Name: ASTM B423 UNS N08825 / DIN 2.4858 Seamless Pipe Inconel825 Nickel Alloy Pipe
Brand: Yuhong Group Co.,Ltd
SKU: ASTM B423 Incoloy 825 nikkellegering naadloze buis
Price: 150000 USD
Availability: InStock

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

Productdetails:

Plaats van herkomst:	China
Merknaam:	YUHONG
Certificering:	ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Modelnummer:	ASTM B423 Incoloy 825 nikkellegering naadloze buis

Betalen & Verzenden Algemene voorwaarden:

Min. bestelaantal:	500 kg
Verpakking Details:	Ply-houten kist/ijzeren kist/bundel met plastic dop
Levertijd:	7 dagen
Betalingscondities:	L/C, T/T

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Gedetailleerde productomschrijving

Productnaam:	Nikkellegering pijp	Standaard:	ASTM B423 / ASME SB423
Materiaal:	Incoloy 825 / UNS N08825 / DIN 2.4858	OD:	1/2" TOT 24" of groter
WT:	SCH 5S aan SCH XXS	Lengte:	Enkele willekeurige, dubbele willekeurige en snijlengte
Vorm:	Rechte buis, U-bocht buis	NDT:	WERVELSTROOMtest, HYDROSTATISCHE TEST
Type:	Naadloos	Sollicitatie:	Ketel, Warmtewisselaar, Chemische procesapparatuur, etc.
Markeren:	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.