 Corrosion rates in parentheses are in mm/year. Boiling Point Curve 125 100 LL 0 (') 200 w 0 w 0 0 w W a: a: ~ ~ I-- I--
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OUR NEW NAME Haynes International,
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COMPARATIVE CHEMICAL COMPOSITIONS,
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'A~0~A~~ Alloy / q,~ "'.>~~~Cfj 0.5
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Type 316 Concen- Temperature HASTEL
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Type 316 Concen- Temperature HASTEl
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Type 316 Concen- Temperature HASTEl
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Page 63: ISOCORROSION DIAGRAMS· HASTELLOY®
Page 67 and 68: 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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