Hastelloy C-276 Wires – Manufacturer, Supplier & Exporter in Mumbai, India

Hastelloy C-276 Wires – Manufacturer, Supplier & Exporter in Mumbai, India

Virami Steel Hub is a leading manufacturer, supplier, stockist, and exporter of Hastelloy C-276 Wires in Mumbai, India. We supply premium-grade Nickel-Molybdenum-Chromium alloy wires in various diameters, finishes, and specifications to meet the rigorous demands of chemical processing, oil & gas, marine, pollution control, power generation, and aerospace industries.

We serve clients across India and export globally to the USA, Europe, the Middle East, Africa, and Southeast Asia, ensuring strict adherence to international quality standards and reliable worldwide delivery.

What Are Hastelloy C-276 Wires?

Hastelloy C-276 Wires are corrosion-resistant nickel-molybdenum-chromium alloy wire products known for outstanding resistance to severe chemical environments.

Alloy C-276 offers:

  • Exceptional resistance to pitting and crevice corrosion
  • Superior resistance to chloride stress corrosion cracking
  • Excellent performance in oxidizing and reducing environments
  • High resistance to strong acids such as sulfuric and hydrochloric acid

The alloy’s high molybdenum content enhances resistance to localized corrosion, while chromium improves oxidation resistance.

Key Features

  • Excellent resistance to pitting and crevice corrosion
  • Outstanding resistance to chloride-induced stress corrosion cracking
  • High resistance to sulfuric, hydrochloric, and phosphoric acids
  • Superior mechanical strength
  • Good fabricability and weldability
  • Stable performance in high-temperature corrosive environments
  • Excellent durability in harsh chemical conditions

Chemical Composition (%)

Element Composition (%)
Nickel (Ni) Balance
Chromium (Cr) 14.5 – 16.5
Molybdenum (Mo) 15.0 – 17.0
Iron (Fe) 4.0 – 7.0
Tungsten (W) 3.0 – 4.5
Cobalt (Co) 2.5 max
Manganese (Mn) 1.0 max
Silicon (Si) 0.08 max
Carbon (C) 0.01 max
Vanadium (V) 0.03 max
Phosphorus (P) 0.35 max
Sulfur (S) 0.04 max

Role of Key Elements

  • Nickel: Provides excellent resistance to reducing environments
  • Molybdenum: Enhances resistance to pitting and crevice corrosion
  • Chromium: Improves oxidation resistance
  • Tungsten: Strengthens corrosion resistance in harsh media

Mechanical Properties

  • Tensile Strength: 690 MPa (minimum)
  • Yield Strength: 283 MPa (minimum)
  • Elongation: 40% (minimum)
  • Hardness: 100 HRB (approx., annealed)
  • Density: 8.89 g/cm³

The alloy maintains mechanical integrity across a wide temperature range.


Physical Properties

  • Melting Range: 1325 – 1370°C
  • Modulus of Elasticity: 205 GPa
  • Thermal Conductivity: 11.1 W/m·K
  • Electrical Resistivity: 1.30 µΩ·m
  • Coefficient of Thermal Expansion: 12.4 µm/m°C

These properties ensure dimensional stability and durability under thermal cycling conditions.


Corrosion Resistance

Hastelloy C-276 wires provide exceptional resistance to:

  • Pitting and crevice corrosion
  • Chloride stress corrosion cracking
  • Sulfuric and hydrochloric acids
  • Wet chlorine gas
  • Hypochlorite and chlorine dioxide solutions
  • Marine and sour gas environments

It performs exceptionally well in both oxidizing and reducing chemical conditions.


Heat Treatment

Hastelloy C-276 is not precipitation hardenable and is strengthened primarily by cold working.

Annealing Process:

  • Heat to 1120 – 1175°C
  • Rapid quenching (preferably water cooling)

Annealing restores corrosion resistance and ductility.


Weldability

  • Suitable for TIG (GTAW) and MIG (GMAW) welding
  • No preheating generally required
  • Post-weld heat treatment usually not required
  • Matching filler metal such as ERNiCrMo-4 recommended

The alloy resists weld decay and maintains corrosion resistance in welded joints.


Available Sizes & Specifications

Standards

  • ASTM B574
  • ASTM B575
  • ASTM B622
  • ASME SB574

Size Range

  • Wire Diameter: 0.1 mm to 25 mm
  • Coil Weight: 1 kg to 500 kg
  • Straight lengths as per requirement

Surface Finishes

  • Bright drawn
  • Annealed
  • Polished
  • Cold drawn
  • Pickled

Custom sizes and finishes are available as per client requirements.


Applications

  • Chemical Processing: Reactors, heat exchangers, evaporators
  • Oil & Gas: Sour gas components, offshore equipment
  • Marine Industry: Seawater handling systems
  • Pollution Control: Flue gas desulfurization units
  • Power Plants: Scrubbers and waste treatment systems
  • Aerospace: High-performance corrosion-resistant components

Quality Testing & Inspection

At Virami Steel Hub, Hastelloy C-276 wires undergo strict quality testing:

  • Chemical composition analysis
  • Mechanical and tensile testing
  • Hardness testing
  • Positive Material Identification (PMI)
  • Surface and dimensional inspection

Mill Test Certificates (MTC) are provided as per ASTM and ASME standards. Third-party inspection available upon request.


Why Choose Virami Steel Hub?

  • Trusted manufacturer and exporter in Mumbai, India
  • Large ready-stock inventory
  • Competitive pricing
  • Custom sizes available
  • International standard compliance
  • Prompt global delivery

Our commitment to quality, reliability, and customer satisfaction makes us a preferred global supplier.


Conclusion

Hastelloy C-276 Wires are high-performance nickel-molybdenum-chromium alloy wire products designed for extremely corrosive and high-temperature environments. With exceptional resistance to pitting, crevice corrosion, and aggressive chemicals, they are widely used in chemical processing, oil & gas, marine, and pollution control industries worldwide.

Virami Steel Hub supplies certified Hastelloy C-276 wires in various sizes and specifications, ensuring durability, reliability, and long-term performance in demanding industrial applications.

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