HASTELLOYB-2 vs Hastelloy B-3

Hastelloy B-2 vs Hastelloy B-3

Hastelloy B-2 is a nickel based malleable alloy, which has good corrosion resistance in reducing medium and can be well applied to acetic acid, phosphoric acid, sulfuric acid and hydrochloric acid solutions at various temperatures and concentrations.


Hastelloy B-3 has excellent corrosion resistance to hydrochloric acid at any temperature and concentration. At the same time, it has good corrosion resistance to sulfuric acid, acetic acid, acetic acid, phosphoric acid and other non oxidizing media.

Chemical composition of Hastelloy B-2:

%

Ni

Mo

Fe

Cr

Co

C

Mn

V

Si

P

S

min

allowance

26

2

 

 

 

 

 

 

 

 

max

30

7

1.0

1.0

0.02

1.0

 

1.0

0.04

0.03

 

Chemical composition of Hastelloy B-3:

%

Ni

Cr

Mo

Fe

W

Co

C

Mn

Si

V

P

S

Cu

AL

Ti

Nb

Ta

Zr

Ni
Mo  

min

≥65

1

27

1

-

-

-

-

-

-

-

-

-

-

-

-

-

-

94

max

3

32

3

3

3

0.01

3

1

0.2

0.03

0.1

0.2

0.5

0.2

0.2

0.02

0.1

98

 

Physical properties of Hastelloy B-2:

density

9.24 g/cm³

melting point

 

Physical properties of Hastelloy B-3:

density

9.24 g/cm³

melting point

1370-1418℃

 

Application fields of Hastelloy B-2:

Alloy Hastelloy B-2 is widely used in the fields of chemistry, petrochemical, energy manufacturing and pollution control, especially in industries such as hydrochloric acid sulfate, sulfonic acid and acetic acid.

 

Application fields of Hastelloy B-3:

Suitable for all previous uses of Hastelloy B-2 alloy. Such as nuclear fuel reprocessing, nitric acid equipment, phosphoric acid equipment, sulfuric acid equipment, petrochemical products, etc.

 

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