Nickel-Chromium-Iron-Molybdenum Alloy Hastelloy G/N06007/Nimofer4520hMo/2.4618/NS3402 Bolt For Extreme Environments And High-Temperature Strength

Hastelloy G (UNS N06007, Nimofer 4520hMo, 2.4618, NS3402) nuts are high-performance fasteners designed for extreme environments. Made from a nickel-molybdenum-chromium-iron alloy, they offer excellent corrosion resistance, particularly in phosphoric, sulfuric, and hydrochloric acids. Their high strength and oxidation resistance make them ideal for chemical processing, power plants, and marine applications. With superior resistance to pitting, crevice corrosion, and stress corrosion cracking, these nuts ensure long-term reliability in aggressive conditions. They are widely used in heat exchangers, reactors, and piping systems where high temperature and corrosive environments demand exceptional material performance. Hastelloy G nuts comply with ASTM and DIN standards, ensuring durability and precision in demanding industrial applications.

Hastelloy G (also known as N06007, Nimofer 4520HMo, 2.4618, NS3402) is a nickel-based corrosion-resistant alloy commonly used in chemical processing, marine, and power plant industries.

Key features of a nut made from this material:

1. Superior Corrosion Resistance

• Excellent resistance to oxidizing and reducing acids, particularly sulfuric, phosphoric, and nitric acids.
• High resistance to chloride-induced pitting, crevice corrosion, and stress corrosion cracking, making it ideal for harsh environments.

2. High Strength and Durability

• Maintains mechanical integrity under high temperatures and extreme pressure.
• Excellent creep and rupture strength, ensuring long service life in demanding applications.

3. Thermal and Chemical Stability

• Performs well at elevated temperatures, typically up to 1200°F (650°C) in aggressive environments.
• Resistant to oxidation and carburization at high temperatures.

4. Applications in Harsh Environments

• Used in chemical processing equipment, heat exchangers, piping systems, and marine applications.
• Suitable for acid production plants, power generation, and aerospace components.

5. Machinability & Weldability

• Can be machined using standard nickel alloy techniques.
• Good weldability with appropriate nickel-based filler materials.

Hastelloy G (also designated as N06007, Nimofer 4520hMo, 2.4618, and NS3402) is a nickel-based corrosion-resistant alloy designed primarily for applications requiring superior resistance to oxidizing and reducing environments, particularly in acidic and chloride-rich conditions.

Nut Applications of Hastelloy G (N06007 / 2.4618 / NS3402)

Nuts made from Hastelloy G are used in industries where high strength, corrosion resistance, and reliability are critical. Here are some key applications:

1. Chemical Processing Industry

• Used in fastening piping, reactors, and vessels exposed to sulfuric acid, phosphoric acid, nitric acid, and hydrochloric acid.
• Ideal for equipment in fertilizer production, petrochemical refining, and industrial acid storage.

2. Marine and Offshore Engineering

• Suitable for nuts and fasteners used in saltwater environments due to excellent resistance to seawater corrosion and crevice corrosion.
• Found in oil platforms, desalination plants, and shipbuilding applications.

3. Aerospace and Aviation

• Used in engine components, structural fasteners, and exhaust systems due to high heat and oxidation resistance.
• Ideal for parts requiring long-term exposure to harsh atmospheric and chemical conditions.

4. Power Plants (Nuclear & Conventional)

• Used in heat exchangers, boilers, and turbine systems where high-temperature corrosion is a concern.
• Essential for nuclear waste processing and other high-radiation environments.

5. Pulp and Paper Industry

• Used in equipment that processes chlorine-based bleaching chemicals, preventing fastener degradation in highly acidic and oxidizing conditions.

6. Pharmaceutical and Food Processing

• Utilized in sterilization units, reactors, and storage vessels where high-purity, non-reactive materials are required.
• Essential for applications where corrosion resistance is critical to prevent contamination.

Key Benefits of Hastelloy G Nuts

✔ Exceptional corrosion resistance to acidic and chloride environments.
✔ High mechanical strength and thermal stability for extreme conditions.
✔ Excellent oxidation resistance in both oxidizing and reducing atmospheres.
✔ Longevity in harsh industrial applications, reducing maintenance costs.

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