Inconel 625 Wires – Manufacturer, Supplier & Exporter in Mumbai, India

Inconel 625 Wires – Manufacturer, Supplier & Exporter in Mumbai, India

Virami Steel Hub is a leading manufacturer, supplier, stockist, and exporter of Inconel 625 Wires in Mumbai, India. We supply premium-quality Nickel Alloy 625 wires in various diameters, finishes, and specifications to meet the requirements of offshore, marine, oil & gas, aerospace, power generation, and chemical processing industries.

We supply 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 Inconel 625 Wires?

Inconel 625 Wires are solid solution-strengthened nickel-chromium-molybdenum-niobium alloy wire products known for exceptional strength and outstanding corrosion resistance.

Alloy 625 derives its high strength from the stiffening effect of molybdenum and niobium in a nickel-chromium matrix. It offers excellent resistance to pitting, crevice corrosion, chloride stress corrosion cracking, and high-temperature oxidation.

Inconel 625 wires are widely used in severe environments requiring both high mechanical strength and superior corrosion resistance.

Key Features of Inconel 625 Wires

  • Exceptional resistance to pitting and crevice corrosion
  • Excellent resistance to chloride stress corrosion cracking
  • High tensile and fatigue strength
  • Outstanding weldability
  • Excellent oxidation resistance up to 980°C
  • Good performance in marine environments
  • Non-magnetic in annealed condition

These characteristics make Inconel 625 wires suitable for highly corrosive and high-pressure environments.


Chemical Composition of Inconel 625

Element Composition (%)
Nickel (Ni) 58.0 min
Chromium (Cr) 20.0 – 23.0
Molybdenum (Mo) 8.0 – 10.0
Niobium (Nb) + Tantalum (Ta) 3.15 – 4.15
Iron (Fe) 5.0 max
Carbon (C) 0.10 max
Manganese (Mn) 0.5 max
Silicon (Si) 0.5 max
Sulfur (S) 0.015 max
Aluminum (Al) 0.4 max
Titanium (Ti) 0.4 max

Role of Key Elements

  • Nickel (Ni): Provides resistance to reducing and chloride environments
  • Chromium (Cr): Enhances oxidation and corrosion resistance
  • Molybdenum (Mo): Improves resistance to pitting and crevice corrosion
  • Niobium (Nb): Increases strength through solid solution strengthening

The combined presence of molybdenum and niobium gives Alloy 625 its superior strength and corrosion resistance compared to many other nickel alloys.


Mechanical Properties of Inconel 625 Wires

  • Tensile Strength: 827 MPa (min)
  • Yield Strength: 414 MPa (min)
  • Elongation: 30% (min)
  • Hardness: 220 HB (max, annealed condition)
  • Density: 8.44 g/cm³

Cold working further enhances strength and hardness while reducing ductility.


Physical Properties

  • Melting Range: 1290 – 1350°C
  • Modulus of Elasticity: 205 GPa
  • Thermal Conductivity: 9.8 W/m·K
  • Electrical Resistivity: 1.29 µΩ·m
  • Coefficient of Thermal Expansion: 12.8 µm/m°C

These properties ensure structural integrity in high-temperature and high-pressure conditions.


Corrosion Resistance

Inconel 625 wires offer outstanding resistance to:

  • Pitting corrosion
  • Crevice corrosion
  • Chloride stress corrosion cracking
  • Seawater corrosion
  • Acidic environments
  • High-temperature oxidation

The alloy performs exceptionally well in both marine and chemical processing environments.


Heat Treatment

Inconel 625 is not hardened by precipitation heat treatment; it is strengthened primarily through solid solution strengthening and cold work.

Annealing Process:

  • Heat to 980 – 1100°C
  • Rapid air cooling

Annealing restores ductility and relieves internal stresses.


Weldability

Inconel 625 wires exhibit excellent weldability:

  • Suitable for TIG (GTAW) and MIG (GMAW) welding
  • No preheating generally required
  • Post-weld heat treatment typically not necessary
  • Matching filler metals such as ERNiCrMo-3 recommended

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


Machinability

Inconel 625 has moderate-to-difficult machinability due to work hardening and high strength.

Recommendations:

  • Use rigid equipment and sharp carbide tools
  • Maintain slow cutting speeds
  • Apply adequate coolant
  • Avoid tool dwell to reduce work hardening

Proper machining practices ensure dimensional precision and surface finish.


Available Sizes & Specifications

Standards

  • ASTM B166
  • ASTM B446
  • ASTM B564
  • ASME SB166

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 specifications.


Applications of Inconel 625 Wires

Oil & Gas Industry

  • Subsea components
  • Offshore platforms
  • Flexible risers

Marine Industry

  • Seawater piping
  • Propeller components
  • Mooring cables

Aerospace Industry

  • Aircraft ducting systems
  • Engine components
  • Exhaust systems

Chemical Processing

  • Heat exchangers
  • Reactor vessels
  • Acid processing equipment

Power Generation

  • Nuclear and thermal plant components
  • Turbine components

Its high fatigue strength and corrosion resistance make Inconel 625 ideal for severe service conditions.


Advantages of Inconel 625 Wires

  • Superior resistance to pitting and crevice corrosion
  • High tensile and fatigue strength
  • Excellent weldability
  • Outstanding marine performance
  • Reliable in high-temperature and high-pressure environments
  • Long service life

Quality Testing & Inspection

At Virami Steel Hub, Inconel 625 wires undergo rigorous quality control procedures:

  • Chemical composition analysis
  • Mechanical testing
  • Tensile and yield strength verification
  • Hardness testing
  • Surface inspection
  • Dimensional verification
  • Positive Material Identification (PMI)

Mill Test Certificates (MTC) are provided in accordance with ASTM and ASME standards. Third-party inspection can be arranged upon request.


Packaging & Delivery

  • Moisture-resistant packaging
  • Supplied in coils or straight lengths
  • Export-grade wooden boxes or pallets
  • Proper labeling for complete traceability

We ensure secure packaging and timely worldwide delivery.


Why Choose Virami Steel Hub?

  • Trusted manufacturer and exporter in Mumbai, India
  • Extensive ready stock availability
  • Competitive pricing
  • Custom specifications supported
  • Compliance with international standards
  • Prompt global shipping

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


Conclusion

Inconel 625 Wires are high-performance nickel-based alloy wire products engineered for exceptional strength and corrosion resistance in aggressive environments. With outstanding resistance to pitting, crevice corrosion, chloride stress corrosion cracking, and high-temperature oxidation, they are widely used in oil & gas, marine, aerospace, and chemical processing industries.

Virami Steel Hub supplies certified Inconel 625 wires in various sizes and specifications, ensuring durability, reliability, and long-term performance in demanding industrial applications worldwide.

Products / Services