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 />
Sodium Chloride 15 160·170 71-77 E E - - 1030 hrs.<br />
Sodium Chloride 18 176 80 - E - - plus 10 percent MgCI2. Allox C=0.1 mpy<br />
Sodium Chloride 20 165 74 - E - - NaCI brine, 73 days, severe pitting, severe attack under spacer<br />
Sodium Chloride 20 190 88 - B - - saturated with C12, 28 days, severe attack under spacer<br />
Sodium Chloride 20 200 93 - B - - saturated with C12, 204 days, perforated<br />
Sodium Chloride 20 205 96 - U - - saturated with CI2, 40 days, perforated<br />
Sodium Chloride 24 140 60 G - - - plus 2 percent isopropanol and NaOH added to keep pH =10. Alloy B=2<br />
mpy (vapor) 4 mpy in liquid<br />
Sodium Chloride 26 80 27 - E - E satruated brine<br />
Duration of test - 447 days<br />
Aeration - extensive<br />
Agitation - rapid<br />
Type of test - field<br />
Sodium Chloride 26 80 27 - E - G saturated brine, traces calcium chloride and calcium sulfate, pH 6.8· 7.0,<br />
extensive aeration<br />
Sodium Chloride 35 158 70 - E E E in water plus undesignated amines and a small amount of sodium carbonate.<br />
Sodium Chloride 35 85·195 29·91 - - E E in water plus undesignated amines and a small amount of sodium carbonate.<br />
Sodium Chloride 98 140 60 E - - - plus 2 percent methyl alcohol. pH adjusted to 10 with NaOH<br />
Sodium Chloride Saturated 220 104 B E G B plus acid, oxidizing impurities, pH about 6, 272 hrs.<br />
Sodium Chloride - 70 21 - E - - saturated NaCI brine, 208 days<br />
Sodium Chloride - 85 29 - E - E assorted concentration NaCI liquor containing MgS04, KCI, MgCI2,<br />
moderate aeration<br />
Sodium Chloride - 86 30 - E E E NaCI liquor containing MgS04 KCI, MgCI2, moderate aeration<br />
Sodium Chloride - 131 55 U E - - plus sulfonated waxes, pH =5-8. Alloy C=0.1 mpy<br />
Sodium Chloride - 135 57 - E - - saturated NaCI brine, 125 days<br />
Sodium Chloride - 140 60 - E - - saturated NaCI brine, 169 days<br />
Sodium Chloride - 158-165 70-74 - E - - NaCI = 320 grams/liter, NaOH = 0.1 grams/liter, Na2C03 = 0.6<br />
grams/liter, Na2S04 =8.0 grams/liter. Alloy C=0.02 mpy<br />
Sodium Chloride - 160 71 - E - - saturated NaCI brine, 163 days<br />
Sodium Chloride - 187-191 86-88 - E - - sodium chloride brine. Liquid phase.<br />
Sodium Chloride - 191 88 - E - -<br />
Sodium Chloride - 210-255 99-124 - E - - assorted concentrations NaCI brine, pH approx. 7.5, liquid phase. Impurities:<br />
1.6-16 gm/I CaCI2; 15-100 gm/I CaS04; 0.2-20 gm/I MgCI2,<br />
moderate aeration<br />
Sodium Chloride - 221-227 105-108 - E - - sodium chloride brine. Liquid phase.<br />
Sodium Chloride - 225 107 - E - - saturated brine containing 5-15% NaCI, aeration<br />
Sodium Chloride - 227 108 - E E -<br />
Sodium Chloride - 230-250 110-121 - E - - saturated NaCI brine<br />
Sodium Chloride - 240 116 - E - - NaCI brine saturated<br />
Sodium Chloride - 240-242 116-117 - E - - saturated brine (NaCI), aeration<br />
Sodium Chloride - 250-255 121-124 - E - - saturated sodium chloride brine, pH 8.5-10.0, with small amounts of:<br />
sodium sulfate, magnesium sulfate, magnesium chloride, sodium carbonate,<br />
sodium hydroXide, extensive aeration<br />
Sodium Chloride - 255 124 - E E - saturated sodium chloride brine, pH 8.5-10, with small amounts of<br />
sodium sulfate, magnesium sulfate, magnesium chloride, sodium carbonate,<br />
sodium hydroxide, extensive aeration<br />
Sodium Chloride - 255 124 - E E - NaCI Brine, pH approx. 7.5. Impurities: 1.6-16 g/I CaCI 2 , 15-100 g/I<br />
CaS04, 0.2-20 g/I MgCI2, 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 />
47