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 Muriatic Acid Naphtha Nickel Acetate Nickel Chloride Nickel Plate-Bright Nickel Plate-Dull Nickel Sulphate Nickel Copper Strike Nitric Acid (20%) Nitric & Hydrochloric Acid Nitric & 6% Phosphoric Acid Nitric & Sodium Chromate Nickel Plate - Watts Solution Solution Paraffin Parkerizing™ Peanut Oil Perchloroethylene Petroleum Oils (Sour) Phenol (Carbolic Acid) Phosphates (Generic) Phosphate Cleaners Phosphatizing Petroleum Oils (Refined) Phosphoric Acid (25% - 50%) Plating Solutions - Brass Plating Solutions - Cadmium Picric Acid Plating Solutions - Cobalt Plating Solutions - Copper Plating Solutions - Gold (Cyanide) Plating Solutions - Gold (Acid) Plating Solutions - Nickel Plating Solutions - Silver Plating Solutions - Tin Plating Solutions - Tin-Nickel Plating Solutions - Tin-Alkaline Plating Solutions - Zinc Plating Solutions - Zinc Acid Plating Solutions - Zinc Cyanide Potassium Aluminum Sulphate Potassium Bichromate Potassium Chloride (30%) Potassium Cyanide (30%) Potassium - Hydrochloric Solution Potassium Hydroxide (27%) Potassium Nitrate (80%) Potassium Sulphate (10%) Nitric & Sulfuric Acid (50% - 50%) X Nitrobenzene Oakite™ #67 Oleic Acid Olive Oil Oxalic Acid (50%) Paint Stripper (High Alkaline) Paint Stripper (Solvent) B X

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

SEE HYDROCHLORIC ACID A A A A A A A

A A A

A A A

B

2 1

A

X X X X AC B C B BC BC B

A A A A

23 23 23 23

1, 5 1, 5 1, 5 1, 5

A A A

A A A

X X X X

BC BC

C C C C C C

B B

A A A

X X C X C C B C B B B

AC AC AC

(Cyanide Free)

X X X BC BC AC X X AC AC A AC A A A 15 X X X X C X X X BC BC C A X A 15

A A

A A

A A A

15 15

1 1 2 1

X AC AC AC

C X X

A

A A A A AC A

BC B BC B B B X B B B

B

A

30 - 40 23 - 26 30 - 40 23 - 26 6 - 15 23 - 26

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

AC B B

B B B B AC

A

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

A

1

A

1, 2 2, 7

A A A A

A

A A A A

B

B

SEE IRON PHOSPHATE

A

B B

A

A A A

A AC AC B B A A A A

A A

B

B

23

A

B B B B X B X B B B X C

23 - 26 2, 3, 7 15 - 23 2, 3, 7 23 - 40 1, 5, 9 X 23 - 40 1, 5, 9

X B B

A AC X AC A A A A A A A

BC AC BC AC

B X

B

A

X 23

1, 5, 9 5, 9

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

A A

X

23

B AC AC A A A 23 - 35 B AC AC A A A 23 - 35 X BC B AC AC A X BC B AC AC A A A 15 - 20 X A 23 - 35

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

Plating Solutions - Chrome (25%) X X X Plating Solutions - Chrome (40%) X X X X X X X BC

A

A

23 - 35

AC A AC A 23 - 35 AC A AC A 15 - 20

AC AC

A

A A

15 - 20

AC AC AC AC A A A 23 - 35 AC AC AC AC A A A 23 - 35

C AC AC A

A 23 - 35 A 23 - 35 15 - 20

X

A

A

A

AC AC A A A 23 - 35

A

15 - 20 15 - 20

A

A

C BC A BC A A A

C X C

A AC A A A

B C C C B B

B B B B B

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

1

See notes at end of table.

I-52