Comparison Chart - Material Corrosion Resistance 

 

MATERIAL

CORROSION RESISTANCE 

AIR

WATER

FOOD

LIQUOR

DILUTE ACIDS

CONC. ACIDS

CHEMICAL

Industrial

Atmosphere

 

Salt air

Wet

steam

Domestic

Water

Sea

Water

Food

Products

Fruit &

Veg. juice

Dairy

products

Hot

Sulphate

Dye

Hcl

H2SO4

HNO3

Phosphoric

H2SO4

HNO3

Phosporic

Ammonia

Alkaline

Salt

AISI-E-52100

3

§

4

4

§

§

§

§

§

§

§

§

§

§

§

§

§

2

3

AISI 420

2

4

1

1

§

3

3

2

§

3

§

§

§

§

§

§

§

2

3

AISI 420C

2

4

1

1

§

3

3

2

§

3

§

§

§

§

§

§

§

2

3

AISI 440C

2

3

2

2

§

2

2

3

§

4

§

§

§

§

§

§

§

3

2

AISI 304/302

2

1

1

1

1

1

2

2

1

4

2

2

2

2

2

2

2

1

1

AISI 316

2

1

1

1

1

1

1

1

2

4

§

2

1

2

1

1

1

1

2

AISI 1085

3

§

4

4

§

§

§

§

§

§

§

§

§

§

*

§

§

2

3

 

1 = Excellent            2  = Good            3 = Fair          4 = Poor

§ = Will not withstand corrosion      ¶  = Varies     

*   = satisfactory only over 75% concentration