Incoloy 825 800H Alloy Tube
Incoloy 800: ASTM B409, ASTM B407
Incoloy 825: ASTM B424, ASTM B425
As a leading supplier and manufacturer in China, GNEE Steel provides cost-effective nickel-based alloy products.
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Gnee Super Alloy (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of incoloy 825 800h alloy tube in China. If you're going to wholesale high quality incoloy 825 800h alloy tube made in China, welcome to get free sample from our factory. Good service and reasonable price are available.
Incoloy 825 800H Alloy Tube introduce
Incoloy 825 Tube


Incoloy 800H vs 825 are two widely used nickel-iron-chromium alloys that are known for their excellent corrosion resistance, mechanical strength, and suitability for high-temperature environments. While these alloys share many characteristics, they also have distinct differences that make them ideal for specific applications. This blog will explore the features, differences, and uses of Incoloy 800 and 825.
Incoloy 825 is a nickel-iron-chromium alloy with the addition of molybdenum, copper, and titanium. It is designed to provide exceptional resistance to reducing and oxidizing acids, stress corrosion cracking, and pitting. Incoloy 825 is particularly well-suited for chemical processing, pollution control, and oil and gas applications.
Incoloy 800H is a nickel-iron-chromium alloy with excellent resistance to oxidation, carburization, and nitridation in high-temperature environments. It retains its strength and stability at elevated temperatures, making it suitable for applications such as heat exchangers, furnace components, and petrochemical processing.
Chemical Composition: Incoloy 800H vs 825 Alloy
| Element | Incoloy 800H | Incoloy 825 |
|---|---|---|
| Ni | 30–35% | 38–46% |
| Cr | 19–23% | 19.5–23.5% |
| Fe | Balance | Balance |
| Mo | – | 2.5–3.5% |
| Cu | – | 1.5–3% |
| Ti | ≤ 0.6% | 0.6–1.2% |
| C | ≤ 0.10% | ≤ 0.05% |
| Si | ≤ 1.0% | ≤ 0.5% |
| Mn | ≤ 1.5% | ≤ 1.0% |
Mechanical Behavior: Incoloy 800H vs 825 Alloy
| Property | Incoloy 800H | Incoloy 825 |
|---|---|---|
| Tensile Strength | ≥ 450 MPa | ≥ 550 MPa |
| Yield Strength | ≥ 170 MPa | ≥ 220 MPa |
| Elongation | ≥ 30% | ≥ 30% |
| Hardness (Rockwell) | B85–B90 | B88–B93 |
Applications
Incoloy 800H: Ideal for high temperature industrial applications such as heat exchangers and furnace components.
Incoloy 825: Suitable for chemical processing, pollution control and environments where acid resistance is critical.
Heat Resistance
Incoloy 800H is designed for high temperature applications and can withstand temperatures up to 1100°C. Incoloy 825 can withstand high temperatures but is better known for its corrosion resistance.
Corrosion Resistance
Because Incoloy 825 contains molybdenum and copper, it performs better than Incoloy 800H in environments containing reducing agents such as sulfuric and phosphoric acids.
Which is better? Incoloy 800 vs. 825 alloy
The choice between Incoloy 800 and 825 depends on your application requirements:
For high-temperature, structural integrity-critical applications, choose Incoloy 800.
In environments with corrosive media, especially acids, choose Incoloy 825.
GNEE Group Factory Environment
Incoloy 825 Alloy Tube

GNEE Group Product Packaging
Incoloy 800H Alloy Tube

FAQ
Q: What does your factory do in terms of quality control?
A: We have obtained ISO, CE and other certifications. From materials to products, we check every process to maintain good quality.
Q: What are the advantages of your company?
A: We have many professionals, technicians, more competitive prices and the best after-sales service than other stainless steel companies.
Q: How many countries have you exported to?
A: Exported to more than 50 countries, mainly from the United States, Russia, the United Kingdom, Kuwait, Egypt, Turkey, Jordan, India, etc.
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