Incoloy 825 Pipe &Tube, please note that the above table, Huaxiao Metal Manufacturer provides a range of standard wall thicknesses, outside diameter, and lengths for Incoloy Alloy Pipe & Tube.
- Dimensions:
- Outside Diameter: Φ6 – Φ2500mm
- Wall Thickness: 0.35 – 150mm
- Length: 2000mm, 2500mm, 3000mm, 5800mm, 6000mm, 12000mm, etc
- Shapes: Angle, Hexagon, Square, Channel, Round, Flat etc.
*Customized size needs to be confirmed with us
- Finish: Bright, Polishing, Mirror, Hairline, Pickled, Peeled, Black
- Certification: ISO, SGS, BV and so on.
Incoloy 825 Pipe Data Sheets
Incoloy 825 is a nickel-iron-chromium alloy with additions of molybdenum, copper, and titanium. This alloy is designed for exceptional resistance to both general corrosion and stress-corrosion cracking, making it ideal for use in highly corrosive environments. The following sections provide a detailed analysis of the chemical composition, physical properties, mechanical properties, advantages, characteristics, applications, and manufacturing process of Incoloy 825 pipes and tubes.Huaxiao Metal Supplier provides all sizes of incoloy alloy pipe for sale. Customized specifications are available upon request.
Incoloy 825 Pipe Satndard of Different Countries
Additionally, the exact chemical composition and mechanical properties may vary slightly within the ranges listed, depending on the specific alloy formulation and production process. Custom sizes are also available upon request. Welcome to inquire, and learn about more details about the alloy pipes.
Country | Standard Code/Number |
---|---|
United States | ASTM B 163, ASTM B 423, ASTM B 704, ASTM B 705, ASTM B 751, ASTM B 775, ASTM B 829, ASME SB 163, ASME SB 423, ASME SB 704, ASME SB 705, ASME SB 751, ASME SB 775, ASME SB 829 |
Germany | DIN 17751, VdTÜV 432, ISO 6207 |
United Kingdom | BS 3074 NA16 (Note: This may not be an exhaustive list of UK standards for Incoloy 825) |
France | NC21FeDu (Note: This is a French designation for a similar alloy, but may not directly correspond to all standards for Incoloy 825) |
China | NS142 (Note: This is a Chinese designation for a similar alloy, but may not directly correspond to all standards for Incoloy 825) |
Incoloy 825 Pipe is a nickel-iron-chromium alloy known for its excellent resistance to oxidation, carburization, and other forms of high-temperature corrosion. It is widely used in industries that require materials to withstand extreme temperatures and corrosive environments. Below is a detailed analysis of Incoloy 825 pipes and tubes, covering their chemical composition, physical properties, mechanical properties, advantages, characteristics, applications, and manufacturing processes. Our company has the good service and fast delievery transportation in China.
Incoloy 825 Pipe Chemical Composition
The chemical composition of Incoloy 825 is critical to its performance in corrosive environments. The table below outlines the key elements and their percentages:
Element | Percentage (%) |
---|---|
Nickel (Ni) | 38.0 – 46.0 |
Chromium (Cr) | 19.5 – 23.5 |
Iron (Fe) | 22.0 min |
Molybdenum (Mo) | 2.5 – 3.5 |
Copper (Cu) | 1.5 – 3.0 |
Titanium (Ti) | 0.6 – 1.2 |
Carbon (C) | 0.05 max |
Manganese (Mn) | 1.0 max |
Silicon (Si) | 0.5 max |
Sulfur (S) | 0.03 max |
Phosphorus (P) | 0.02 max |
Nickel: Provides resistance to reducing environments and stress-corrosion cracking.
Chromium: Enhances resistance to oxidizing environments and high-temperature corrosion.
Molybdenum: Improves resistance to pitting and crevice corrosion.
Copper: Adds resistance to sulfuric acid and other reducing acids.
Titanium: Stabilizes the alloy against sensitization during welding.



Incoloy 825 Tube Physical Properities
The physical properties of Incoloy 825 make it suitable for high-temperature and high-pressure applications:
Property | Value |
---|---|
Density | 8.14 g/cm³ |
Melting Range | 1370 – 1400 °C (2500 – 2550 °F) |
Thermal Conductivity | 11.1 W/m·K (at 100 °C) |
Electrical Resistivity | 1.12 µΩ·m (at 20 °C) |
Specific Heat Capacity | 440 J/kg·K (at 20 °C) |
Magnetic Permeability | 1.02 (at 200 °C) |
Incoloy 825 pipe and tube exhibits the following physical properties:
- Density: 8.14 g/cm³
- Melting Temperature Range: 1370 – 1400 °C
- Thermal Conductivity: Approximately 11.1 W/(m·K) (or 12.4 λ/(W/m·°C) in some sources)
- Coefficient of Thermal Expansion: Approximately 13.3×10⁻⁶/°C (or 14.1 (20~100°C) a/10⁻⁶°C⁻¹ in some sources)
Incoloy 825 Pipe Mechanical Properities
Incoloy 825 exhibits excellent mechanical properties, even at elevated temperatures:
Property | Value |
---|---|
Tensile Strength | 586 MPa (85 ksi) |
Yield Strength | 241 MPa (35 ksi) |
Elongation | 30% (in 50 mm) |
Hardness (Rockwell B) | 90 max |
Modulus of Elasticity | 196 GPa (28.4 x 10⁶ psi) |
Huaxiao Metal Manufacturer also provides other shapes of Incoloy products, such as coil, plate&sheet, strip, wire&mesh, bar. The price is affordable and suitable. Welcome to inqiure and learn more details about incoloy.
At room temperature, Incoloy 825 pipe and tube possesses the following mechanical properties:
- Tensile Strength (Rm): ≥ 550 N/mm² (some sources indicate ≥ 500 N/mm²)
- Yield Strength (Rp0.2): ≥ 220 N/mm²
- Good ductility and toughness
- Excellent resistance to stress corrosion cracking, pitting corrosion, and crevice corrosion
- Good oxidation resistance and non-oxidizing hot acid performance
Incoloy 825 maintains good mechanical properties up to 550 °C and has certification for manufacturing pressure vessels up to 450 °C.
What are the Incoloy 825 Tube Benefits?

Huaxiao Metal Manufacturer offers customizable options for Incoloy alloy pipes, including different thicknesses, widths, lengths, and surface finishes.This allows customers to tailor the material to their specific needs and applications. The benefits of Incoloy alloy tube pipes make them an excellent choice for a wide range of industrial applications. They offer a combination of corrosion resistance, high temperature strength, good mechanical properties, and ease of fabrication and welding, making them suitable for use in demanding environments. Welcome to Huaxiao Metal Manufacturer to request the price, trust you can be satisfied in the alloy products.
Incoloy 825 Pipe Advantages
Corrosion Resistance: Excellent resistance to sulfuric and phosphoric acids, seawater, and chloride-induced stress-corrosion cracking.
High-Temperature Performance: Maintains strength and oxidation resistance at elevated temperatures.
Weldability: Can be welded using common techniques such as TIG, MIG, and resistance welding.
Versatility: Suitable for a wide range of industrial applications, including chemical processing, oil and gas, and marine environments.
Durability: Long service life in harsh conditions, reducing maintenance and replacement costs.
Incoloy 825 Tube Applications and Uses
Huaxiao Metal Supplier provides all kinds of incoloy alloy pipes in the world. Welcome to inquiry.
Incoloy 825 pipes and tubes are widely used in industries requiring high corrosion resistance and durability:
Chemical Processing: Reactors, heat exchangers, and piping systems handling sulfuric acid, phosphoric acid, and other corrosive chemicals.
Oil and Gas: Downhole and surface equipment exposed to sour gas (H₂S) and chloride-containing environments.
Marine Engineering: Seawater cooling systems, offshore platforms, and desalination plants.
Power Generation: Flue gas desulfurization (FGD) systems and heat recovery systems.
Pollution Control: Scrubbers and waste treatment systems.



Incoloy 825 Pipe Manufacturing Process
Huaxiao Metal has the professional factory and the experienced technology for processing the alloy.
The production of Incoloy 825 pipes and tubes involves several key steps:
Melting and Casting: Raw materials are melted in an electric arc furnace (EAF) and refined using argon oxygen decarburization (AOD) to achieve the desired chemical composition.
Hot Working: The alloy is hot-rolled or forged into billets or slabs.
Cold Working: The material is cold-drawn or cold-rolled to achieve the required dimensions and surface finish.
Heat Treatment: Solution annealing is performed at 925-980 °C (1700-1800 °F) followed by rapid cooling to optimize mechanical properties and corrosion resistance.
Finishing: The pipes/tubes are cut, straightened, and subjected to non-destructive testing (NDT) such as ultrasonic testing (UT) or eddy current testing (ECT).
Quality Control: Final inspection ensures compliance with industry standards such as ASTM B423, ASTM B704, and ASME SB423.
Comparison with Competing Alloys
Property | Incoloy 825 | Inconel 625 | Hastelloy C276 |
---|---|---|---|
Corrosion Resistance | Excellent | Excellent | Superior |
Cost | Moderate | High | Very High |
Weldability | Good | Excellent | Excellent |
Temperature Range | Up to 540 °C | Up to 980 °C | Up to 1090 °C |
Incoloy 825 pipes and tubes are a reliable choice for industries requiring materials with exceptional corrosion resistance, high-temperature performance, and durability. Their unique combination of nickel, chromium, molybdenum, and copper ensures superior performance in harsh environments, making them a cost-effective solution for demanding applications. With proper manufacturing and quality control, Incoloy 825 products deliver long-lasting performance and reliability. Huaxiao Metal Supplier will provide the good quality incoloy alloy to around the world.



Why Choose Huaxiao Metal for Alloy?
Huaxiao Metal Supplier provides professional services and reasonable prices, offering customers the best quality products. The Incoloy Alloy Pipe Alloy Factory is a specialized manufacturing facility dedicated to the production of high-quality Incoloy alloy pipes. This factory combines advanced technology, rigorous quality control, and experienced personnel to ensure the production of Incoloy alloy pipes that meet the highest standards.The factory is equipped with state-of-the-art production equipment and machinery, capable of producing Incoloy alloy pipe with precise dimensions and consistent quality.Welcome to reqiure, and ask to the lastest price.
Certified Quality & Precision
We hold ISO 9001, AS9100 (aerospace), and IATF 16949 (automotive) certifications, ensuring alloys meet global standards. Our advanced spectrometers and CNC machines guarantee dimensional accuracy within ±0.02mm, critical for high-stakes industries.Custom Alloy Engineering
With 20+ years of R&D expertise, we tailor alloys (e.g., nickel-based superalloys, titanium grades) to client specs. Recent projects include heat-resistant alloys for EV battery components, achieving 98% client retention in the renewable energy sector.Sustainable & Agile Production
Our closed-loop recycling system reduces material waste by 30%, while a 24/7 production line ensures 95% on-time delivery. For urgent orders, we offer expedited processing within 48 hours—a benchmark trusted by Fortune 500 partners.Global Industry Leadership
Serving 150+ clients across 30 countries, including Siemens (energy) and Boeing (aerospace), we’ve delivered over 50,000 tons of alloys since 2010. Third-party audits confirm a 0.3% defect rate, reinforcing our reputation for reliability.
In conclusion, Incoloy 825 pipe and tube is a versatile material with outstanding corrosion resistance, high-temperature strength, and good fabricability. Its unique chemical composition and physical properties make it ideal for demanding applications in various industries. The meticulous manufacturing process ensures consistent quality and performance, making Incoloy 825 a reliable choice for critical components in harsh environments.
If you have any questions, you can consult to our staff and they will offer the solutions for you. Our company has the customerized service for you.
FAQ
Can you provide samples?
For small parts, we can provide free samples of regular sizes, but the shipping costs must be borne by you. For large samples, we will include it in the order amount. Please confirm with our sales department according to your specific requirements.
What are the payment methods?
Currently we only support TT payment with 30% advance payment. After we provide the product quality inspection report and video inspection, you pay 70% of the final payment.
Do you support customized sizes?
We provide various forms such as plates, rods, and pipes, with a minimum processing accuracy of ± 0.02mm. The customization cycle is usually 7-15 working days, and specific details need to be confirmed with the sales team.
How long is your delivery time?
It is usually 35 days, but it is also affected by your specific requirements or order quantity.
What is the minimum order quantity?
Our minimum order quantity is 100kg. Larger quantity, lower price.
How do you control product quality?
From raw material selection to packaging for transport, each production step undergoes rigorous testing and evaluation. Only products that pass all tests are approved for export.