Incoloy 825|Kaixin Alloy Materials Co., Ltd.-specializes in high-temperature alloys-corrosion-resistant alloys-expansion alloys-pure nickel alloys and other strips-wires-rods

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Danyang Kaixin Alloy Material Co., Ltd.

Incoloy 825

Product properties:

Product Name:Incoloy 825 Nickel Alloy

Equivalent Grades:UNS N08825 / Alloy 825 / W.Nr. 2.4858 / NiCr21Mo

Material Type:Nickel-Iron-Chromium-Molybdenum Corrosion Resistant Alloy

Product Forms:Welding Wire, TIG Rod, MIG Wire, Strip, Round Bar, Sheet, Plate, Tube, Pipe & Customized Products

Manufacturing Process:Vacuum Induction Melting (VIM) + Electroslag Remelting (ESR) + Precision Processing

Standards:ASTM B424, ASTM B425, ASTM B423, ASTM B163, AWS A5.14, ISO 18274

Certification:ISO9001:2015，ISO45001:2018，ISO14001:2015

Manufacturer:Danyang City Kaixin Alloy Material Co., Ltd.

Email:kaixinalloy@kx-alloy.com

Phone:+86 13776484780

Product Description

Incoloy 825 is a nickel-iron-chromium-molybdenum alloy with excellent resistance to corrosion, pitting, crevice corrosion, stress corrosion cracking, and acidic environments. Designed for harsh chemical and industrial service conditions, Incoloy 825 alloy delivers reliable performance in applications requiring long-term corrosion resistance, oxidation resistance, and stable mechanical properties. It is widely used in chemical processing, oil & gas, marine engineering, pollution control, and energy industries where resistance to aggressive corrosive media and reliable service performance are required.

Properties & Applications

Incoloy 825 Key Features

Incoloy 825 offers excellent resistance to sulfuric acid, phosphoric acid, nitric acid, seawater, chlorides, pitting, crevice corrosion, and stress corrosion cracking, combined with good oxidation resistance, stable mechanical properties, outstanding weldability, superior resistance to intergranular corrosion, and long-term reliability in aggressive chemical and industrial environments.

Incoloy 825 Product Application

Incoloy 825 (UNS N08825 / Alloy 825) is a high-performance nickel-iron-chromium-molybdenum alloy widely used in industries requiring excellent resistance to acids, chlorides, pitting corrosion, crevice corrosion, and stress corrosion cracking. Designed for aggressive chemical and industrial environments, Nickel Alloy 825 performs reliably under continuous exposure to corrosive media, elevated temperatures, and demanding service conditions.

Typical Incoloy 825 applications include:

Chemical Processing: Reactors, heat exchangers, process piping, tanks, acid handling equipment, and corrosion-resistant process systems.

Oil & Gas: Offshore platforms, production equipment, pipelines, valves, wellhead components, and sour gas service systems requiring resistance to chloride and acidic environments.

Marine Engineering: Seawater piping, pumps, cooling systems, offshore structures, and components exposed to marine corrosion conditions.

Pollution Control: Flue gas desulfurization (FGD) equipment, scrubbers, wastewater treatment systems, and environmental processing equipment.

Pharmaceutical & Food Processing: Process vessels, piping systems, and equipment requiring excellent corrosion resistance and material reliability.

Power Generation: Heat exchangers, condenser systems, chemical treatment equipment, and components operating in corrosive energy environments.

Nuclear & Energy Industries: Nuclear fuel processing equipment, heat transfer systems, and specialized components requiring resistance to aggressive chemical media.

With its outstanding corrosion resistance, acid resistance, weldability, and long-term durability, Incoloy 825 nickel alloy remains a trusted corrosion-resistant material for demanding chemical, marine, energy, and industrial applications worldwide.

Kaixin Alloy offers custom alloy compositions, sizes, dimensions, and product specifications according to customer requirements.

Incoloy 825Composition content

Ni：38%~46%

Fe：20%~38%

Cr：19.5%~23.5%

Mo：2.5%~3.5%

Si：1.5%~3.0%

Ti：0.6%~1.2%

Mn≤1.0%

Co≤1.0%

Cu≤0.5%

Al≤0.2%

S≤0.03%

C≤0.025%

Vacuum induction furnace

Electroslag remelting

Product physical properties

Density

ρ=8.1 g/cm³

Melting temperature range

1370-1400 ℃

Specifications

Product Forms & Available Sizes

Product Form	Available Sizes
Welding Wire	Diameter: 0.8–5.0 mm
TIG Welding Rod	Diameter: 1.6–6.4 mm
MIG Welding Wire	Diameter: 0.8–1.6 mm
Nickel Alloy Strip	Thickness: 0.05–6 mm, Width: 5–350 mm
Round Bar	Diameter: 6–300 mm
Billet	Diameter: Up to 600 mm
Forged Bar	Customized Sizes
Sheet & Plate	Customized Sizes
Seamless Tube & Pipe	Customized Sizes
Wire Rod	Customized Sizes
Customized Components	Made to Customer Requirements

Mechanical Properties (Typical)

Property	Value
Tensile Strength	≥550 MPa
Yield Strength (0.2%)	≥220 MPa
Elongation	≥30%
Hardness	≤200 HB
Density	8.14 g/cm³
Melting Range	1370–1400°C

Physical Properties

Property	Value
Density	8.14 g/cm³
Modulus of Elasticity	196 GPa
Thermal Conductivity	11.1 W/m·K
Electrical Resistivity	1.09 μΩ·m
Specific Heat	440 J/kg·K
Coefficient of Thermal Expansion	14.0 μm/m·°C
Magnetic Property	Non-magnetic (solution annealed condition)

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Quality Control & Certification

Kaixin Alloy manufactures Incoloy 825 (UNS N08825 / Alloy 825 / Nickel-Iron-Chromium Alloy) in compliance with international standards including ASTM B424, ASTM B425, ASTM B423, ASTM B705, ASTM B704, ISO 18274, and EN 10204.

Every production batch is strictly tested for:

Chemical Composition Analysis

PMI (Positive Material Identification) Verification

Tensile Strength & Yield Strength Testing

Hardness Testing

Intergranular Corrosion Testing

Non-Destructive Testing (NDT)

Final Product Inspection

We provide EN 10204 3.1 Certificates, Mill Test Certificates (MTCs), and complete material traceability to ensure reliable performance for chemical processing equipment, oil & gas systems, marine engineering, pollution control facilities, heat exchangers, nuclear power applications, and corrosion-resistant industrial components.

With strict quality control and international certification compliance, Kaixin Alloy Incoloy 825 products deliver long-term reliability in highly corrosive environments involving acids, chlorides, seawater, and elevated temperatures.

Incoloy 825 Production process

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