CORROSION RESISTANCE OF HASTEllOY®AllOYS - Haynes ...

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ISO<strong>CORROSION</strong> DIAGRAMS* HASTELLOY® Alloy C-276 Resistance to Sulfuric Acid with 200 ppm Chloride Ions 400 Corrosion rates in parentheses are in mm/year. 200 ~,. LL 0 w 0 ui a: ::> I-- « a: w a.. ::2: w I-- 350 -- Sulfuric Acid ___ Sulfuric Acid + 200 ppm CI- as NaCI o 300 150 I- « a: 100 ~ ::2: w I-- 150 100 ---------- -",, \, " 5 mpy " (0.13)-------'*' , ~~- "...... 5 mpy . _ - -- - ----------------.,. ---'(0.13) 50 o 10 20 30 40 50 60 70 CONCENTRATION, WEIGHT PERCENT 80 90 100 HASTELLOY® Alloy C-276 Effect of Ferric Ion Concentration on Corrosion Rate in Bolling 30% Sulfuric Acid 1,000 ,..-------.---------.------.----.----..--.-..--r-r--.,--.----.-----.----r-.---r-..---------.----.--.-----.----r----,-,r-r-T"l 400 200 it 100 ::2: ui « z o U5 o a: a: I-- - a: 40 -.-.-..........."'- =-__:e o o 10 4 6 8 10 20 40 6080100 200400 6008001,000 4 2 FERRIC ION CONCENTRATION, PPM •All test specimens were solution heat-treated and in the unwelded condition. 76
ISO<strong>CORROSION</strong> DIAGRAMS* HASTELLOY® Alloy C-22 Resistance to Sulfuric Acid Corrosion rates in parentheses are in mm/year. LL Boiling Point Curve 0 0 w 150 w 0 0 w W a: a: ::J ::J I- 250 I- 5.08) LL 0 w 0 W a: ::J 250 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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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: 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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