Incoloy825 High Temperature Corrosion Resistant Alloy Pipe

  • Model NO.: FHMC-0822-402
  • Standard: AISI, ASTM, DIN, JIS, GB, BS
  • Technique: Cold Rolled
  • Surface Treatment: Polished
  • Application: Die Steel Bar
  • Metal Material: Nickel Base Alloy or Asked by Customer
  • Heat Treatment: as Per Customers′ Request
  • Specification: ISO9001-2008, SGS
  • HS Code: 73269090
  • Type: Round
  • Composition: Stainless Steel Scrap
  • Shape: U Channel
  • Special Use: Cold Heading Steel
  • Size: as Per Drawings
  • Date of Delivery: 30 Days
  • Trademark: FHMC
  • Origin: Jiangyin, China

Incoloy 825 (UNS N08825, NS142)

 

UNS
Trademark
JIS
W.Nr
N08825
Incoloy825
NCF825
2.4858

 

 
Incoloy 825 Chemical composition:

 

Alloy
%
Ni
Cr
Fe
C
Mn
Si
Cu
Mo
Al
Ti
P
S
825
Min.
38
19.5
 
 
 
 
1.5
2.5
 
0.6
 
 
Max.
46
23.5
balance
0.05
1
0.5
3
3.5
0.2
1.2
0.03
0.03

 


Incoloy 825 Physical properties

 

Density
8.14 g/cm³
Melting point
1370-1400ºC

 


Incoloy 825 Alloy mi nimum mechanical properties in the room temperature

 

Alloy state
Tensile strength Rm    
N/mm²
Yield strength RP0. 2
N/mm²
Elongation A5
%
Brinell hardness
HB
825
550
220
30
≤200

 

 
Characteristic as below :
1. Good stress corrosion cracking resistance performance
2. Good resistance for pitting and crevice corrosion performance
3. Good anti-oxidation and non-oxidzing heat acid performance
4. Good mechanical performance in both room temperature and up to 550ºC
5. Have the pressure vessel authenticate when manufacture temperature up to 450ºC
 
Incoloy 825 Corrosion resistance
825 is an all-purpose project alloy, have good corrosion resistance of the acid and alkali metal property in both oxidation and reduction environments. High nickel content made it with effective stress corrosion cracking resistance performance. 825 have excellent corrosion resistance in different kinds of media, such as sulfuric acid, phosphoric acid, nitric acid and organic acid, alkali metal such as sodium hydroxide, potassium hydroxide, and hydrochloric acid. A variety of media corrosion of nuclear-burning dissolver show 825 high integrated prpperty, like sulfuric acid, nitric acid and potassium hydroxide are all dealing in a same device.
Incoloy 825 Application field:
825widely use in many kinds of industry field that the working temperature no more than 550ºC.
Incoloy 825 Typical application field:
1. Sulfuric acid factory usage for heating pipe, container, basket,chain and so on.
2. Cooling heat exchanger, marine product pipeline system and gas pipeline of acidic environment.
3. Heat exchanger, steam machine, washing, impregnation pipe, etc. for phosphoric acid produce 
4. Oil refining in the air heat exchanger
5. Food project
6. Chemical process
7. Application of high pressure oxygen flam-retardant alloy

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