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ASTM B423 UNS N08825 / DIN 2.4858 Seamless Pipe Inconel825 Nickel Alloy Pipe

ASTM B423 UNS N08825 / DIN 2.4858 Seamless Pipe Inconel825 Nickel Alloy Pipe

  • ASTM B423 UNS N08825 / DIN 2.4858 Seamless Pipe Inconel825 Nickel Alloy Pipe
  • ASTM B423 UNS N08825 / DIN 2.4858 Seamless Pipe Inconel825 Nickel Alloy Pipe
  • ASTM B423 UNS N08825 / DIN 2.4858 Seamless Pipe Inconel825 Nickel Alloy Pipe
  • ASTM B423 UNS N08825 / DIN 2.4858 Seamless Pipe Inconel825 Nickel Alloy Pipe
ASTM B423 UNS N08825 / DIN 2.4858 Seamless Pipe Inconel825 Nickel Alloy Pipe
Datos del producto:
Lugar de origen: Porcelana
Nombre de la marca: YUHONG
Certificación: ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Número de modelo: Tubería sin costura de aleación de níquel ASTM B423 Incoloy 825
Pago y Envío Términos:
Cantidad de orden mínima: 500kg
Detalles de empaquetado: Caja de madera contrachapada/caja de hierro/paquete con tapa de plástico
Tiempo de entrega: 7 dias
Condiciones de pago: LC, T/T
Contacto
Descripción detallada del producto
Nombre del producto: Tubería de aleación de níquel Estándar: ASTM B423/ASME SB423
Material: Incoloy 825 / UNS N08825 / DIN 2.4858 sobredosis: 1/2" A 24" o más grande
WT: SCH 5S a SCH XXS Longitud: Longitud de corte aleatoria simple, aleatoria doble
Forma: Tubo recto, tubo de flexión en U END: PRUEBA DE LA CORRIENTE DE FOUCAULT, PRUEBA HIDROSTÁTICA
Tipo: Sin costura Solicitud: Calderas, intercambiadores de calor, equipos de procesos químicos, etc.
Resaltar:

ASTM B423 Inconel825 seamless pipe

,

Nickel alloy pipe DIN 2.4858

,

UNS N08825 corrosion resistant pipe

ASTM B423 UNS N08825 / Incoloy 825 Nickel Alloy Seamless Pipe 
 

 

ASTM B423 UNS N08825 is the standard specification for seamless nickel-iron-chromium alloy pipe made from UNS N08825 (commonly known as Incoloy 825). It defines the chemical composition, mechanical properties, dimensions, and manufacturing requirements for a seamless tube product designed to resist corrosion in both reducing and oxidizing environments, especially containing sulfuric acid, phosphoric acid, and chlorides.

 

 

Manufacturing & Heat Treatment
Process: The seamless pipe is produced by hot finishing (extrusion) or cold finishing (drawing).
Condition: Typically supplied in the Solution Annealed & Pickled condition.
Heat Treatment: Heat to 1800°F – 1900°F (980°C – 1040°C), hold for sufficient time, then water quench or rapid air cool.

 


Chemical Composition of ASTM B423 Incoloy 825 Nickel Alloy Seamless Pipe

Element % Element %
Nickel 38.0 – 46.0 Carbon 0.05 max
Chromium 19.5 – 23.5 Manganese 1.0 max
Molybdenum 2.5 – 3.5 Sulfur 0.03 max
Copper 1.5 – 3.0 Silicon 0.5 max
Titanium 0.6 – 1.2 Aluminium 0.2 max
Iron 22.0 min (~33%)    
 
 

ASTM specifications for Incoloy Alloy 825.

Specification Title
B163 Seamless Nickel and Nickel Alloy Condenser and Heat-Exchanger Tubes
B423 Nickel-Iron-Chromium-Molybdenum-Copper Alloy (UNS N08825 and N08221)* Seamless Pipe and Tube
B424 Ni-Fe-Cr-Mo-Cu Alloy (UNS N08825 and UNS N08221)* Plate, Sheet, and Strip
B425 Ni-Fe-Cr-Mo-Cu Alloy (UNS N08825)
B704 Welded UNS N06625 and UNS N08825 Alloy Tubes
B705 Nickel-Alloy (UNS N06625 and N08825) Welded Pipe
B751 General Requirements for Nickel and Nickel Alloy Welded Tube
 
 

Mechanical Property of Incoloy 825 Nickel Alloy

Form Condition 0.2% Proof Stress
MPa
Tensile Strength
MPa
Elong
%
Tube Annealed 440 770 35
Tube Cold drawn 880 1000 15
Bar Annealed 325 690 45
Plate Annealed 340 660 45
Sheet Annealed 420 760 39
 
 

Key Properties & Corrosion Resistance

Incoloy 825 is designed to provide exceptional resistance to:

  • Reducing acids (Sulfuric and Phosphoric acid).

  • Oxidizing acids (Nitric acid, Chromic acid).

  • Chloride Stress Corrosion Cracking (SCC) – Superior to 300 series stainless steels.

  • Pitting and Crevice corrosion (due to Mo, Cu, and Ti content).

  • Sour gas environments (NACE MR0175 / ISO 15156 compliant for H₂S).

 

 

Application

  • Because of its high strength and corrosion resistance, the seamless pipe is used in:

  • Oil & Gas: Downhole tubing, sour gas service, surface flow lines.

  • Chemical Processing: Sulfuric acid plants, phosphoric acid evaporators, pickling tanks.

  • Pollution Control: Scrubber components in coal-fired power plants.

  • Marine: Offshore platforms (seawater handling).

  • Nuclear Fuel Reprocessing.


 
ASTM B423 UNS N08825 / DIN 2.4858 Seamless Pipe Inconel825 Nickel Alloy Pipe 0

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