Inconel 718 Round Bar Supplier


Inconel 718 round bar is a high-strength nickel-chromium alloy known for its excellent corrosion resistance, weldability, and stability at high temperatures. This bar performs reliably in demanding aerospace, chemical, and marine settings. Preston Pipes & Alloys is a leading Inconel 718 round bar supplier, offers premium bars made to handle extreme conditions. The alloy contains elements like nickel, chromium, molybdenum, niobium, carbon, manganese, silicon, phosphorus, sulfur, copper, and cobalt. It shows impressive mechanical strength with a yield strength range from 80 to 150 ksi, tensile strength up to 220 ksi, and elongation between 18% to 27%. Its hardness falls between 102 and 331 Brinell, ensuring durability in challenging environments.


These bars come with multiple strengths such as oxidation resistance, high tensile strength, and long-term stability under stress. 718 inconel round bar is used in aircraft engines, nuclear reactors, gas turbines, and offshore drilling tools. They also hold up well in cryogenic environments and resist chloride pitting and stress corrosion cracking. Their versatility makes them ideal for both high-heat and high-pressure systems. Due to its reliable performance, Inconel 718 round bars are frequently sourced from a reliable supplier for mission-critical applications in industries such as aerospace, chemical and marine engineering.


Inconel 718 Round Bar

We offer Inconel 718 round bars in sizes ranging from 3 mm to 600 mm in diameter, and lengths from 0.5 to 6.0 meters. These bars are made with strict forging and machining procedures to ensure perfect dimensional tolerances and surface finish standards. The alloy is available in hot-rolled, cold-drawn, and turned finishes based on project needs. As a leading supplier, we ensure each bar meets the required technical and dimensional specifications for hassle-free fabrication and long-term use.


Each alloy 718 round bar goes through strict quality checks. Hardness, tensile strength, and ultrasonic inspection are among the tests conducted in accordance with ASTM B637, AMS 5662, AMS 5663, and AMS 5664 standards. As a reliable 718 inconel round bar stockist, we follow rigorous packaging guidelines to protect the material from moisture, physical damage and contamination during shipping. Reach out now to get high-performance materials built for long-lasting reliability.

Inconel 718 Round Bar Specification

Specifications ASTM B637 / ASTM SB637
Standard EN, DIN, JIS, ASTM, BS, ASME
Size 5 mm To 500 mm
Diameter 0.1 mm to 100 mm
Length 100 mm To 3000 mm Long & Above
Finish Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
Tolerance H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements
Form Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc.

Common Type of Inconel 718 Round Bar

Inconel 718 Hex Bar

Inconel 718 Hex Bar

Inconel 718 Bright Bar

Inconel 718 Bright Bar

Inconel 718 Cold Rolled Bar

Inconel 718 Cold Rolled Bar

Inconel 718 Flat Bar

Inconel 718 Flat Bar

Inconel 718 Square Bar

Inconel 718 Square Bar

Inconel 718 Rectangular Bar

Inconel 718 Rectangular Bar

Inconel 718 Polished Round Bar

Inconel 718 Polished Round Bar

Inconel 718 Hollow Bar

Inconel 718 Hollow Bar


Contact Preston Pipes and Alloys for best offer & competitive
quotation of Inconel 718 Round Bar

Inconel 718 Round Bar Chemical Composition

Grade C Mn Si Cu S Fe Mo Ni Cr
Inconel 718 0.08 max 0.35 max 0.35 max 0.30 max 0.15 min 50.0-55.0 min 17.0–21.0

Inconel 718 Round Bar Mechanical Properties

Density Melting Point Tensile Strength Yield Strength (0.2% Offset) Elongation
8.2 g/cm3 1.350 °C (2460 °F) Psi – 1,35,000 , MPa – 930 Psi – 75,000 , MPa – 482 45 %

Inconel 718 Round Bar Equivalent Material

STANDARD WERKSTOFF NR. UNS JIS
Inconel 718 2.4668 N07718 NCF 718

Inconel 718 Round Bar Weight Chart

Diameter Weight Chart Dia Weight Chart
(mm) per metre (kg) (in) per metre (kg)
3mm 0.06 1/8" 0.06
4mm 0.10 3/16" 0.14
5mm 0.16 1/4" 0.25
6mm 0.22 5/16" 0.39
7mm 0.30 3/8" 0.56
8mm 0.40 7/16" 0.77
10mm 0.62 1/2" 1.00
12mm 0.89 9/16" 1.22
14mm 1.22 5/8" 1.56
15mm 1.40 11/16" 1.89
16mm 1.59 3/4" 2.25
18mm 2.01 7/8" 3.07
20mm 2.48 1" 4.03
22mm 3.00
24mm 3.57
25mm 3.88

Industrial Application of Inconel 718 Round Bar