Corrosion-Resistant Hastelloy C-22 Pipes – Long-Lasting & Reliable

Hastelloy C-22 pipes are widely recognized for their exceptional corrosion resistance and durability, making them a preferred choice for industries that require long-lasting and reliable materials. Manufactured using a nickel-based alloy, these pipes offer superior resistance to oxidizing and reducing environments, ensuring excellent performance in harsh industrial applications.

Material Overview

Hastelloy C-22 (UNS N06022) is a high-performance nickel-chromium-molybdenum alloy with enhanced resistance to various forms of corrosion. It is particularly effective in environments containing strong oxidizers, reducing agents, and localized corrosion factors.

Chemical Composition:

• Nickel (Ni): Balance

• Chromium (Cr): 20.0-22.5%

• Molybdenum (Mo): 12.5-14.5%

• Iron (Fe): 2.0-6.0%

• Cobalt (Co): ≤ 2.5%

• Tungsten (W): 2.5-3.5%

• Carbon (C): ≤ 0.015%

• Manganese (Mn): ≤ 0.50%

• Silicon (Si): ≤ 0.08%

• Sulfur (S): ≤ 0.02%

Key Features and Benefits

• Exceptional Corrosion Resistance: Resists pitting, crevice corrosion, and stress corrosion cracking in highly aggressive environments.

• High Strength and Durability: Withstands extreme temperatures and mechanical stress without compromising structural integrity.

• Versatile Applications: Suitable for both oxidizing and reducing media, making it highly adaptable to different industrial processes.

• Longevity and Cost Efficiency: Reduces maintenance and replacement costs due to its outstanding resistance to degradation.

Applications of Hastelloy C-22 Pipes

Hastelloy C-22 pipes are extensively used in industries where high corrosion resistance is critical. Some key applications include:

1. Chemical Processing: Ideal for transporting aggressive chemicals, including hydrochloric acid, sulfuric acid, and chlorine compounds.

2. Pharmaceutical Industry: Used in drug manufacturing processes where contamination-free environments are essential.

3. Power Plants: Applied in flue gas desulfurization systems, heat exchangers, and condensers.

4. Aerospace & Marine: Resistant to saltwater corrosion, making it suitable for offshore platforms and aerospace components.

5. Waste Treatment Facilities: Ensures safe handling of acidic and toxic waste materials.

Manufacturing Process

The production of Hastelloy C-22 pipes involves strict quality control and precision engineering:

1. Raw Material Selection: Premium-grade Hastelloy C-22 alloy is used.

2. Pipe Forming: Pipes are manufactured through extrusion or seamless methods for enhanced strength and uniformity.

3. Heat Treatment: Solution annealing is performed to improve mechanical properties and corrosion resistance.

4. Surface Finishing: Pipes undergo pickling and passivation to remove impurities and enhance longevity.

5. Quality Testing: Includes hydrostatic, ultrasonic, and chemical analysis to ensure compliance with ASTM B622 and ASTM B619 standards.

Market Demand & Customer Requirements

• Customization: Available in various sizes, thicknesses, and specifications to meet industrial needs.

• Bulk Supply & Factory Direct Pricing: Ensures cost-effectiveness for large-scale projects.

• Global Availability: Reliable distribution networks for fast delivery worldwide.

• Compliance with Industry Standards: Meets international regulations for safety and performance.