Product Description
PMI Inconel 625 Bar is a nickel-based alloy known for its outstanding high-temperature performance and corrosion resistance, making it particularly suitable for extreme environments. It offers high strength and toughness from cryogenic temperatures to 1090°C (2000°F), exhibiting high fatigue strength. The alloy demonstrates excellent oxidation resistance and is resistant to a variety of corrosive media, showing minimal susceptibility to stress corrosion cracking in chloride environments. Its applications span across industries such as aerospace, chemical processing, and oil and gas.
This alloy, with its exceptional strength and toughness, serves as an ideal choice for the design of various industrial equipment. It showcases excellent machinability, applicable in components such as pipelines, combustion systems, thrust reversers, fuel nozzles, afterburner tubes, and spray bars. The reliability of PMI Inconel 625 Bar in demanding conditions is ensured through optimized smelting and casting processes.
Material Properties
- High-Temperature Resistance: Maintains shape and provides outstanding thermal stability at continuous operation temperatures of up to 980°C.
- Corrosion Resistance: Exhibits excellent resistance to seawater and chemical media such as sulfuric acid, hydrochloric acid, and hydrofluoric acid, particularly in strongly reducing environments.
- Welding Performance: Offers good weldability with various welding methods, where weld strength is close to that of the base material, effectively preventing hot cracking.
Key Chemical Composition
- Nickel (Ni): ≥58.0%
- Chromium (Cr): 20.0% - 23.0%
- Molybdenum (Mo): 8.0% - 10.0%
- Iron (Fe): ≤ 5.0%
- Aluminum (Al): ≤ 0.4%
- Titanium (Ti): ≤ 0.4%
Mechanical Properties
- Tensile Strength: ≥ 827 MPa
- Yield Strength: ≥ 413 MPa
- Elongation: ≥ 30%
- Hardness: ≤ 150 HBW
- Fatigue Limit: Capable of withstanding 300 MPa of fatigue stress at ambient temperature.
Physical Properties
- Density: 8.44 g/cm³
- Melting Point Range: 1288°C - 1349°C
- Thermal Conductivity: Approximately 9.8 W/m·K
- Specific Heat Capacity: Approximately 0.9 kJ/kg·K
- Coefficient of Linear Expansion: Approximately 13.5 × 10^-6/K ( 20°C to 100°C)
- Electrical Resistivity (Ω·mm²/m): 129
Key Performance Indicators
- High-Temperature Stability: PMI Inconel 625 Bar maintains its mechanical properties unaffected under high-temperature conditions.
- Oxidation Resistance: Good oxidation resistance ensures material integrity even in high-temperature environments.
- Wear Resistance: Suitable for specific applications, it resists wear and extends the service life of components.
Appearance
- Color: Bright silver-gray with a smooth surface finish after cold working.
- Size Specifications: Standard diameter range from 5 mm to 400 mm, with customizable lengths typically ranging from 1 m to 6 m.
Packaging Specifications
- Inner Packaging: High-quality moisture-resistant materials are used to ensure the product is protected from humidity.
- Outer Packaging: Each alloy bar is packaged in a reinforced wooden crate for easy storage and transportation.
- Labeling: Each package clearly marks the product type, specifications, production batch number, and inspection certification for traceability.
Product Applications
- Aerospace: Used for manufacturing internal components and accessories of aircraft engines, capable of withstanding extreme working conditions.
- Chemical Industry: Suitable for reactors and heat exchangers, resistant to corrosive media.
- Oil and Gas: Applied in offshore platforms and pipeline systems, able to endure high-temperature and high-pressure environments.
- Power Generation: Serves as a key component in gas turbines, providing exceptional operational stability. PMI STEEL Inconel 625 alloy has excellent corrosion resistance and high strength.
Best-Selling Specifications
In the market, the most popular specification for PMI Inconel 600 Bars is a diameter of 25mm and a length of 3m. This specification performs exceptionally well in many industrial applications and is suitable for manufacturing critical components and structural parts. The general diameter range is from 10mm to 150mm, accommodating round bars, square bars, and custom shapes to meet the specific needs of different customers and industries.
Advantages and Disadvantages
- Advantages:
- Compared to Inconel 625: Inconel 600 exhibits superior tensile strength and fatigue strength at high temperatures, making it suitable for engineering applications that require enduring higher temperatures and greater loads.
- Compared to Titanium Alloys: Inconel 600 has a better corrosion resistance, making it ideal for long-term applications in chemical and petroleum environments while maintaining superior mechanical properties.
- Disadvantages:
- Higher Cost: Due to the high nickel and chromium content, the production cost of Inconel 600 is higher than that of other alloys, requiring companies to weigh the economic viability of its use.
- Machining Difficulty: The hardness of Inconel 600 during processing may lead to faster tool wear, necessitating the use of appropriate machining techniques and tools, which increases manufacturing complexity.
As a high-performance alloy, PMI Inconel 600 Bars offer excellent high-temperature resistance, corrosion resistance, and good mechanical properties, making them a highly reliable choice across multiple fields. Whether for research and development, industrial manufacturing, or aerospace applications, Inconel 600 effectively meets the demands of various harsh conditions, supporting customers in achieving higher production efficiency and better product quality.
