CORROSION RESISTANCE OF HASTEllOY®AllOYS - Haynes ...

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
Ferric Sulfate 4 160-163 71-73 - E - - plus Fe2(S04h. H2S04to pH =2.5. Alloy C=0.3 mpy
Ferric Sulfate to 30 to 150 to 66 - E - -
Ferrous Ammonium - 212 100 - - E - 1390 gil
Sulfate
Ferrous Ammonium - 212 100 - - E - 695 gil
Sulfate
Ferrous Chloride 10 86 30 U E - - aeration, saturated.
Ferrous Chloride Satr. Soln. 275 135 G G - - in evaporator with 0.09 percent HCI. Alloy C=2.5 mpy
Ferrous Su Ifate Weak 450 232 U B - - plus traces of ferric sulfate and sulfuric acid. pH = 2.5-4.0 in
crystallization process. Alloy C=22 mpy
Ferrous Sulfate 5 65 18 U E - - Fe203 slurry. Alloy C=0.03 mpy
Ferrous Sulfate All to B.P. to B.P. S S - -
Ferrous Titanite 55 to B.P. to B.P. - E - - during digestion and evaporation - 45 percent ammonium fluoride
55 375 191 - E - -
Fertilizer, "Slurry mix" 6-12-18 30 -1 - E - E calcium acid phosphates, mono- and di-, approx. 21%, potassium
chloride 19%, ammonium nitrate 17%, water 30%, inert materials approx.
12%, largely insoluble. pH 6.5 to 7.5, moderate aeration
Fertilizer, "Slurry mix" 6-12-18 40 4 B E - E calcium acid phosphates, mono- and di·,- approx. 21%, potassium
chloride 19%, ammonium nitrate 17%, water 30%, inert materials approx.
12%, largely insoluble. pH 6.5 to 7.5, extensive aeration
Fertilizer, "Slurry mix" 14·7·7 25 -4 E E - E ammonium nitrate, 40%, calcium acid phosphate, mono- and di- approx.
12%, potassium chloride 11%, water 30%, inert materials approx. 12%,
largely insoluble. pH 3.5 to 4.5
Fertilizer, "Slurry mix" - 200 93 - G - B nitric acid, phosphoric acid, sulfuric acid, phosphate rock reactants.
Product: potassium chloride 9 to 18%; calcium acid phosphates, monoand
di- 6 to 14%; ammonium nitrate 6% to 14%. Water approx. 30%.
Inerts approx. 12%, mostly solubles, moderate aeration
Fibers 1 83 28 - E E E pH 5·6. Low concentrations of chlorides and sodium, trace chlorine diox-
(Hardwood or Pine)
ide. Kraft pulp bleaching; agitation 2 FPS; moderate aeration, total days
- 379
Flue Gas - 100 38 - E - E recirculating refuse incinerator scrubber water pH 6.1 ave., 1.8 min.,
11.2 max. inhibited with 121 ppm IN 120 and pH adjustment with NaOH,
moderate aeration
Flue Gas - 120 49 - E - E containing sulfur dioxide, 100·500 ppm, saturated, 62.5 days
Flue Gas - 130 54 - E - E containing sulfur dioxide, 100·500 ppm, 62.5 days
Flue Gas - 140 60 G S - S particulates and gaseous emission from aglass frit smelter. Gases contain
nitrogen oxide, fluorides, moderate aeration
Flue Gas - 150 66 - B B U wet flue gas (spool 5950) after H20 spray, scrubber slurry (CaS03) mainly,
also Ca(OHh or CaC03 plus CaS04 pH 3·12 during upsets
Flue Gas - 150 66 B E E S incinerator scrubber, municipal wastes, excess air added during incineration,
85 days
Flue Gas - 150 66 U E E E incinerator scrubber, municipal solid waste, excess oxygen added during
incineration, 85 days
Flue Gas - 150 66 B E - E
Flue Gas - 160 71 G E - S scrubbed fumes from garbage incineration. Hot flue gas and suspended
solids directly from furnace during bypass operation, extensive aeration
Flue Gas - 160 71 E - E E neutralized mixed effluent from quench chamber and scrubber - neutralized
with NaOH. pH about 6.0, 105 days, moderate aeration
Flue Gas - 160 71 U E E E mixed effluent from quench chamber and scrubber - unneutralized pH
3-5, excess air added during incineration, 85 days, moderate agitation
Flue Gas - 164 73 - E E E aeration
Flue Gas - 169 76 - E E E aeration present from higher excess air
Flue Gas - 170 77 - E E E from incineration of medicinal solid wastes and waste pathological animal
remains. pH partially controlled near 7 but ranges to 1 or 2, 74 days
E - Less than 2 mpy (0.05 mmly)
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 mmly)
U - More than 50 mpy (1.27 mmly)
B.P. -
Boiling Point
22