Customization: | Available |
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Type: | Nickel Pipe |
Standard: | AISI, ASTM, DIN, JIS, GB, BS |
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INCONEL 725 (UNS N07725) is a high-strength, corrosion-resistant nickel-based alloy designed for demanding environments, particularly in the marine, oil & gas, and chemical processing industries. This precipitation-hardenable alloy offers excellent resistance to pitting, crevice corrosion, and stress-corrosion cracking in both oxidizing and reducing environments, especially in harsh subsea and sour gas conditions.
Property | Value |
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Alloy Name | INCONEL 725 (UNS N07725) |
Composition | 55-59% Nickel, 19-22.5% Chromium, 7-9.5% Molybdenum, 2.75-4% Niobium, 0.5-1.5% Titanium |
Density | 8.4 g/cm³ |
Tensile Strength | 965 MPa (140,000 psi) |
Yield Strength | 690 MPa (100,000 psi) |
Elongation | 30% |
Hardness | 200-300 HB |
Corrosion Resistance | Excellent resistance to pitting, crevice corrosion, and stress-corrosion cracking, especially in sour gas environments |
Temperature Range | -253°C to 649°C (-423°F to 1200°F) |
Applications | Oil & gas (subsea components), marine, chemical processing, aerospace |
Form | Round Pipe, Tube, Sheet, Bar |
INCONEL 725 (UNS N07725) is a precipitation-hardenable nickel-chromium-molybdenum-niobium alloy that offers outstanding corrosion resistance and high strength after heat treatment. Unlike many other high-strength alloys, INCONEL 725 maintains excellent ductility and toughness, making it suitable for applications exposed to extreme pressures and corrosive environments.
Its superior corrosion resistance to seawater, sour gas (containing hydrogen sulfide), and aggressive chemicals makes INCONEL 725 a preferred material in offshore oil rigs, chemical plants, and marine applications. The addition of molybdenum and niobium enhances its resistance to localized corrosion, such as pitting and crevice corrosion, while precipitation hardening improves its mechanical strength without compromising corrosion resistance.
INCONEL 725's combination of high strength, superior corrosion resistance, and excellent toughness in both high and low temperatures makes it an ideal choice for critical applications where performance and durability are paramount.
1. What is INCONEL? INCONEL is a family of high-performance, heat-resistant alloys primarily made of nickel, chromium, and iron. These alloys are designed to withstand extreme temperatures and resist oxidation, corrosion, and thermal fatigue, making them ideal for use in high-temperature environments.
2. What are the main types of INCONEL alloys? Some of the most common types of INCONEL alloys include:
3. What are the properties of INCONEL alloys?
4. What are the common applications of INCONEL alloys? INCONEL alloys are widely used in applications where high strength and corrosion resistance at elevated temperatures are essential, including:
5. How do INCONEL alloys compare to other high-temperature materials?
INCONEL alloys offer superior high-temperature performance compared to other metals such as steel or titanium. They provide better oxidation and corrosion resistance, especially in environments with high heat and aggressive chemicals. They also exhibit greater stability and strength over a wide range of temperatures.
6. Can INCONEL alloys be welded?
Yes, INCONEL alloys can be welded using various welding techniques, including TIG (Tungsten Inert Gas) and MIG (Metal Inert Gas) welding. Proper welding procedures are required to maintain the material's high strength and resistance properties, often involving pre-heating or post-weld heat treatment to reduce the risk of cracking.
Yes, we provide free technical support services. Our engineering team can assist with material selection, processing techniques, performance testing, and more. Whether it's product selection or engineering design, we can provide professional consulting services.
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Yes, we offer worldwide shipping. Our experienced logistics team can assist with various international shipping issues, including transportation options, customs handling, and destination requirements.
We accept various payment methods, including bank transfers, credit card payments, PayPal, and more. The specific payment method can be confirmed based on the order amount and customer preferences.
Due to the customized or specialty nature of Hastelloy materials, our return and exchange policy is strict. Standard stock products can be returned or exchanged if they are unused and unprocessed. Please confirm the return/exchange conditions and process with our sales team before placing an order.
We can provide the following certifications and documents:
Yes, we provide customized processing services for Hastelloy alloys, including cutting, welding, precision machining, and more. Whether it's standard dimensions or special requirements, we can process the materials to meet your needs.
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