Inconel X-750 Wires – Manufacturer, Supplier & Exporter in Mumbai, India

Inconel X-750 Wires – Manufacturer, Supplier & Exporter in Mumbai, India

Virami Steel Hub is a leading manufacturer, supplier, stockist, and exporter of Inconel X-750 Wires in Mumbai, India. We offer premium-quality Nickel Alloy X-750 wires in multiple diameters, finishes, and specifications to meet the demanding requirements of aerospace, nuclear, oil & gas, power generation, and high-temperature industrial applications.

We supply across India and export globally to the USA, Europe, the Middle East, Africa, and Southeast Asia, ensuring strict compliance with international quality standards and dependable worldwide delivery.

What Are Inconel X-750 Wires?

Inconel X-750 Wires are precipitation-hardenable nickel-chromium alloys strengthened by additions of aluminum and titanium. This alloy is known for its high strength, excellent fatigue resistance, and good corrosion resistance at elevated temperatures.

Alloy X-750 maintains excellent mechanical properties up to approximately 700°C (1300°F) and provides good resistance to oxidation and stress corrosion cracking.

Due to its exceptional strength and resistance to relaxation, Inconel X-750 wires are widely used in springs, fasteners, and high-temperature structural components.

Key Features of Inconel X-750 Wires

  • High tensile and yield strength
  • Excellent fatigue and creep resistance
  • Good resistance to oxidation and corrosion
  • Resistant to stress corrosion cracking
  • Excellent relaxation resistance
  • Suitable for high-temperature service
  • Good weldability and fabricability

These features make Inconel X-750 wires ideal for critical high-stress applications.


Chemical Composition of Inconel X-750

Element Composition (%)
Nickel (Ni) 70.0 min
Chromium (Cr) 14.0 – 17.0
Iron (Fe) 5.0 – 9.0
Titanium (Ti) 2.25 – 2.75
Aluminum (Al) 0.40 – 1.00
Niobium (Nb) + Tantalum (Ta) 0.70 – 1.20
Carbon (C) 0.08 max
Manganese (Mn) 1.0 max
Silicon (Si) 0.5 max
Sulfur (S) 0.01 max
Copper (Cu) 0.5 max

Role of Key Elements

  • Nickel (Ni): Provides resistance to corrosion and oxidation
  • Chromium (Cr): Enhances oxidation resistance
  • Titanium (Ti) & Aluminum (Al): Enable precipitation hardening for high strength
  • Niobium (Nb): Improves strength and creep resistance

The precipitation-hardening mechanism differentiates Inconel X-750 from solid solution alloys like 600 and 625.


Mechanical Properties of Inconel X-750 Wires (Age Hardened Condition)

  • Tensile Strength: 965 MPa (min)
  • Yield Strength: 690 MPa (min)
  • Elongation: 20% (min)
  • Hardness: 35 HRC (approx., age hardened)
  • Density: 8.28 g/cm³

Mechanical properties vary depending on heat treatment condition (annealed, spring temper, or age hardened).


Physical Properties

  • Melting Range: 1393 – 1427°C
  • Modulus of Elasticity: 207 GPa
  • Thermal Conductivity: 12.3 W/m·K
  • Electrical Resistivity: 1.22 µΩ·m
  • Coefficient of Thermal Expansion: 13.3 µm/m°C

These properties ensure dimensional stability and strength at elevated temperatures.


Corrosion & Oxidation Resistance

Inconel X-750 wires provide good resistance to:

  • High-temperature oxidation
  • General corrosion
  • Stress corrosion cracking
  • Seawater environments
  • Mild acidic conditions

The alloy performs well in both oxidizing and reducing environments, particularly in high-stress applications.


Heat Treatment

Inconel X-750 is strengthened by precipitation hardening.

Typical Heat Treatment Process:

1. Solution Annealing:

  • Heat to 980 – 1095°C
  • Rapid cooling

2. Age Hardening:

  • Heat to 700 – 800°C
  • Controlled cooling

This process enhances strength while maintaining corrosion resistance.


Weldability

Inconel X-750 wires offer good weldability:

  • Suitable for TIG (GTAW) and MIG (GMAW) welding
  • Matching filler metals such as ERNiCrFe-7 recommended
  • Post-weld heat treatment may be required to restore strength

Proper heat treatment ensures optimal mechanical properties after welding.


Machinability

Inconel X-750 has moderate machinability due to high strength and work hardening characteristics.

Recommendations:

  • Use rigid setups and carbide tooling
  • Maintain low cutting speeds
  • Apply adequate coolant
  • Avoid excessive tool dwell

Proper machining practices ensure smooth surface finish and dimensional accuracy.


Available Sizes & Specifications

Standards

  • ASTM B637
  • ASTM B166
  • ASTM B564
  • ASME SB637

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
  • Spring temper

Custom sizes and finishes are available as per client specifications.


Applications of Inconel X-750 Wires

Aerospace Industry

  • Turbine blades
  • Engine components
  • High-temperature fasteners

Oil & Gas Industry

  • Downhole equipment
  • High-pressure components

Nuclear Industry

  • Reactor core components
  • Control rod springs

Power Generation

  • Gas turbine components
  • High-temperature springs

Industrial Applications

  • Fasteners
  • Bolts
  • High-strength springs

Its high strength and relaxation resistance make Inconel X-750 ideal for spring and fastener applications exposed to elevated temperatures.


Advantages of Inconel X-750 Wires

  • Exceptional high-temperature strength
  • Excellent fatigue and creep resistance
  • Good oxidation and corrosion resistance
  • Suitable for precipitation hardening
  • Reliable in high-stress environments
  • Long service life

Quality Testing & Inspection

At Virami Steel Hub, Inconel 925 wires undergo strict quality control procedures:

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

Mill Test Certificates (MTC) are provided in accordance with ASTM B637 and ASME SB637 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 full traceability

We ensure secure packaging and timely global delivery.


Why Choose Virami Steel Hub?

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

Our focus on quality and customer satisfaction makes us a trusted global supplier.


Conclusion

Inconel X-750 Wires are high-strength precipitation-hardenable nickel-chromium alloy wire products designed for high-stress and high-temperature applications. With excellent fatigue resistance, strong creep properties, and good oxidation resistance, they are widely used in aerospace, nuclear, oil & gas, and power generation industries.

Virami Steel Hub supplies certified Inconel X-750 wires in various sizes and specifications, ensuring durability, reliability, and long-term performance in demanding industrial environments worldwide.

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