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Incoloy 825/Uns N08825 Nickel Alloy Pipe

825 is face-centered cubic lattice structure. Dissolve out the carbon granule and instability quaternary phase, then change it to stability Ni3 (Nb, Ti) trimetric lattice around 650° C after a long time heat preservation. Nickel-chromium content will strength the mechanical performance in the state solution while suppress the plasticity.

Quantity:

  • Incoloy 825/Uns N08825 Nickel Alloy Pipe
  • RONSCO

Basic Info

China Incoloy 825/Uns N08825 Nickel Alloy Pipe Supplier / Factory / Maunfatuer
Pay Term30%T/T Advance + 70% Balance
Special UseHigh-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel
Tolerance0.01%---0.02%
Certificates
Mill Test Certificate, SGS or Other Third Party inTrademark
Transport PackageStandard Export Packing or as Customer′s Requests
OriginChina
Delivery Time30 Days After Confirm Order

Product Description

Characteristic as below
1. Excellent corrosion resistance of different kinds of media in both oxidation and reduction environments.
2. Excellent resistance of pitting and crevice corrosion, and won't happen stress corrosion cracking because of chloride.
3. Excellent resistance of the inorganic acid corrosion performance, such as nitric acid, phosphoric acid, sulfuric acid, hydrochloric acid and the mixture of sulfuric acid and hydrochloric acid.
4. Excellent corrosion resistance of different kinds of inorganic acid mixture performance.
5. Good corrosion resistance of a variety of concentrations of hydrochloric acid when the temperature up to 40° C.
6. Good machining and welding, no weld cracking sensitivity.
7. Have pressure vessel authentication for the wall temperature between -196 ~ 450° C.

8. Apply for the highest standard lever VII of acidic environment by the NACE ( MR-01-75) authorized.


Inconel 825 Metallurgical structure
825 is face-centered cubic lattice structure. Dissolve out the carbon granule and instability quaternary phase, then change it to stability Ni3 (Nb, Ti) trimetric lattice around 650° C after a long time heat preservation. Nickel-chromium content will strength the mechanical performance in the state solution while suppress the plasticity.
Inconel 825 Corrosion resistance

825 own a very good corrosion resistance in many media, especially with excellent resistance to pitting, crevice corrosion, intercrystalline corrosion, and erode in oxide, also good resistance to inorganic acid corrosion, such as nitric acid, phosphoric acid, sulfuric acid and hydrochloric acid. 825 can resist the alkali and organic acid corrosion in the oxidation and reduction environment. Effect resists the chloride reduction stress corrosion cracking. Normally no corrosion in the sea-water and industry environments since high corrosion resistance to the sea-water and salting liquid, as well as in high temperature, without sensitivity during welding. 825 have the resistance to oxidation and carbonizing in the static and cycle environments, also hacve the resistance the chlorine corrosion.


Inconel 825 Application field
Soften annealing low carbon alloy 825 widely used in the chemical process industry, good corrosion resistance and high strength made it an good choice for structural parts. 825 have application in sea-water for local mechanical stress attach.

Inconel 825 Typical application field as below
1. The Organic chemical process parts contain chloride, especially in the use of acid chloride catalyst.
2. The digester and bleacherin the use of paper pulp and paper making industry.
3. Absorption tower, re-heater, gas import board, fan, blender, fair water fin, flue and so on for using in flue gas desulfurization system.
4. The equipment and parts in the use of acidic gas environments.
5. Acetic acid and anhydride reaction generator
6. Sulfur acid cooling

Alloy
 

%
 

Ni
 

Cr
 

Fe
 

C
 

Mn
 

Si
 

Cu
 

Mo
 

Al
 

Ti
 

P
 

S
 

825
 

Min.
 

38
 

19.5
 

balance
 




1.5
 

2.5
 

1.0
 

0.6
 



Max.
 

46
 

23.5
 

balance
 

0.05
 

1
 

0.5
 

3
 

3.5
 

0.2
 

1.2
 

0.02
 

0.03
 

 

2)Incoloy 825 Physical properties :

 

Density
 

8.1 g/cm3
 

Melting point
 

1370-1400°C
 


3)Incoloy 825 Alloy mi nimum mechanical properties in the room temperature:

 

Alloy state
 

Tensile strength

Rm N/mm2
 

Yield strength

R P0. 2N/mm2
 

Elongation

A 5 %
 

Brinell hardness

HB
 

825
 

550
 

220
 

30
 

≤200
 
PH Stainless Steel
17-4PH
17-7PH
15-5PH
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