Chromalox Big Red Book

Technical

Reference Data Corrosion Guide for Electric Immersion Heaters (cont’d.) Legend Sheath Material

A = Good to Excellent B = Fair to Good C = Depends on Conditions X = Not Suitable Blank = Data Not Available Reynolds Brightener Rhodium Hydroxide Rochelle Salt - Cyanide Ruthenium Plating Silver Bromide (10%) Silver Cyanide Silicon Oils Solution

C276 Hastelloy ® Quartz

INCOLOY ® 800

INCONEL ® 600

MONEL ® 400

Density 12

Teflon ® 12

Notes

Aluminum

Carbon Steel

Copper

Cast Iron

Titanium

Suggest

304, 321, 347 SS 316 SS Corrosion Rating

20Cb-3 SS

Lead

A A A

A A A

1 1 1

A

A

BC B AC X X X X X C X C

B B

23 - 26

AC AC

C X X C AC A A A BC AC AC AC AC A A A

A

Silver Lume Silver Nitrate Soap Solutions

1 3

X X X X BC BC X X B AC B AC A AC A B BC BC C AC AC C BC BC BC BC AC A

55

A

A A

A A

Sodium Bichromate (Neutral) Sodium Bisulphate Sodium Bromide (10%) Sodium Carbonate Sodium Chlorate Sodium Chloride Sodium Dichromate (Hot Seal) Sodium Hydroxide (50%) Sodium Hypochlorite (20%) Sodium Nitrate Sodium Peroxide (10%) Sodium Phosphate (Neutral) Sodium Salicylate Sodium Sulfide (< 50%) Sodium Thiosulfate (Hypo) Steam (Medium Pressure) Solder Bath Stearic Acid Sugar Solution Sulfamate Nickel Sulfamic Acid Sulfur Chloride (Dry) Sulfur Dioxide (Dry) Sulfur Dioxide (Wet) Sulfuric Acid (10% - 50%) Sulfuric Acid (98%) Sulfurous Acid Tannic Acid Tin (Molten) Trichloroethane Trichlorethylene Triethylene Glycol Trioxide (Pickle) Trisodium Phosphate Turco™ 4008 (Descaler) Turco™ 4338 (Oxidizer) Turco™ Ultrasonic Solution Turco™ 4181 (Alkaline Cleaner) Sodium Citrate Sodium Cyanide Sodium Silicate Sodium Sulfate Sodium Stannate Sulfur

C B C

B B

B B B B

C C

A BC A

X C X X BC BC C BC BC BC BC B

X C C X B B X C BC C B X BC X X C B X AC A

B C BC B B A BC B AC AC C

A AC X

A A

A AC B AC BC B B

A A A A A A A A BC A A A

B AC C C C B

11

X X X X AC AC X B BC B X X X B BC BC X X AC AC A BC A C X C X C AC B X AC AC AC B AC X AC A 15 X X X X X X X X X X C X A A A 20 A 30 - 40 B BC X BC BC AC A A

1

6, 8

AC B C B

A A

X BC AC AC AC BC A AC A

23

5

A A A A A

B BC X C BC B X B BC B BC B C

A A A A

X B B B B B C B X B B AC X B C B B

B B B B B B B B B A BC B B B

B

A A

4

AC B BC X B AC X BC AC A X X X X B AC X B BC BC BC B C C A B B C

C

C B B

B

B B B

BC B B BC BC A AC A

C X X C B B

X X X B X X X X X X X X X X X

4

A A

AC BC BC BC B

C BC

10 - 15

B C BC C B AC X C BC A A A A A A A X

A A A

B

A A A A A A A A 10 - 23

7 1

A A A A AC A

X X C X X X X A

BC

BC

A A

X BC A A A A A A

X X X X B AC C X BC BC BC B A C AC BC C B AC B B B B B B X X X X X BC BC X X B BC AC A A A A

A

15 - 23 10 - 20

X X X X X BC A X X X X X BC A C X X X BC A A

X X X B AC A X X BC AC AC A X X BC B B

A A

X X

15 15

A A A A AC A

X X C X B B X B B B B B A A A A A A A A A A A A A A A A A A A A A A A A A A A X X X X X X X X AC BC BC A AC AC X A B B B A A A A

X 20

4

23 23

A

A A

1 1 1 1 1 1

X BC BC A

X BC AC AC AC AC X

A A A A

23

1, 5 1, 7

A A A

Ubac™

A A A

Udylite™ #66 Unichrome™ CR-110 Unichrome™ 5RHS

23

1, 5

A A

See notes at end of table.

TECHNICAL

INFORMATION

I-53