Standard and edition
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Stainless Steel Round Bar | Duplex Steel Round Bar | High Nickel Alloy Round Bar
Inconel / Incoloy Round Bar
Inconel 718 Round Bar. Inconel 718 Round Bar is a high-strength, corrosion-resistant nickel-chromium alloy, widely used in aerospace, oil and gas, and automotive industries. Known for its exceptional performance at elevated temperatures, it's ideal for critical applications such as turbine blades, aircraft components, and high-temperature fasteners.
For a quotation, specify the grade, product standard, dimensions, supply condition, tolerances, testing and delivery destination.
Product information by Piyush Steel India

At a glance
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Buyer selection guide
Begin with the drawing, equipment specification, or governing code. The product name identifies the material route; acceptance depends on the complete purchase specification.
Common applications
Inconel 718 Round Bar finds application in aerospace, oil and gas, and automotive industries for critical components like turbine blades, aircraft components, and high-temperature fasteners, owing to its high-strength and corrosion-resistant properties even at elevated temperatures.
Specifications
| Equivalent : | Inconel 718 Bar | Alloy 718 Round Bar | UNS N07718 Bars | 2.4668 Round Bar | JIS NCF 718 Round Bar | ASTM B637 Inconel 718 Bar | ASME SB 637 Nickel Alloy 718 Bars |
|---|---|
| Dimensions: | ASTM, ASME, DIN, BS, EN, IS, AMS, JIS, IBR & Other International Standards. |
| Standard: | ASTM B637 / ASME SB637 |
| Inspection & Test Reports : | EN 10204 3.1, Mill Test Certificates, Chemical Reports, PMI Test Reports, Mechanical Reports, Third Party Inspection, NABL Approved Lab, Visual Inspection, Destructive Test and Non-Destructive Test Reports |
| Available Forms: | Round Bar, Rectangular Bar, Square Bar, Hex (A/F) Bar, Rod. |
We maintain ready stock of 718 Inconel Round Bar, Inconel 718 Hex Bar, Inconel 718 Square Bar, 718 Inconel Bright Bar, Inconel Flat Bar and 718 Inconel Rods. Get in touch with us with your requirement for quick quote.
Chemical composition
| Element | Inconel 718 |
|---|---|
| Ni | 50.0-55.0 min |
| C | 0.08 max |
| Mn | 0.35 max |
| S | 0.15 min |
| Si | 0.35 max |
| Cr | 17.0–21.0 |
| Cu | 0.30 max |
| Fe | - |
| Mo | - |
Mechanical properties
| Density: | 8.2 g/cm3 |
|---|---|
| Melting Point: | 1.350 °C (2460 °F) |
| Tensile Strength: | Psi – 1,35,000 , MPa – 930 |
| Yield Strength (0.2%Offset): | Psi – 75,000 , MPa – 482 |
| Elongation: | 45 % |
Technical considerations
Confirm the controlling document; a grade name or cross-reference alone is not a complete acceptance specification.
Check that property values apply to the required diameter, heat treatment, test direction and temperature.
State tolerances, straightness, length, surface finish, machining allowance, and end condition where required.
Define inspection, test reports, marking, heat identification, third-party requirements, and destination documentation.
Equivalent grades
| Standard: | Inconel 718 |
|---|---|
| WERKSTOFF NR. | 2.4668 |
| UNS | N07718 |
| JIS | NCF 718 |
| BS | - |
| GOST | - |
| AFNOR | - |
| EN | - |
Product details
Send your product requirements for a quotation.
Inconel 718 Round Bar is a high-strength, corrosion-resistant nickel-chromium alloy known for its exceptional performance in extreme environments. Alloy 718 Round Bar is widely used in aerospace, oil and gas, and automotive industries, it offers excellent mechanical properties and resistance to oxidation and corrosion at elevated temperatures up to 1300°F (704°C). ASTM B637 Round Bar is commonly utilized in applications such as turbine blades, aircraft components, and high-temperature fasteners, where reliability and durability are critical. It is a precipitation-hardenable nickel-chromium alloy with outstanding mechanical properties, including high tensile and yield strength, excellent fatigue resistance, and good ductility. Its combination of high-temperature strength and corrosion resistance makes it suitable for use in a wide range of demanding applications, including aircraft engines, rocket motors, gas turbines, and nuclear reactors. Additionally, ASME SB637 Round Bar exhibits excellent cryogenic properties, making it ideal for applications requiring reliability in extreme temperature environments.
Piyush Steel India is manufacturer, stockist, exporter and supplier Inconel 718 Round bars conforming to various national and international standards. We are one of the largest stockist of 718 Round Bars.
Piyush Steel India is manufacturer, stockist, exporter and supplier Inconel 718 Bright bars conforming to various national and international standards. We are one of the largest stockist of 718 Bright Bars.
Piyush Steel India is manufacturer, stockist, exporter and supplier Inconel 718 Square bars conforming to various national and international standards. We are one of the largest stockist of 718 Square Bars.
Piyush Steel India is manufacturer, stockist, exporter and supplier Inconel 718 Flat bars conforming to various national and international standards. We are one of the largest stockist of 718 Flat Bars.
Piyush Steel India is manufacturer, stockist, exporter and supplier Inconel 718 Forged bars conforming to various national and international standards. We are one of the largest stockist of 718 Forged Bars.
| Over | Inc. | 7 | 9 | 11 |
|---|---|---|---|---|
| 1mm | 3mm | 0.009 | 0.025 | 0.06 |
| 3 | 6 | 0.012 | 0.030 | 0.07 |
| 6 | 10 | 0.015 | 0.036 | 0.09 |
| 10 | 18 | 0.018 | 0.043 | 0.11 |
| 18 | 30 | 0.021 | 0.052 | 0.13 |
| 30 | 50 | 0.025 | 0.062 | 0.16 |
| 50 | 80 | 0.030 | 0.074 | 0.19 |
| 80 | 120 | 0.035 | 0.087 | 0.22 |
| 120 | 180 | 0.100 | 0.25 | |
| 180 | 250 | 0.29 | ||
| 250 | 315 | 0.32 | ||
| 315 | 400 | 0.36 | ||
| 400 | 500 | 0.40 | ||
| 500 | 0.44 |
Example – 100mm Ø h9 = +0/-0.087, j9 = +0.087/-0.087, k9 = +0.087/-0
90mm Ø h11 = +0/-0.22, j11 = +0.22/-0.22, k11 = +0.22/-0
Request the latest Inconel 718 Bars Price List. Please send an email to sales@piyushsteelroundbars.com for Inconel 718 Bar, Alloy 718 Round Bar, UNS N07718 Bars, 2.4668 Round Bar, JIS NCF 718 Round Bar, ASTM B637 Inconel 718 Bar, ASME SB 637 Nickel Alloy 718 Bars. Ready stock information and updated price list.
Product questions
This product is organized under Inconel / Incoloy Round Bar. Use the category page to compare the grade range.
UNS N07718; ASTM B637. Confirm the applicable standard and edition for your order.
Provide the grade and standard, diameter, length, quantity, condition, finish, tolerance, testing, documentation, destination, and required timing.
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Specification-led enquiries
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