Inconel 718 Sheets & Plates

Inconel 718 Sheets & Plates - Manufacturer, Supplier & Exporter in Mumbai, India

Virami Steel Hub is a leading manufacturer, supplier, stockist, and exporter of premium-quality Inconel 718 Sheets & Plates in Mumbai, India. We offer high-performance nickel-based alloy products known for their exceptional strength, excellent corrosion resistance, and superior performance in high-temperature and high-pressure environments.

Our Inconel 718 sheets and plates are manufactured using top-grade raw materials and advanced processing techniques to ensure precise dimensions, superior surface finish, excellent mechanical properties, and long service life. We cater to both domestic and global markets, including the USA, Europe, the Middle East, Africa, and Southeast Asia.

What are Inconel 718 Sheets & Plates?

Inconel 718 (UNS N07718) is a nickel-chromium alloy strengthened by precipitation hardening with additions of niobium and molybdenum. It is widely used in applications requiring high strength, excellent fatigue resistance, and outstanding performance at elevated temperatures.

Key Functions:

  • Provide high strength and structural integrity
  • Resist oxidation and corrosion
  • Perform under extreme temperatures and pressure
  • Ensure long-term durability and reliability

Chemical Composition of Inconel 718

Typical Composition:

  • Nickel (Ni): 50% – 55%
  • Chromium (Cr): 17% – 21%
  • Iron (Fe): Balance
  • Niobium (Nb): 4.75% – 5.5%
  • Molybdenum (Mo): 2.8% – 3.3%
  • Titanium (Ti): 0.65% – 1.15%
  • Aluminum (Al): 0.2% – 0.8%

These elements enable precipitation hardening, enhancing strength and performance at high temperatures.


Key Features of Inconel 718 Sheets & Plates

  • Exceptional strength at elevated temperatures
  • Excellent resistance to oxidation and corrosion
  • Superior creep and fatigue resistance
  • Good weldability without cracking
  • High resistance to stress corrosion cracking
  • Excellent performance in extreme environments
  • Long service life with minimal maintenance

Mechanical Properties

  • Tensile Strength: ~965–1200 MPa
  • Yield Strength: ~550–1030 MPa
  • Elongation: ~20%
  • Hardness: Moderate to high

Physical Properties

  • Density: ~8.2 g/cm³
  • Melting Range: ~1260–1336°C
  • Modulus of Elasticity: ~200 GPa
  • Thermal Conductivity: ~11 W/m•K
  • Thermal Expansion: Moderate

Corrosion & Oxidation Resistance

Inconel 718 sheets and plates provide excellent resistance to:

  • High-temperature oxidation
  • Stress corrosion cracking
  • Chloride environments
  • Acidic and alkaline conditions
  • Industrial and marine environments

Heat Treatment

Inconel 718 is strengthened through precipitation hardening.

Typical Heat Treatment Process:

  • Solution Annealing: ~950–980°C
  • Aging Treatment: ~720°C followed by controlled cooling

This enhances strength, hardness, and fatigue resistance.


Weldability

Inconel 718 offers excellent weldability compared to many high-strength alloys.

Welding Methods:

  • TIG (GTAW)
  • MIG (GMAW)
  • SMAW

Best Practices:

  • Use compatible filler materials
  • Control heat input
  • Maintain clean surfaces
  • Avoid contamination

Machinability

  • Difficult machining due to high strength
  • Requires rigid setup and tooling
  • Use sharp carbide tools
  • Maintain low cutting speeds and proper cooling

Standards & Specifications

  • ASTM B670 / ASTM B637
  • UNS N07718
  • AMS 5596 / AMS 5597
  • ASTM B168

Available Types of Sheets & Plates

  • Hot Rolled Plates
  • Cold Rolled Sheets
  • Polished Sheets
  • Perforated Sheets
  • Custom Cut Sizes

Sizes & Specifications

  • Thickness: 0.5 mm to 100 mm
  • Width: Up to 2000 mm
  • Length: Up to 6000 mm or as required

Surface Finish Options:

  • 2B Finish
  • No.1 Finish
  • Mirror Finish
  • Matte Finish

Applications of Inconel 718 Sheets & Plates

  • Aerospace Industry – Aircraft engines, turbine components
  • Oil & Gas Industry – High-pressure equipment
  • Power Generation – Gas turbines and reactors
  • Nuclear Industry – Reactor components
  • Marine Industry – Corrosion-resistant applications
  • Automotive Industry – High-performance engine parts

Quality Testing & Inspection

  • Chemical composition testing
  • Mechanical testing
  • Ultrasonic testing
  • Surface inspection
  • Positive Material Identification (PMI)

Mill Test Certificates (MTC) and third-party inspection reports are provided.


Packaging & Delivery

  • Export-grade wooden packaging
  • PVC protective coating
  • Proper labeling and traceability
  • Safe and timely global delivery

Why Choose Virami Steel Hub?

  • Trusted Inconel 718 supplier in Mumbai
  • Extensive inventory and ready stock
  • Competitive pricing
  • Custom sizes and specifications
  • Compliance with international standards
  • Strong global export network
  • Dedicated customer support

Conclusion

Inconel 718 Sheets & Plates are the preferred choice for applications requiring exceptional strength, corrosion resistance, and performance at elevated temperatures. Their precipitation-hardened structure makes them ideal for aerospace, energy, and high-performance industrial applications.

Virami Steel Hub delivers premium-quality Inconel 718 products that ensure reliability, efficiency, and long-term value.


FAQs – Inconel 718 Sheets & Plates

(1)What is Inconel 718?

It is a nickel-based superalloy known for high strength and excellent performance at elevated temperatures.

Used in aerospace, oil & gas, power generation, and nuclear industries.

Yes, it is strengthened through precipitation hardening.

Yes, it offers excellent weldability compared to similar alloys.

Yes, it performs exceptionally well under high temperature and stress conditions.

Products / Services