For 14yrs, Sammi Machinery offers a wide range of line blinds, line blind, line blind valves, blind valve, line valves, line binding and spectacle blind. It is used to obtain absolute shutoff of flow and cost saving. We are the leader in blind flange, industrial valves and marine valves.

Chemecal corrosion

Chemical

Metals

Iron & steel

cast iron
(Ni-resist)

Stainless steel

Nikel

Monel

Red brass

Aluminum

18-8

18-8 Mo

Acetic acid, crude

C

C

C

C

C

C

C

A

Acetic acid, pure

X

X

C

A

C

A

X

A

Acetic anhydrate

C

C

A

A

A

A

X

A

Acetone

A

A

A

A

A

A

A

A

Aluminum chloride

X

X

X

X

C

C

A

A

Aluminum sulfate

X

X

C

A

C

C

X

A

Alums

X

X

C

A

C

A

X

A

Ammonia(gas)

A

A

C

A

A

A

X

C

Ammonium chloride

C

A

C

C

A

A

C

C

Ammonium hydroxide

A

A

A

A

C

C

X

C

Ammonium phosphate (monobasic)

X

X

A

A

-

C

X

X

Ammonium phosphate (dibasic)

C

A

A

A

-

A

C

C

Ammonium phosphate (tribasic)

A

A

A

A

A

A

X

C

Ammonium sulfate

C

A

C

C

A

A

C

A

Aniline

A

A

A

A

-

A

X

-

Benzen, benzol

A

A

A

A

A

A

A

A

Boric acid

X

X

A

A

A

A

C

A

Bromine

X

X

C

C

C

C

C

-

Calcium chloride

C

A

C

C

A

A

C

C

Calcium hydroxide

A

A

A

A

-

A

C

-

Calcium hypochlorite

X

X

C

A

C

C

C

C

Caron tetrachloride

C

X

C

A

A

A

C

C

Carbonic acid

C

X

A

A

A

A

C

A

Chloroaccetic acid

X

-

X

X

C

C

X

C

Chlorine, dry

A

A

C

A

A

A

A

A

Chlorine, wet

X

X

X

X

X

X

X

X

Chlorinc, acid

C

C

C

C

C

C

X

C

Critic acid

X

C

C

A

C

A

C

A

Cooper sulfate

X

X

A

A

C

C

X

X

Ethanol

A

A

A

A

A

A

A

A

Ethylene glycol

A

A

A

A

A

A

A

A

Fatty acid

C

C

A

A

A

A

C

A

Ferric chloride

X

X

X

C

X

X

X

X

Ferric sulfate

X

X

C

A

C

C

X

C

Ferrous sulfate

C

A

A

A

A

A

C

C

Formaldehyde

C

C

A

A

A

A

C

A

Formic acid

X

-

C

C

C

C

X

X

Glycerol

A

A

-

A

A

A

A

A

Hydrocarbon (aliphatic)

A

A

A

A

A

A

A

A

Hydrochloric acid

X

X

X

X

C

C

X

X

Hydrogen peroxide

C

-

C

C

C

C

C

A

Lactic acid

X

C

C

A

C

C

A

C

Magnesium chloride

C

C

C

C

A

A

C

C

Magnesium sulfate

A

A

A

A

A

A

A

A

Metanol

A

A

A

A

A

A

A

A

Nitiric acid

X

C

C

C

X

X

X

C

Oleic acid

C

C

A

A

A

A

C

A

Oxalic acid

C

C

C

C

C

A

C

C

Phenol (carbolic acid)

C

A

C

A

A

A

C

A

Phosphoric acid

C

C

C

A

C

C

X

X

Potassium hydroxide

C

C

A

A

A

A

X

X

Sodium bisulfate

X

C

A

A

A

A

C

C

Sodium carbonate

A

A

A

A

A

A

C

C

Sodium chloride

A

A

C

C

A

A

C

C

Sodium hydroxide

A

A

A

A

A

A

C

X

Sodium hypochlorite

X

C

C

A

C

C

C

X

Sodium nitrate

A

A

A

A

A

A

C

A

Sodium sulfate

A

A

A

C

A

A

A

A

Sodium sulfide

A

A

C

A

A

A

X

X

Sodium sulfite

A

A

A

A

A

A

C

C

Sodium thiosulfate

C

-

A

A

A

A

C

C

Stearic acid

C

A

A

A

A

A

C

A

Sulfur

A

C

C

C

C

C

C

C

Sulfur dioxide

C

C

C

C

C

C

C

A

Sulfuric acid (98% to funning)

A

C

X

A

X

X

X

C

Sulfuric acid (75%~95%)

A

C

X

X

X

X

X

X

Sulfuric acid (10%~75%)

X

C

X

X

C

C

X

X

Sulfuric acid (<10%)

X

C

X

C

C

C

C

C

Sulfurous acid

X

-

C

A

X

X

C

C

Trichloroethylene

C

A

C

A

A

A

C

C

Zine chloride

C

C

C

X

A

A

X

C

Zine sulfate

C

A

A

A

A

A

C

C