Acetaldehyde 69 -33 365 B X B B B A Acetic Acid 244 109 800 X X C X X B C C Crude X C A/B B X B B A/B Pure X A B B A B A Vapors X C B X B B X 150 PSI, 400°F C B X B B Aerated X X X C X X X X X No Air X X C B X A B C
Descripción
Application Guide
Titanium
Hastelloy ® B
B
B
A
A
A
B
A
C
X
B
C
C
B
A
C C
A
A/B A/B
A
C C
A
C C
A A
C C A/B A
A A
C A/B B
X
B
B
Pure
X
A
B
B
A
B
A
A
Vapors
X
C
B
X
B
B
X
X
C
B
X
B
B
150 PSI, 400°F Aerated
X
No Air Acetone
134
0 1000
C
A
Quartz
Inconel ® 600
B
Incoloy ® 800
X X
Nickel 200
Type 20 Stainless Steel
X
B C
Monel ® 400
X
316 Stainless Steel
Crude
X
304, 321, 347 Stainless Steel
365 800
Lead
69 -33 244 109
Aluminum
Auto Ignition A.I. °F°
Cast Iron NI Resist
Flash Point F.P. °F°
Cast Iron Grey
Acetic Acid
B.P. °F°
Iron Steel
Acetaldehyde
Boiling Point
Ref. 138
Copper
Notes to Corrosion Guide 1. This solution involves a mixture of various chemical compounds whose identity and proportions are unknown or subject to change without our knowledge. Check supplier to confirm choice of sheath material plus alternate sheath materials that may be used. 2. Caution—Flammable material. 3. Chemical composition varies widely. Check supplier for specific recommendations.
Comments
Teflon ®
The Watlow Corrosion Guide represents a compilation of available data and application experience on the relative compatibility of common heater sheath materials and corrodants. This can be valuable in the initial selection of a heater sheath material to be used with a listed corrodant. Final selection, however, should be made based upon the specific exposure conditions, recommendations of the corrosive agent’s manufacturer and preliminary testing.
Graphite
Corrosion Guide
Corrodant
4. Direct immersion heaters not practical. Use clamp-on heaters on outside surface of cast iron pot. 5. Element surface loading should not exceed 3 W/cm2 (20 W/in2). 6. For concentrations greater than 15 percent, element surface loading should not exceed 3 W/cm2 (20 W/in2). 7. See suggested watt density chart. 8. Remove crusts at liquid level. 9. Clean often. 10. Do not exceed 2 W/cm2 (12 W/in2). 11. Passivate stainless steel, Inconel® and Incoloy®. Note: Blank spaces indicate an absence of data to establish a rating.
Rating System A—Good B—Fair C—Conditional—Performance is dependent upon specific application conditions such as solution concentration and temperature. X—Unsuitable—Should not be used.
Reference Data
A A Note 2 A A A
Hastelloy® C-276 Acceptable
C C
X
X
C
X
X
X
X
X
B
B
X
X
X
C
B
X
A
B
C
B
B
X
A
X
B
B
A A/B A
A
A
A
A
A A
A
A A
A A A Note 2
Actane™ 70
A A Note 1
TM: Enthone, Inc. Acid additive for pickling of metals.
Actane™ 80
A A Note 1
Actane™ Salt
A
Alboloy Process
Note 1
A
Alcoa™ R5 Bright Dip
A
A Note 1
TM: This is a proprietary process licensed to individuals by Alcoa.
Allyl Alcohol Alcohol
207
70
713
A B
B
A
B
A
B
A
A
A
A
A/B
B
A
A
A
A
B
A
A
A A A/B A A
A
A A A
A A
Note 2
CONTINUED Hastelloy® is a registered trademark of Haynes International.
144
Teflon® is a registered trademark of E.I. du Pont de Nemours & Company.
W
A
T
L
O
W
Application Guide
Alcorite™
Comments
Teflon ®
Graphite
Hastelloy ® B
Quartz
Titanium
Inconel ® 600
Incoloy ® 800
Type 20 Stainless Steel
316 Stainless Steel
304, 321, 347 Stainless Steel
Nickel 200
Monel ® 400
Lead
Copper
Aluminum
A.I. °F°
Cast Iron NI Resist
F.P. °F°
Cast Iron Grey
Auto Ignition
B.P. °F°
Iron Steel
Flash Point
Corrodant
Boiling Point
Reference Data
A
Note 1
TM: Fredrick Gumm Chemical Co. Aluminum conversion
A
A
Alkaline Cleaners
A
Alkaline Soaking Cleaners
X Note 1
A
Note 1
Alodine™
A
Note 1
TM: Amchem Products Inc. Protective coating chemical for aluminum.
200°F Aluminum (Molten)
A347 3732
A
Contact Factory
Aluminum Acetate
X
X
B
B
A
B
B
A/B
A
A
B
A
A
Aluminum Bright Dip Aluminum Chloride
A A
356
Aluminum Cleaners
X
X
X
X
X
X
X
X
X
X
X
X
X
C
C
X
X
X
A
A
A
A
B
A A
B
A
A Note 1
A A A Note 1 X
X
Hastelloy® C-276 Acceptable
Notes 1, 9
Aluminum Potassium Sulfate (Alum) Aluminum Sulfate
X
X
X A/B B
B
B
X
B/C
B
X
X
X
X
X
X
B
B
B
X
X
Alum
B
-28
1204
B
Cold
C
A
Hot
C
C
C
X
X
X
C
X
A
A
B
A
A
X
X
X
A
C B
A
X
X
X
A
A
A
A
A
A
A
A
A
A
C
C
A
A
A/B A/B A/B
X
Ammonia and Oil
A
Ammonium Acetate
A
B
B A/B X
X
A
A
Ammonium Bifluoride
X
X
X
X
X
X
Ammonium Chloride
B A/B X
640
Ammonium Hydroxide Ammonium Nitrate
A A A Note 1
A
A A
X
A
A A
A A
B
B
A A
X
X
B
X
X
A
X A A
A
A A A
X
X
X
B
X
X
X
B
B
X
C
C
C C
A
B
B
B
C
X
B
X
A
A
A A/B
A A
A
B/X X
C
B
X
X
X
X
A
A
A
X
X
X
B/X X
C
X
X
B/X
B
B
X
B
X
A A A
B
B
B
C
B
B
B B
A
B
A A
A
A
A
A A
A
A
X
X
Ammonium Sulfate
X
X
B
X
A A/B
A
A
B
C A/B
A
B A304 A/B A/B
A A A/B
B
B
B B
Amyl Acetate
298
77
714
B
Amyl Alcohol
280
91
572
A
B
Aniline
364 158 1418
B
A
A
X
B
X
X
X
B
A A
A
Hastelloy® C-276 Acceptable
A
Ammonium Persulfate
Aniline, Oil
A A B
See Aluminum Potassium Sulfate
Ammonia Ammonia (Anhydrous)(Gas)
X
A
Hastelloy® C-276 Acceptable
X A A A A A
A A
Hastelloy® C-276 Acceptable
A A A B
A A A
A
CONTINUED
145
Reference Data
coating. Alkaline Solutions
Application Guide
X
Comments
Teflon ®
X
Graphite
A
X
Hastelloy ® B
A
A
Quartz
X
Titanium
A
X
Inconel ® 600
A
Incoloy ® 800
X
Type 20 Stainless Steel
X
316 Stainless Steel
A
A
Anodizing
304, 321, 347 Stainless Steel
X
Nickel 200
X
Aniline, Dyes
Monel® 400
Lead
X
Copper
X
Aluminum
A.I. °F°
Cast Iron NI Resist
F.P. °F°
Cast Iron Grey
Auto Ignition
B.P. °F°
Iron Steel
Flash Point
Corrodant
Boiling Point
Reference Data
A A A
Anodizing Solutions (10% Solution) Chromic Acid 96°F Sulfuric Acid 70°F
C 626
Sodium Hydroxide 160°F 2534
A
A A
A A
A
A
A
A
A
Nigrosine 150°F Black Dye Nickel Acetate 200°F
C
A
B
A
B A A Note 1
Arp™ 28
TM: Specialty Chemicals, Allied-Kelite Products Div., The Richardson Co.
A
Arp™ 80 Blackening Salt Arsenic Acid
B
X
X
X
A A A
A
A
A A
A
A A A
B
B
A
B
B
A A
B
A A/B
B B
X
B
A A A
B
B
B
B B
A
B
A A A
A/B
B
B
X
X
X
X
X
A
X
X
X
X A/B A/B A
Barium Hydroxide
B
B
X
X
X
B
A
Barium Sulfate
B
B
B
B
B
B
B
X
X A/X A
2912
Aluminum
A.I. °F°
Cast Iron NI Resist
F.P. °F°
Cast Iron Grey
Auto Ignition
B.P. °F°
Iron Steel
Calcium Chloride
Flash Point
Corrodant
Boiling Point
Reference Data
B
B
B
X
B
B
B
X
B
B B
A
A
A A A
Hastelloy® C276 Acceptable
X
X
A
A
A
B
A
A
A/B A/B
A
A A
X
A
A
X X
Hastelloy® C-276 Acceptable
Carbon Dioxide–Wet Gas
X
X
C
A
X
B
A
A
A/B A/B A/B
A A
X
A
A
X X
Carbon Tetrachloride
X
X
C
X
C A
A
A
C
B
B
A A
A
A
A A A
C
C
X
C
C
A/B
B
A
B A
A
A A A
A/B A
A
A
A
A/B A/B
A
A A
A
A A A
A
A
362 175 1319
Carbonic Acid
359 175 1319
C
C
Castor Oil
595 445
A
A
A
A
840
Caustic Etch
X
X
C
Hastelloy® C-276 Acceptable
A
A
X
X
X
A
A A X X A A Notes 6, 8
Caustic Soda (Lye) (Sodium Hydroxide)
X
X
A
X
X
X
C
C
X
C
C
C B
C
2%
B
B
B
X
B
X
A
A
X
B
A
A A
A
10–30%, 210°F
B
B
A
X
B
X
A
A
A
A
A
A A
A
76%, 180°F
X
X
X
X
X
X
B
A
B
B
B
A A
B
Chlorine Gas: Dry
-30
X
X
B
X
X
X
B
C
C/X
C
B
C B B/X B
A B B Note 2
Wet
-30
X
X
X
X
X
X
X
X
X
X
X
X
A
372 None
X
X
X
X
X
B
B
X
X
X
X
C C
A
X A/X Note 2
Chloroacetic Acid (Monochloroacetic Acid)
A
A A A A
Chromic Acetate Chromic Acid
X
C
X
X
B
X
X
X
X
X
X
X
A
A A X
Chromium Plating
X
X
X
X
B
X
X
X
X
X
X
X
A
A A X
X
X
C C
C
X
B
B
C
C
B
B B
A
X
A
Chromylite Citric Acid Clear Chromate
A
B
B
A
Cobalt Plating
A
B B
A 420 Crude
B
Hastelloy® C276 Acceptable Note 1
Cobalt Nickel Coconut Oil
Note 1
A A A
A
Cobalt Acetate at 130°F
Hastelloy® C-276 Acceptable Note 1
A
Notes 1, 6
A
Note 1
A
Note 1
A
548 Refined Cod Liver Oil
412
A
A
A
A
A
A
A
A A
Copper Acid
A
Copper Bright
Note 1
Copper Bright Acid
A
Copper Chloride
X
X
Copper Cyanide
A
A
Copper Nitrate
X
X
Copper Plating
A
C/X X X
X
X
X
C
Copper Fluoborate X
X
X
X
X
X
X
X
C
X
B
B
B
X
X
B
B
B
B
B
B B
X
X
Copper Pyrophosphate
A/B A/B A/B
X
A
B
A A A
B
A A A
X
A A A
A A
X
A
Copper Strike
A
A
Copper Sulfate
X
X
Note 1
A B
X C/X A
X
X
B
Note 1 B A/B
C
X
A
B
A A A
Hastelloy® C276 Acceptable
CONTINUED
147
Reference Data
B
Carbon Dioxide–Dry Gas
Carbolic Acid (Phenol)
Application Guide
Type 20 Stainless Steel
C
C
C
X
B
B
B
A
A
C B
X
X
X
A
A
A
A
A
A A
C X
A
Comments
Teflon ®
316 Stainless Steel
B B
Graphite
304, 321, 347 Stainless Steel
B
B
Hastelloy ® B
Nickel 200
B
A
Quartz
Monel ® 400
B
637
Titanium
Lead
B
392 165
Inconel ® 600
Copper
B
A.I. °F°
Incoloy ® 800
Aluminum
X
F.P. °F°
Cast Iron Grey
B
B.P. °F°
Iron Steel
C
Auto Ignition
B
Flash Point
Creosote
Boiling Point
Corrodant
Cast Iron NI Resist
Reference Data
A Note 2
-482 Cresylic Acid (Cresol)
376 110
B
B
A A A Note 2
-397 Deionized Water Deoxidine™
Note 11 TM: Amchem Products, Inc.
A
Metal cleaner, rust remover Deoxylyte™
TM: Amchem Products, Inc.
A A
Deoxidizer (Etching) Deoxidizer (3AL-13) Dichromic Seal
X
A A
Note 1
474 255
444
B
A
Diphenyl 300°F–350°F
491 235 1004
A
A
A
B
B
A
B
B
A
A
A
A
A
A
A
A
B B
A
A
A
B
Non-Chrome
Note 1
TM: Diversey Chemical Co.
A A A B
B
A
A A
Diversey™–DS9333 Diversey™ 99
Note 1
X
Diethylene Glycol Disodium Phosphate
A
A A
Diversey™ 511
Notes 1, 5 A A Note 1
Diversey™ 514 Dowtherm™ A
TM: Dow Chemical Co.
A
Heat transfer agent A
Dur-Nu™ Electro Cleaner
A
A
Note 1, 5
TM: The Duriron Co., Inc.
Note 1
A
Electro Polishing A
Electroless Nickel
A
Note 1
A
Note 1
Electroless Tin A
(Acid) A
(Alkaline)
Note 1
A
Note 1 A A Note 1
Enthone Acid–80 Ether
94 -49
356
B
B
B
B
B
B
B
B
B
A
B B
A
Ethyl Chloride (No Water)
54 -58
966
B
B
B
A
B
B
A
B
B
A
B A
A
B
A A A Note 2
387 232
775
A
B
A
B
X
B
B
B
B
B
B B
A
A
A A A Note 5
X
X
A C/X X
B
B
C/B
A
A
B B
A
A
A A A
A
C
A A A
X
A A A
X
A A A
Ethylene Glycol Fatty Acids Ferric Chloride
X
X
Ferric Nitrate
606
X
X
Ferric Sulfate
X
X
X X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
B
B
A
X
X
X
X A/B X
C
B
B
B
C C
A
A
Fluoborate
A C
X
806
X
X
213 156 1114
X
X
Freon
A
A
Fuel Oil–Normal
A
A
Formaldehyde
Carpenter 20 Acceptable Hastelloy® C-276 Acceptable
Carpenter 20 Accep., Hastleloy® C-276 Accep. Carpenter 20 Acceptable
A A Note 1
Fluoborate (High Speed) Fluorine Gas, Dry
Note 2
-305 27 122
C/X X B
X
A
A
C
A/C A/C
C A
A
B
B
B
X
B
B
A
A
A
B B
A
X
B
X
C
C
X
C
A
B C
X
A
A
A
A
A
A
A
A
A
A A
A/B A
A
B
B
A/B A/B
A
B B
A
B
C
Note 1
X X
A A A
185 Formic Acid
A
A A A
Carpenter 20 Accep., Hastelloy® C-276 Accep.
A A Notes 2, 3, 7
CONTINUED
148
W
A
T
L
O
W
Application Guide
Gold–Acid
C
B
A
C C
A
B
A
A
A
B B
B
C
C A
X
X
B
B
A
X
A
B
A
A
A
A
A
A A
A
A
B
X
A
Gold–Cyanide
A
B
A A A Notes 2, 5
B
A A A Notes 2, 3, 5
Carpenter 20 Acceptable
A
A A A
Hastelloy® C-276 Acceptable
Comments
Teflon ®
C
B
Graphite
C
Hastelloy ® B
A
Titanium
C
X
Incoloy ® 800
B
Type 20 Stainless Steel
C
739
X
A A/B A/B A
Quartz
Glycerine (Glycerol)
316 Stainless Steel
C 554 320
Gasoline–Sour
304, 321, 347 Stainless Steel
A
Nickel 200
A
Monel ® 400
X
495
Inconel ® 600
Gasoline–Refined
Lead
Iron Steel X
280± -45
Fuel Oil–Acid
Copper
A.I. °F°
Aluminum
Auto Ignition
F.P. °F°
Cast Iron NI Resist
Flash Point
B.P. °F°
Notes 2, 3, 7
A
A
Note 1
A
A
A Notes 1, 5
Carpenter 20 Acceptable
Note 1
Grey Nickel Holdene 310A Tempering Bath
A
Hot Seal Sodium Dichromate
A
Note 1
Houghtone Mar Tempering Salt
C
Hydrocarbons–Aliphatic
A
A
A
A
A
C A
A
A
A
A A
A A
Note 2
Hydrocarbons–Aromatic
A
A
A
A
A
A
A
A
A
A A
A A
Note 2
150°F
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
B
X
X
B
B
B
B
B
B B
Hydrochloric Acid (No Air)
-120
Hydrocyanic Acid (No Air)
78
Hydrofluoric Acid
67
0
100
X
A A A A A A A A
Cold 65%
B
X
X
X
X
X
C
X
X
X
C
X
X
X
B
Hot 65%
X
X
X
X
C
X
X
X
X
X
X
X
C
A
X
X
C
B
B
B
B
B B
A
C
Hydrogen Peroxide Indium Iridite™ #4-75,
X
X
X
3632
X A A Note 5 X A X A A A
A
X A A Note 1 Note 1
TM: Allied-Kelite Products
# 4-73, #14, #14-2,
Div,. Chromate treatment
#14-9, #18-P
for ferrous and non-ferrous metals.
Iridite™ #1, #2, #3, #4-C, #4PC & S, #4P-4, #4-80, #4L-1, #4-2, #4-2A, #4-2P, #5P-1, #7-P, #8, #8-P, #8-2, #12-P, #15, #17P, #18P
A
Iridite™ Dyes–#12L-2, #40, #80
A
A Note 1
Irilac™
A
A Note 1
TM: Allied-Kelite Products Div., Protective coating, clear finish for all metals.
CONTINUED
149
Reference Data
Boiling Point
Corrodant
Cast Iron Grey
Reference Data
Application Guide
Comments
Teflon ®
Graphite
Hastelloy ® B
Quartz
Titanium
Inconel ® 600
Incoloy ® 800
Type 20 Stainless Steel
316 Stainless Steel
304, 321, 347 Stainless Steel
Nickel 200
Monel ® 400
Lead
Copper
Aluminum
A.I. °F°
Cast Iron NI Resist
F.P. °F°
Cast Iron Grey
Auto Ignition
B.P. °F°
Iron Steel
Flash Point
Corrodant
Boiling Point
Reference Data
A A Note 1
Iron Fluoborate Iron Phosphate (Parkerizing)
C
B
A
A Note 1
Isoprep™ Deoxidizer A
#187, #188
TM: Allied-Kelite Products Div., Cleaners and surface preparation materials.
Isoprep™ Acid Aluminum A
Cleaner #186
Note 1 A A Note 1
Isoprep™ #191 Acid Salts Isopropanol (Isopropyl Alcohol)
180
53
750
C
B
A
A
A
Jetal™
A
A/B
A
A
B
A A Note 1
A
TM: Technic Inc. Blackening Salt
Kerosene
347 100
444
A
A
A
A
A
A
A
A
A
A A
B
B
A A Note 2
617 165 Kolene™
TM: Metal Processing Co.,
A
Kolene process–metal cleaning Lacquer Solvent
B
A
Lead Acetate
X
X
A
A
B
A
B
B
X
X
X
A
A
Lead Acid Salts
A
B B
A
A/B A/B A/B
A A
A
A B
Note 2
A A A Note 1
A
Lime Saturated Water Linseed Oil
A
A
649 432
650
B
B
X
B
X
B
B
B
A
B
B B
X A
X
A
B
B
X
B
B
A
A
A
B B
B
B
A
X A Note 2
Raw 403 Boiled X
C
B
X
B
X
B
A
B
B A/B
B A
A
A
A A A
Magnesium Hydroxide
A
A
A
B
A
A
B
A
A
A
A
A A
A
A
A A A
Magnesium Nitrate
B
B
B
B C
B
B
B
B
B
B
B
B
A A A
Magnesium Sulfate
B
B
B
B
A
A
B
B A/B
Magnesium Chloride
2574
B
A
X
B A A/B
Carpenter 20 Accep. Hastelloy® C-276 Accep. Hastelloy® C-276 Acceptable
A A A
MacDermid™ M629
A A Note 1
TM: MacDermid, Inc., Acid Salt–Contains Fluoride
Mercuric Chloride
579
X
X
X
X
X
X
X
X
X
B/X
X
X
X
B
X
A A A
Mercury
674
A
A
A
X
X
X
B
B
B
A
A
A B
X
B
A A A
Hastelloy® C-276 Acceptable
Methyl Alcohol (Methanol)
149
A
A A A Note 2
Hastelloy® C-276 Acceptable
52
867
B
B
C
B
B
A
A
B
B A
A
38 None
998
C
C
X
B
B
B
B
A
A
A
B B
A
Methyl Chloride
-11 500°F
A
>1000°F
X
B
A
A
C C
A
C
A
A
A
X
X
X
X
A
X
X
X
X
X
A 347
A
A
A A
Notes 2, 3, 7
Phenol (See Carbolic Acid) Phosphate Phosphate Cleaner
A
X Notes 1, 5, 9
A
X Notes 1, 5, 9
X Notes 1, 5, 9
A
Phosphatizing Phosphoric Acid Crude
C
X
X
C
X
X
C
Pure 45% Cold
X
X
X
X
B C
B
C
A
B
B
A
X
A
A A
>45% Hot
X
X
X
X
C
C
X
X
X
B
A B
X
C
A A
X
Tantalum Acceptable
CONTINUED
151
Application Guide
B
B
A
B
X
C C
B
B
C
B
A
C B
A
C
A A A
B
X
X
X
C
B
B
B
B
B B
X
B
A C A
X
C
X
B
A
C
C
C
C B
X
B
Boiling Point
Flash Point
Auto Ignition
Iron Steel
Cast Iron Grey
Potassium Chloride
C
X
Potassium Cyanide
C
X
X
X
Comments
Teflon ®
A
Graphite
A
C
Hastelloy ® B
A
B
X
Quartz
B
B
X
Titanium
B
C
X
Inconel ® 600
B
X
Incoloy ® 800
Type 20 Stainless Steel
B
X
304, 321, 347 Stainless Steel
C C
572
Picric Acid
Nickel 200
B
>572 302
Photo Fixing Bath
Monel ® 400
B
A.I. °F°
Lead
B
F.P. °F°
Copper
X
B.P. °F°
Corrodant
Aluminum
X
Cast Iron NI Resist
316 Stainless Steel
Reference Data
A A A A
Explodes A
Potassium Acid Sulfate Potassium Bichromate (Potassium Dichromate)
347
A
Potassium Hydrochloric Potassium Hydroxide
A Note 1
A A A
2408
Carpenter 20 Acceptable
A Note 1
X A A
Potassium Nitriate (Salt Peter)
B
B
B
A
B
B
B
B
B
B
B
B B
A
X
A A A
Potassium Sulfate
C
C C
A
B
A
A
B
A
A
A
B B
A
C
A A A
Prestone™ 350°F
A
TM: Union Carbide Corp.,
A
Anti-freeze/coolant R5 Bright Dip for Copper Polish at 180°F Reynolds Brightener
A
A Note 1
Rhodium Hydroxide
A
A
A
A Note 1
Rochelle Salt Cyanide
A
Note 1
A
Ruthenium Plating A
A
A
C
C
A
X
X
C
B B
A
A
A
A
C
B
C C
A
C
A A A
A
A
A A A
A
C
A A A
A
B
A A
Sea Water
X
X
X
X
Silver Bromide
X
X
X
X
C
Silver Cyanide
C
C
X
X
B
X
X
X
X
X
X
Soap Solutions
A
A
X
C A
A
Sodium–Liquid Metal
C
X
X
X
B
A
C
B C C
B
X
X
A
B
C
B
A A
X
B
B
C
B
B
B B
B
C
A A A C A A
C
Silver Lume Silver Nitrate
A
A A A Note 1
A 831
Sodium Bisulfate
A
C
A/B A/B A/B A
A A
X
Hastelloy® C276 Acceptable Note 3
X
X
X
B
C
Sodium Carbonate
C
C
X
A
X
B
B
B
B
A
B B
A
B
Sodium Chlorate
X
X
B
A
B
A
A
B
B
B
B A
A
X
A A A
Cupro-Nickel Acceptable
2575
C
X
B
X
B
B
A
B
X
X
C
B A
C
C
A A A
Cupro-Nickel Acceptable
X
X
X
X
X
C
B
B
B
A
B
A A A
2725
A
B
C
X
X
X
C
C
A
A
A
A A
C
B
A C A
(Sodium Bichromate)
B
B
B
C
X
B
B
B
C
X
A A A
Sodium Disulfate
X
X
C C
C
X
X
B
Sodium Hypochlorite
X
X
X
X
X
X
X
X
X
B
X
Sodium Nitrate
B
B
A
C
C C
B
B
A
A
A
A A
Sodium Peroxide
B
A
B
C
X
B
B
B
B
B
B
Sodium Bromide
Sodium Chloride
2534
Sodium Citrate Sodium Cyanide
X
X
X
B
B
Carpenter 20 Acceptable
Sodium Dichromate C
C
C
A A
X
A A/X A C/A A
Sodium Hydroxide (See Caustic Soda)
X
X
A
C
A A A
C
A
Hastelloy® C276 Acceptable
CONTINUED
152
W
A
T
L
O
W
Application Guide
Titanium
Hastelloy ® B
B A
A
B
B
B B
B
A
A
A
A
A
A A
B
B
B
B
B
B B
B
B
B
C/X A/B
B
B B
C
B
A A A
C
C A A
B
C
C C
Sodium Sulfate
B
C
Sodium Sulfide
C
X
C C
X
A
B
B
X
C
C
C C
C
Solder Bath
X
X
X
X
X
X
X
X
X
X
X
X
X
B
A
A/B
B
B
540 833
X
A
C
A A A Note 4 A
A
X A
Stannostar™
A
Reference Data
A
Sodium Stannate
C/B B
X
A A A A A A
Sodium Silicate
Soybean Oil
X
Comments
Teflon ®
Inconel ® 600
B
B
Graphite
316 Stainless Steel A
B
Quartz
304, 321, 347 Stainless Steel B
B
B
Incoloy ® 800
Nickel 200 C
B B
Type 20 Stainless Steel
Monel ® 400 A B
Lead
A
A.I. °F°
Copper
Aluminum X
B
F.P. °F°
Cast Iron Grey
B
C
B.P. °F°
Iron Steel
C
B
Auto Ignition
C
Sodium Salicylate
Flash Point
Sodium Phosphate
Corrodant
Boiling Point
Cast Iron NI Resist
Reference Data
X X Note 4 A
A
A Note 1
TM: The Udylite Co., OMI Corp., Bright acid tin plating process.
Steam 1000°F
X
X
X
C
C C C
X
X
B
B
C
A A/B
B B
B
A
A
A
A
A
A
A
A
A
A
A A
A
C
X
C
A
X
X
B
C
C
B
B
A A
A
X
X
X
C
C
C
Stearic Acid
721 385
743
Sugar Solution
X
A
A A A A
Sulfamate Nickel
A
Sulfur
832 405
450
Sulfur Chloride
280 245
453
Sulfur Dioxide
14
Sulfuric Acid
626
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