Virami Steel Hub is a leading manufacturer, supplier, stockist, and exporter of Hastelloy C22 Wires in Mumbai, India. We provide high-performance Nickel-Chromium-Molybdenum alloy wires in a wide range of diameters, finishes, and specifications to meet the stringent requirements of chemical processing, oil & gas, marine, pharmaceutical, power generation, aerospace, and pollution control industries.
With a strong supply network across India and exports to the USA, Europe, the Middle East, Africa, and Southeast Asia, we ensure strict compliance with international quality standards and reliable global delivery. Our focus remains on precision manufacturing, certified materials, and consistent product performance in demanding industrial environments.
Hastelloy C22 wires are corrosion-resistant nickel-based alloy wires made from a Nickel-Chromium-Molybdenum composition with added tungsten. This alloy is well known for its exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in chloride-rich and highly aggressive chemical environments.
Alloy C22 is considered an improvement over C-276 in terms of enhanced resistance to localized corrosion. It performs exceptionally well in both oxidizing and reducing conditions, making it one of the most versatile corrosion-resistant alloys available today.
Hastelloy C22 wires are widely used in applications requiring long-term durability, structural stability, and resistance to chemical attack under elevated temperatures and pressures.
Key Features of Hastelloy C22 Wires
These features make Hastelloy C22 wires ideal for severe service conditions where conventional stainless steels and other alloys fail.
| Element | Composition (%) |
|---|---|
| Nickel (Ni) | Balance |
| Chromium (Cr) | 20.0 – 22.5 |
| Molybdenum (Mo) | 12.5 – 14.5 |
| Tungsten (W) | 2.5 – 3.5 |
| Iron (Fe) | 2.0 – 6.0 |
| Cobalt (Co) | ≤ 2.5 |
| Manganese (Mn) | ≤ 0.5 |
| Silicon (Si) | ≤ 0.08 |
| Carbon (C) | ≤ 0.015 |
| Phosphorus (P) | ≤ 0.02 |
| Sulfur (S) | ≤ 0.02 |
| Vanadium (V) | ≤ 0.35 |
Role of Key Elements
The carefully balanced composition makes C22 one of the most corrosion-resistant commercially available alloys.
Hastelloy C22 wires maintain strong mechanical properties at both low and elevated temperatures. Cold working can significantly increase tensile strength and hardness while maintaining acceptable ductility.
These physical characteristics ensure dimensional stability, strength under thermal cycling, and long service life in high-temperature operations.
Hastelloy C22 wires are highly resistant to:
The alloy performs exceptionally well in environments where both oxidizing and reducing agents are present. This makes it particularly valuable in chemical reactors, heat exchangers, and flue gas desulfurization systems.
Hastelloy C22 is not precipitation hardenable. It achieves increased strength through cold working rather than heat treatment.
Annealing Process:
Proper annealing restores corrosion resistance, improves ductility, and relieves internal stresses.
Hastelloy C22 wires offer excellent weldability and can be used in:
Key advantages:
The alloy maintains corrosion resistance even in welded joints, making it suitable for fabrication-intensive applications.
Hastelloy C22 has moderate machinability due to work-hardening tendencies.
With proper machining techniques, high precision and smooth surface finishes can be achieved.
Standards
Size Range
Surface Finishes
Custom sizes, tolerances, and finishes are available based on project specifications.
Chemical Processing Industry
Oil & Gas Industry
Marine Industry
Pollution Control
Pharmaceutical & Power Generation
The alloy’s versatility makes it a preferred choice in environments exposed to aggressive chemicals and extreme temperatures.
These advantages result in enhanced operational reliability and cost efficiency over time.
At Virami Steel Hub, Hastelloy C22 wires undergo strict quality control procedures, including:
Mill Test Certificates (MTC) are provided in accordance with ASTM and ASME standards. Third-party inspections can also be arranged as per client requirements.
We ensure safe packaging and timely global shipment to maintain product integrity during transit.
Our commitment to quality, technical expertise, and customer satisfaction makes us a preferred global supplier of high-performance nickel alloys.
Hastelloy C22 Wires are advanced nickel-chromium-molybdenum alloy wire products engineered for extreme chemical and high-temperature environments. With exceptional resistance to pitting, crevice corrosion, chloride stress corrosion cracking, and mixed acid exposure, they are widely used in chemical processing, oil & gas, marine, pollution control, and power generation industries worldwide.
By choosing Virami Steel Hub, customers receive certified, high-quality Hastelloy C22 wires designed to deliver durability, reliability, and long-term performance in the most demanding industrial applications.
