CORROSION RESISTANCE OF HASTEllOY®AllOYS - Haynes ...
CORROSION RESISTANCE OF HASTEllOY®AllOYS - Haynes ...
CORROSION RESISTANCE OF HASTEllOY®AllOYS - Haynes ...
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Type<br />
316<br />
Concen- Temperature HASTELlOY~ alloy Staintration,<br />
less<br />
Corrosive Media percent deg. F deg. C 8/8-2 C/C-276 G/G-3 Steel Conditions<br />
Sulfated Oils - 125 52 E - - - 5 percent H2S0 4 , NaCI and Na2S04<br />
Sulfonation of Fats - 70 21 G E - E sulfonations of castor, soya, sperm and red oils, mineral oil and various<br />
and Oils<br />
other fatty acids, fats and oils with 96 Baume H2S0 4 , pH 1-4_ Moderate<br />
aeration, agitation - 84 rpm turbine.<br />
Sulfonation 98 248 120 G B - U sulfuric acid 98%, ammonia anhydrous, or sodium hydroxide 33%, for·<br />
maldehyde, moderate aeration<br />
Sulfonation Reactions - 176-320 80-160 - B - - sulfuric acid 98%, ammonia anhydrous, or sodium hydroxide 33%, formaldehyde,<br />
moderate aeration<br />
Sulfonation Acid (Spent) - 272 133 - G G U 11 days below liquid level<br />
Sulfonation Acid (Spent) - 341 172 - B G B 8 days below liquid level<br />
Sulfonation Acid (Spent) - 392 200 - G E E 10 days below liquid level<br />
Sulfonation Acid (Spent) - 392 200 - G G S start - 25% pet. S03, 6% HFS03, 3% 12, 3% HI, 63% H2S04. End - 6%<br />
HFSO J , 4% 12, 3% HI03and 87% H2S0 4 , 56.5 days<br />
Sulfonation Acid (Spent) - 482 250 - G E G 28 days below liquid level<br />
Sulfonic Acid 50 60-250 16-121 B - - - plus 45 percent solvent naphtha, 5 percent water and trace of H2S0 4 at<br />
bottom of still<br />
Sulfur - 74-284 23-140 - E - - plus some H2S0 4 , H2S, S02, H2S03and water vapor in melting tank. Sam·<br />
pie half in vapor, half in liquid. Alloy C=0.52 mpy<br />
Sulfur - 850 454 - G - - plus selenium. 11.7day test, 7.8 days of boiling. Alloy C=2.8 mpy (liquid)<br />
5.1 mpy (vapor)<br />
Sulfur, Molten - 775 412 - E - -<br />
- 300·315 149-157 G* E* - - *plus aerated water at pH of 1.5 to 3.5, 11·day test period in surface pipe<br />
line between well and gathering station. Alloy C=0.9 mpy.<br />
- 284-302 140·150 - E - - 6·day test period<br />
- 265-295 129-146 S S - - agitated, plus air and impurities including sulfuric acid, and ferric sulfate.<br />
Tested up to 12 days<br />
Sulfur Dioxide 0.077 220 104 - E - - balance H20. Alloy C=0.19 mpy<br />
Sulfur Dioxide 1.8 55 13 G E - - in sea water plus 1.7 percent NaC!. Alloy C=0.6 mpy<br />
Sulfur Dioxide 3.6 106·118 41·48 - E - - about one-half saturated with spray water in scrubber tower. Alloy C=0.2<br />
mpy<br />
Sulfur Dioxide 4-5 185-200 85-93 - E - - plus selenious acid mist and some sulfuric acid in slimes boiling kettle.<br />
Alloy C=0.9 mpy<br />
Sulfur Dioxide 4.7-5.0 70 21 U E - - plus 3.4 percent calcium bisulfite in sulfite acid settling tank. Alloy C=0.1<br />
(by volume)<br />
mpy<br />
Sulfur Dioxide 5 200·500 93·260 - E - - plus 15 percent° 2 , balance N2(dew point 125 percent). In gas offtake<br />
wet windbox. Alloy C=0.8 mpy<br />
Sulfur Dioxide 5 400 204 - G - - in nickel convertor. Alloy C=2.6 mpy<br />
Sulfur Dioxide 10 85·95 29-35 U E - - saturated with water in bottom of scrubber. Recycle liquor containing<br />
125·135 52·57 U G - - H2S0 4 in range of 0.30·0.75 percent. Alloy C=0.1 mpy (90°F), 3 mpy<br />
(130°F)<br />
Sulfur Dioxide 18 500-700 260·371 - E - - plus 3 percent O2, trace S03 and moisture. Alloy C=0.1 mpy<br />
Sulfur Dioxide - 60 16 - E - - plus S20/ in compressor condensate for alkylation unit. Alloy C=0.03<br />
mpy with less than 1.0 mil pitting.<br />
Sulfur Dioxide - 115-170 46-77 G E - E gas up to 1.5% S02 aeration<br />
Sulfur Dioxide - 125 52 - E E E 1000 ppm chloride, 2000 ppm fluoride, some S03 and pH 3, 800 ppm<br />
S02, 15% H20, 12% CO2, 68% N2, 5% ° 2, moderate aeration<br />
Sulfur Dioxide - 130 54 - - E E in gas stream with spray from cooling tower containing H 2 S0 3 , aeration<br />
Sulfur Dioxide - 131 55 U* S - B ·specimen corroded away or was lost, aeration, 5% S02, 3% S03, 7%° 2 ,<br />
balance N2saturated with water. Possible splashing with solution containing<br />
1.3 gil Cu, pH 6<br />
Sulfur Dioxide - 132 56 U E - E in flue gas from NO.6 fuel oil, shale dust, water<br />
Sulfur Dioxide - 140 60 - G E E S02 100-2000 ppm, H2S0 4 100-500 ppm, balance wet air, heavy loading<br />
H20 droplets, containing Ca salts and ore dust<br />
Sulfur Dioxide - 140 60 - - E E in gas stream with spray from cooling tower containing H 2 S0 3 , aeration<br />
E - Less than 2 mpy (0.05 mm/y)<br />
G- 2 mpy (0.05 mm/y) to 10 mpy (0.25 mm/y)<br />
S - Over 10 mpy (0.25 mm/y) to 20 mpy (0.51 mm/y)<br />
B - Over 20 mpy (0.51 mm/y) to 50 mpy (1.27 mm/y)<br />
U - More than 50 mpy (1.27 mm/y)<br />
51