Hangbo Alloy Group offers a wide range of materials, including round bars, steel plates, strips, seamless pipes, forged products, and wire. Below is a comprehensive overview of Incoloy 926:
Detailed Introduction to Incoloy 926
Incoloy 926(UNS N08926) is an alloy composed primarily of nickel (approximately 25%), iron, and chromium, along with molybdenum and nitrogen to enhance its corrosion resistance. This material is designed for high-corrosion environments, particularly in applications involving aggressive chemicals or high temperatures. Its composition gives it excellent resistance to stress corrosion cracking, pitting, and crevice corrosion, making it an ideal choice for demanding industrial applications.
Equivalent Grades by Country:
• ASTM: Incoloy 926
• ASME: UNS N08926
• DIN: W.Nr.1.4529
• BS: X1NiCrMoCu
International Standards for Incoloy 926 Products
The following table outlines the applicable standards for Incoloy 926 in various forms:
| Product Form | Standards |
|---|---|
| Plates/Sheets | ASTM B625, ASTM A240 |
| Round Bars | ASTM B649 |
| Seamless Pipes | ASTM B677, ASTM B829 |
| Welded Pipes | ASTM B673, ASTM B775 |
| Welded Tube | ASTM B674 |
Chemical Composition of Incoloy 926
The chemical composition of Incoloy 926 is summarized in the following table:
| Element | Percentage (%) |
|---|---|
| Nickel (Ni) | 24.0 - 26.0 |
| Iron (Fe) | Balance |
| Chromium (Cr) | 19.0 - 21.0 |
| Molybdenum (Mo) | 6.0 - 7.0 |
| Manganese (Mn) | 2.00 max |
| Silicon (Si) | 0.50 max |
| Carbon (C) | 0.02 max |
| Nitrogen (N) | 0.15-0.25 |
| Phosphorus (P) | 0.030 max |
| Copper(Cu) | 0.50-1.50 |
| Sulfur (S) | 0.010 max |
Physical Properties of Incoloy 926
Key physical properties of Incoloy 926 are outlined in the table below:
| Property | Value |
|---|---|
| Density | 8.03 g/cm³ |
| Melting Point | 1320 - 1390 °C |
Material Characteristics
Incoloy 926 is characterized by several key properties:
• Corrosion Resistance: Outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in environments containing chlorides and sulfuric acid.
• High-Temperature Performance: Excellent high-temperature oxidation resistance, making it suitable for use in harsh environments and industrial furnaces.
• Mechanical Strength: Maintains high strength and ductility at elevated temperatures, ensuring long-term reliability under mechanical stress.
• Weldability: Offers good weldability, which allows for easier fabrication and forming into complex shapes.
Applications of Incoloy 926
Incoloy 926 is used in a variety of industrial applications, including:
• Chemical Processing: Incoloy 926 is commonly used in chemical processing equipment, such as heat exchangers, reactors, and vessels, due to its superior corrosion resistance in acidic and chloride-rich environments.
• Power Generation: Its resistance to high-temperature corrosion and oxidation makes it ideal for components in power generation, including combustion chambers and furnace parts.
• Petrochemical Industry: Often employed in the production of chemical intermediates, where exposure to corrosive substances such as acids and salts is a concern.
• Marine and Offshore: Excellent for marine applications, including seawater desalination systems and offshore drilling platforms, due to its resistance to seawater corrosion.
• Food Processing: Can be used in environments where materials are exposed to highly corrosive substances such as acids or alkalis in food processing.
