Inconel 718 Round Bars | Alloy 718 ASTM B637 UNS N07718 Round Bars

Name: Inconel 718 Bars
Brand: Solitaire Overseas
SKU: UNS N07718
Availability: InStock

Inconel 718 Round Bars Manufacturer, Supplier & Exporter in India

High-performance Inconel 718 round bars are the high quality nickel based alloys that are known as high mechanical and corrosion resistant alloys. Made as per the ASTM B637 standards, the bars are available in hot-worked and cold-worked versions of precipitation-hardened bars, which are intended to be used under high temperatures. UNS N07718 has a rare kind of chemistry that guarantees Inconel 718 to stay strong, stable, and durable even in extreme conditions.

The precipitation hardening process increases the tensile strength of the alloy. The trace elements are added to the nickel-niobium matrix by age hardening Inconel 718 bars and make a gamma double prime phase. The stage greatly enhances the general mechanical characteristics, such as tensile strength and anti-corrosion ability. These improvements render the Inconel 718 round bars very appropriate for the severe industrial applications.
The alloy is quite suitable in aerospace components since it is superior in creep and oxidation resistance. The oxide coating that is passivated on its surface adds even more durability to it, and therefore it is suitable in high-temperature conditions. Inconel 718 is also applied in marine engineering, gas turbines, and other challenging industrial demands in the field of aerospace, as well as where strength, reliability, and durability matter.
Solitaire Overseas is a trusted inconel round bar suppliers, manufacturer, and exporter of. We ensure all our bars are high quality and deliver the greatest performance. The selection of a dependable supplier ensures the consistency of material properties, accuracy of sizes, and efficiency in the long term for all high-quality engineering needs.
Contact us today for premium-quality Inconel Round Bars at competitive prices with reliable global delivery.

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What is Inconel 718 Round Bar?

Inconel 718 Round Bar is a solid cylindrical bar which is made of the nickel chromium superalloy UNS N07718 and is of great strength and durability and can withstand the extremes. It is composed of nickel, chromium, molybdenum, titanium, iron, aluminium, and columbium that are best in corrosion resistance and high-temperature functioning, up to about 1300°C (704°C). Inconel 718 has a high temperature as well as a cryogenic temperature, thus it is used in vital tasks like turbine blades, jet engines, control rods, airframe components, and cryogenic storage tanks. These are round bars and are common in aerospace, marine, chemical processing and military industries to produce gears, shafts, axles, flywheels and seamless pipes. They exist in a variety of shapes, such as round, hex, and flat, as well as square bars, can be used in accordance with ASTM B637, UNS, ASME, ANSI, and EN standards, and are available in a variety of diameters between 0.5 mm and 500 mm and lengths between 50 mm and 6000 mm.

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Inconel 718 Round Bar Specification

These specifications highlight the key standards, dimensions, and characteristics of Inconel 718 round bars to ensure optimal performance in high-temperature and corrosion-resistant applications.

Specification	ASTM B637 / ASME SB 637
UNS Designation	N07718
Werkstoff Nr.	2.4668
Other Standards	AMS 5662, AMS 5663, AMS 5664, SAE AMS 5962, NACE MR0175
Forms	Round, Square, Hex, Flat, Forged, Rectangle, Billet
Round Bar Sizes	4mm to 500mm Diameter
Square Bar Sizes	18mm to 47mm
Hex Bar Sizes	18mm to 57mm
Flat Bar Sizes	12.7mm to 254mm Width, 2mm to 150mm Thickness
Length	1 to 6 meters, Custom Cut Lengths
Finish	Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
Condition	Hot Rolled, Cold Drawn, Annealed, Precipitation Hardened, Forged

Inconel 718 Bars Chemical Composition

The chemical composition table provides the percentage of nickel, chromium, iron, and other elements present in Inconel 718 bars, ensuring compliance with industry standards.

Element	Nickel	Chromium	Columbium (Niobium)	Molybdenum	Titanium	Aluminum	Cobalt	Carbon	Manganese	Silicon	Phosphorus	Sulfur	Boron	Copper
Content (%)	50.00-55.00	17.00-21.00	4.75-5.50	2.80-3.30	0.65-1.15	0.20-0.80	1.00 max	0.08 max	0.35 max	0.35 max	0.015 max	0.015 max	0.006 max	0.30 max

Inconel 718 Round Bars Mechanical Properties

This table lists the mechanical properties such as tensile strength, yield strength, and elongation of Inconel 718 round bars under different conditions.

Property	Metric	Imperial
Tensile Strength	1240 MPa	180000 psi
Yield Strength (0.2% Offset)	1034 MPa	150000 psi
Elongation at Break	12%	12%
Hardness	44 HRC	44 HRC
Modulus of Elasticity	200 GPa	29000 ksi
Melting Point	1260 - 1340 °C	2300 - 2450 °F

Inconel 718 Round Bars Equivalent Grade

Check this table for global equivalents of Inconel 718 round bars across various standards to help you select the right material for international projects.

Standard	Werkstoff Nr.	UNS	AFNOR
Inconel 718	2.4668	N07718	NC19FeNb

UNS N07718 Round Bar Size Chart

Find all available sizes and dimensions of UNS N07718 round bars in this chart for easy reference during selection and procurement.

Diameter (Inch)	Bar Size	Diameter (mm)	Bar Size
0.250″	#2	6 mm	6
0.375″	#3	8 mm	8
0.500″	#4	10 mm	10
0.625″	#5	12 mm	12
0.750″	#6	16 mm	16
0.875″	#7	20 mm	20
1.000″	#8	25 mm	25
1.125″	#9	28 mm	28
1.250″	#10	32 mm	32
1.375″	#11	35 mm	35
1.750″	#14	44 mm	44
2.250″	#18	57 mm	57

Inconel Alloy 718 Round Bar Sizes

This table provides the standard sizes of Alloy 718 round bars, including diameter and length options suitable for diverse industrial applications.

Material	Diameter	Length	Make
Inconel 718 Round Bar	0.5 mm to 500 mm	50 mm to 6000 mm	Indian, European, Japanese
Inconel 718 Flat Bar	As per client requirement	As per client requirement	Indian, European, Japanese
Inconel 718 Hex Bar	As per client requirement	As per client requirement	Indian, European, Japanese
Inconel 718 Square Bar	As per client requirement	As per client requirement	Indian, European, Japanese

HS Code of Inconel 718 Bar

Refer to the HS code table for Inconel 718 bars, which is useful for customs, shipping, and international trade documentation.

Product Description	HS Code
Inconel 718 Bar	75051220

Thickness Chart of Alloy Inconel 718 Hex Bar

The thickness chart displays dimensions of hexagonal Inconel 718 bars, helping you choose the right size for your project requirements.

Thickness (inch)	Weight (Kgs / Mtr)
1/8″	0.0062
1/4″	0.0248
1/2″	0.0992
6mm	0.0223
8mm	0.0398
10mm	0.0620
12mm	0.0889
15mm	1.0391

Nickel Alloy 718 Round Bar Tolerances

This table shows the permissible dimensional tolerances for Inconel 718 round bars to ensure proper fit and precision in manufacturing.

Condition	Diameter Specification	Tolerance (over/under)
Hot Rolled	Up to 1" incl.	+/- 0.016"
Hot Rolled	Over 1" to 2" incl.	+ 0.031" / - 0.016"
Hot Rolled	Over 2" to 4" incl.	+ 0.047" / - 0.031"
Hot Rolled	Over 4"	+ 0.125" / - 0.063"

Forms of Inconel 718 Bar

Check the available forms of Inconel 718 bars, including round, hex, and square shapes, suitable for different engineering and industrial applications.

Inconel 718 Round Bar

Alloy 718 Flat Bar

Nicrofer 5219 Square Bar

DIN 2.4668 Rectangle Bar

Nickel 718 Bright Bar

Werkstoff 2.4668 Cold Drawn Bar

UNS N07718 Forged Bar

Inconel 2.4668 Polished Bar

Alloy 718 Rod Heat Treatment

This table outlines recommended heat treatment processes for Inconel 718 rods to enhance mechanical properties and ensure long-term performance.

Type	Process Details
Solution Treatment	Heat to 1700°- 1850°F (927°-1010°C) then air cool or faster.
Precipitation Hardening	Heat to 1325° F (718°C) for 8 hours, furnace cool to 1150° F (621°C) and hold for a total aging time of 18 hours. Air cool.

Applications of Inconel 718 Round Bars

Aerospace: Jet engine components, gas turbine parts, rocket motors, and fasteners.
Oil and Gas: Downhole shafts, wellhead parts, valves, and pump components.
Chemical Processing: High-temperature reactor vessels and piping.
Marine: Submarine components and high-strength shafts.
Nuclear: Reactor core and control rod parts.

Why Choose Solitaire Overseas for Inconel 718 Round Bars?

We are a specialized manufacturer and supplier with deep expertise in precipitation-hardenable superalloys like Inconel 718.
Our efficient production and global sourcing allow us to offer a highly competitive price on all Alloy 718 products.
Every Inconel 718 Bar is supplied with a full Mill Test Certificate (MTC) to EN 10204 3.1, guaranteeing chemical and mechanical properties.
We can supply material in the annealed or aged condition, in forms including round, hex, square, and flat bars.
As an experienced exporter, we manage all logistics and documentation for fast and reliable delivery worldwide.

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FAQs about Inconel 718 Round Bars

What is Inconel 718 used for?

Inconel 718 is used in industries where high strength, corrosion resistance, and heat tolerance are essential. It is commonly applied in aerospace components, gas turbines, pressure vessels, and chemical processing equipment. Its ability to perform in extreme environments makes it ideal for high-temperature and high-stress applications.

What are the primary applications of Inconel 718 round bars?

Commonly used in aerospace, chemical processing, power generation, and marine industries for components like turbine blades, valves, and pressure vessels.

Is Inconel 718 approved for use in pressure vessels?

Yes, Inconel 718 meets the requirements of ASME Boiler & Pressure Vessel Code for pressure vessel applications.

Do you provide material test certificates (MTCs)?

Yes, Solitaire Overseas provides MTCs for all Inconel 718 round bars, ensuring traceability and compliance with industry standards.

What is the difference between Inconel and Inconel 718?

Inconel is a family of nickel-chromium-based superalloys known for high strength and corrosion resistance. Inconel 718 is a specific grade within this family, engineered for superior mechanical properties, including high tensile strength, excellent fatigue resistance, and enhanced performance at elevated temperatures. It is widely used in aerospace, nuclear, and high-temperature industrial applications.

Get Your Inconel 718 Bar Price Today!

Ready to source premium Inconel 718 Round Bars for your critical, high-temperature application? Trust Solitaire Overseas Centre to be your dedicated supplier and manufacturer. We are committed to providing fully certified material that meets the highest industry standards like ASTM B637 and AMS 5663, all at a highly competitive price. Contact us today.

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