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N08825 Nickel base alloy steel

N08825 Nickel base alloy steel

Product : N08825 Nickel base alloy steel

Alloy N08825 is a versatile general engineering alloy with resistance to corrosion in acids and alkalis under both oxidising and reducing conditions.

High nickel content gives the alloy virtual immunity to stress corrosion cracking.

Corrosion resistance is good in media as diverse as sulphuric, sulphurous, phosphoric, nitric and organic acids, alkalis such as sodium or potassium hydroxide, and aqueous chloride

N08825 Nickel base alloy Chemical Composition (%)

Alloy 825

Ni

Cr

Fe

C

Mn

Si

Cu

Mo

Al

Ti

P

S

Min

38.0

19.5

bal.

 

 

 

1.5

2.5

 

0.6

 

 

Max

46.0

23.5

0.05

1.0

0.5

3.0

0.403.5

0.2

1.2

0.020

0.010

N08825 Nickel base alloy Mechanical properties

Form

Dimensions

Tensile
Strength

0.2% Yield
Strength

0.2% Yield
Strength

Elong
A5
%

Brinell
Hardness
HB

mm

in

N/mm2

Ksi

N/mm2

Ksi

N/mm2

Ksi

Sheet,Strip cr
Plate hr

0.5-6.4

0.018-0.25

585

85

240

35

265

38

30

≤ 200

5-100

3/16 -4

585

85

240

35

265

38

30

135-165

Tube, Pipe hf
cf

64-240

2.1/2-9.1/2

530

75

180

25

-

-

30

-

5-100

3/16 -4

585

85

240

35

265

38

30

-

Condenser and
heat exch. tube

16 -76

5/8 -3

585

85

240

35

265

38

30

-

N08825 Nickel base alloy Typical applications include

Components such as heating coils, tanks, crates, baskets and chains in sulphuric acid pickling plants

Fuel element dissolvers
Sea-water-cooled heat exchangers; offshore product piping systems; tubes and components in sour gas service
Heat exchangers, evaporators, scrubbers, dip pipes etc. in phosphoric acid production
Air-cooled heat exchangers in petroleum reneries
Food processing and chemical plant

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