Learn some information about ASTM B637 Nickel Alloy 718 Forged Bar
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Learn some information about ASTM B637 Nickel Alloy 718 Forged Bar
ASTM B637 Nickel Alloy 718 Forged Bar, also known as Inconel 718 Bar, is a precipitation-hardenable nickel-chromium superalloy enriched with nickel, chromium, molybdenum, iron, niobium, and titanium. It is prized for its exceptional high-temperature strength, good ductility, corrosion resistance, and excellent mechanical properties from cryogenic to elevated temperatures (up to 1,300°F/704°C). Due to its durability and ability to withstand extreme environments, the forged bar is commonly used in engine and airframe components in the aerospace industry, as well as in gas turbines, oil and gas exploration, and nuclear engineering.
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What are the properties of 718 nickel alloy?
718 alloy is a precipitation-hardenable nickel-based alloy with extremely high yield strength, tensile strength, and creep-rupture properties at temperatures up to 700°C. 718 alloy exhibits a slow age-hardening reaction, meaning it does not spontaneously harden during heating and cooling, making it suitable for annealing and welding.
ASTM B637 Inconel 718 round bar Specification
| Grade | Inconel 718 – UNS N07718 |
|---|---|
| Specification | ASTM B637 UNS N07718, ASTM B 637 / ASME SB 637, AMS 5662, AMS 5663, AMS 5664 |
| Standard | ASTM, ASME, API, GB, AISI, DIN, EN, SUS, UNS ASTM B649 |
| Inconel 718 Round bar size | Diameter: 3mm~800mm |
| Inconel 718 Angle bar size | 3mm*20mm*20mm~12mm*100mm*100mm |
| Inconel 718 Square bar size | 4mm*4mm~100mm*100mm |
| Inconel 718 Flat bar size | Thickness: 2mm~100mm |
| Width: 10mm~500mm | |
| Inconel 718 Hex Bar size | 2mm~100mm |
| Inconel 718 Billet Size | 1/2" to 495mm Diameter |
| Inconel 718 Rectangles Size | 33mm x 30mm to 295mm x 1066mm |
| Finish | Bright, Polish, Bright, Rough Turned, Grinding, Centreless Ground & Black |
| Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients' requirements |
| Surface | Hot Rolled Pickled or Sand Blasting Finished, Cold Drawn, Bright, Polished, Hairline |
ASTM B637 Inconel Alloy 718 Round Bar Chemical Composition
| Ni | Cr | Fe | Mo | Nb+Ta | C | Mn | Si | Ph | S | Ti | Cu | B | Al | Co | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | 50 | 17 | Bal | 2.8 | 4.75 | - | - | - | - | - | 0.65 | - | - | 0.20 | - |
| Max | 55 | 21 | - | 3.3 | 5.50 | 0.08 | 0.035 | 0.35 | 0.015 | 0.015 | 1.15 | 0.30 | 0.0006 | 0.80 | 1.00 |
About ASTM B637 Nickel Alloy 718 Forged Bar: Common Applications
Aerospace: The material of choice for high-speed aircraft fuselage components and jet engine parts.
Industrial Gas Turbines: Used in gas turbine components.
Oil and Gas: Used in equipment for oil and gas exploration and production, especially in severely corrosive environments.
Cryogenics: Used in components for cryogenic storage and other extremely low-temperature applications.
Nuclear: Used in nuclear reactors and other related systems.
About ASTM B637 Nickel Alloy 718 Forged Bar Standard Specification
ASTM B637 specifies the chemical composition and mechanical property requirements for this alloy.
The material is typically supplied in the solution-treated condition and subsequently age-hardened to achieve its final high-strength properties.
Gnee Steel specializes in the production and sale of various nickel-based alloys, including Nickel 201, Nickel 202, Hastelloy C-276, Hastelloy C-22, Hastelloy B, Hastelloy C-4, Inconel Alloy 600, Inconel 625, Inconel 718, Inconel X-750, Incoloy Alloy 800, Incoloy 800H/HT, Incoloy 825, Monel Alloy 400, Monel K500, and high-temperature alloys. Gnee Steel's products are widely used in aerospace, chemical, electric power, automotive, and nuclear energy applications, and we can provide customized alloy solutions tailored to customer needs. For alloy pricing inquiries or customized alloy solutions, please contact us for a quote at ss@gneemetal.com.
