What is Inconel 718 and Its Properties, Uses, and Composition

Inconel 718, renowned for its versatility and high-performance attributes in metallurgy, stands as a top-tier alloy. As the foremost Inconel 718 supplier, trader, stockist, importer, dealer, and exporter in India, MV Super Alloys proudly presents this exceptional material in a myriad of sizes, specifications, and forms to meet diverse project requirements. Our commitment extends to providing competitive Inconel 718 prices in India, ensuring accessibility for a broad spectrum of applications. Whether you are in Mumbai seeking reliable Inconel 718 suppliers or looking for a trusted Inconel 718 stockist, we are your one-stop solution for quality and affordability.

In this blog post, we delve into the details of Inconel 718, exploring its composition, properties, and wide-ranging uses.

 Overview On Inconel 718

Inconel 718, a precipitation-hardening nickel-chromium-iron alloy with niobium and molybdenum, is acknowledged as a high-temperature alloy. Exhibiting strength at 700°C, exceptional toughness, and corrosion resistance in diverse environments, this alloy offers versatility in delivery conditions, allowing for solid solution treatment and precipitation hardening. Notably, Inconel 718 hardness stands out, showcasing excellent plasticity for machining intricate parts. Crucially, the alloy’s properties are further optimized through meticulous Inconel 718 heat treatment, refining its hardness and enhancing welding characteristics, effectively suppressing welding cracks for superior performance in various industries.

Properties of Inconel 718

• High-Temperature Resistance: N07718 alloys retain their strength and structural integrity at elevated temperatures, making them suitable for applications in extreme heat environments.
• Corrosion Resistance: The alloy offers excellent resistance to corrosion and oxidation, ensuring longevity and reliability in harsh operating conditions.
• Tensile and Yield Strength: N07718 alloys boast impressive tensile and yield strength, providing robustness and durability in structural components.
• Fatigue Resistance: The alloy demonstrates exceptional fatigue resistance, making it suitable for applications subjected to repetitive stress and cyclic loading.
• Weldability: Inconel 718 can be easily welded and fabricated, allowing for flexibility in design and manufacturing processes.

Inconel 718 Compositions

The Inconel 718 Compositions include nickel, chromium, iron, niobium, molybdenum, titanium, and aluminum. This precise combination results in a material with exceptional mechanical properties and high-temperature stability.

Element	Percentage
Carbon	0.08 max
Manganese	0.35 max
Phosphorus	0.015 max
Sulfur	0.015 max
Silicon	0.35 max
Chromium	17-21
Nickel	50-55
Molybdenum	2.80-3.30
Columbium	4.75 – 5.50
Titanium	0.65 -1.15
Aluminium	0.20 – 0.80
Cobalt	1.00 max
Boron	0.006 max
Tantalum	0.05 max
Iron	Balance

 

Product Designations and Standards of Inconel 718 Alloys

Our Inconel 718 specifications conform to international standards and are available in a variety of forms.

Product Form	ASTM	ASME	DIN
Sheet, Plate	B 670 B 906	SB 670 SB 906	17744
Strips	B 670	SB 670 SB 906	17744 17750
Pipe & Tubes			17751
Rod, Bar, Forging stock & Wire	B 637	SB 637	17744 17752

 

Inconel 718 Alloy Equivalent

Standard	WERKSTOFF Nr.	UNS	JIS
Inconel 718	2.4668	N07718	NCF 718

 

Mechanical Properties of WR.Nr 2.4668 Alloys

Element	Density	Melting Point	Tensile Strength	Yield Strength	Elongation
Inconel 718	8.2 g/cm3	1350 °C (2460 °F)	Psi – 1,35,000 , MPa – 930	Psi – 75,000 , MPa – 482	45%

 

Uses of Inconel 718

Alloy 718 finds widespread utility owing to its outstanding mechanical properties, encompassing high tensile strength, resistance to creep, extended fatigue life, as well as impressive oxidation and corrosion resistance. This versatile alloy is integral in various applications, playing a pivotal role in the aerospace industry with uses ranging from landing gear components to automotive applications like exhaust manifolds. WR.Nr 2.4668 Alloys also find a place in critical sectors such as medical devices, particularly in orthopedic surgery screws. Its adaptability extends to nuclear power plants, gas turbines, oil refineries, industrial valves, pressure vessels, heat exchangers, and fasteners like bolts and nuts. Notably, its exceptional heat resistance positions it as an ideal material for elevated temperature operations, making it indispensable for applications such as jet engines and combustion chambers in automobiles and motorcycles.

 

Final Words!

Inconel 718 from MV Super Alloys is not just a material; it’s a commitment to excellence, durability, and performance. Elevate your projects with the reliability of our Inconel 718 – where quality meets innovation. Each supply comes with a Material Test Certificate (MTC) to ensure compliance with specified standards. Our services extend to various cities across India, including Hyderabad, Gujarat, Chennai, Bangalore, Mumbai, Telangana, Rajasthan, Delhi, Punjab, and Himachal Pradesh. Explore myriad industrial possibilities with us, your trusted Inconel 718 stockist and Inconel 718 suppliers. Contact us today for top-notch solutions that redefine quality and innovation in every aspect of Inconel 718.

 

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