Aug 20, 2025 Leave a message

ASTM B637 Inconel 718 Round Bar Property Information

 
ASTM B637 Inconel 718 Round Bar
 
ASTM B637 Inconel 718 Round Bar Property Information

ASTM B637 Inconel 718 Round Bar Property Information

ASTM B637 Inconel 718 round bar is renowned for its high strength, excellent corrosion resistance, and good weldability, making it suitable for a variety of high-temperature and high-stress applications. Its key properties include tensile strength of approximately 1035-1200 MPa, yield strength of approximately 930-1080 MPa, and elongation of approximately 20-30%. It also exhibits good creep rupture strength, especially at temperatures up to 700°C.

What is the composition of Inconel 718 round bar?

Inconel 718 round bar is a nickel-chromium alloy bar with a nickel content of up to 55%. It also contains 17% chromium, 4.9% niobium, and at least 6.6% iron, as well as aluminum, boron, carbon, cobalt, copper, manganese, phosphorus, lead, sulfur, and silicon.

What Is The Composition Of Inconel 718 Round Bar?
 

Mechanical Characteristics Of Inconel Alloy 718 bar


Elongation Density Tensile Strength Melting Point Yield Strength (0.2%Offset)
45 % 8.2 g/cm3 Psi – 1,35,000 , MPa – 930 1350 °C (2460 °F) Psi – 75,000 , MPa – 482

Chemical Composition Of Alloy 718 Bar


Grade Cr Mn C Cu Si S Mo Fe Ni
Inconel 718 17 – 21 0.35 max 0.08 max 0.30 max 0.35 max 0.15 min 50 – 55

UNS N07718 Round Bar Size Chart


 

Size of Alloy 718 round bar
Metric US Bar ASTM/ Canadian Japanese
Diameter(mm) Bar Size Diameter (Inch) Bar Size Diameter (mm2) Bar Size Diam. (mm) Bar Size
6 6 0.500 #4 300 20M 13 13
5.5 5.5 0.375 #3 200 15M 10 10
8 8 0.750 #6 700 30M 19 19
9 9 0.875 #7 1000 35M 22 22
7 7 0.625 #5 500 25M 16 16
11 11 1.125 #9 2500 55M 29 29
5 5 0.250 #2 100 10M 6 6
10 10 1.000 #8 1500 45M 25 25
14 14 1.375 #11     35 35
32 32            
12 12 1.250 #10     32 32
20 20 1.750 #14     44 44
22 22 1.875 #15     48 48
16 16 1.500 #12     38 38
18 18 1.625 #13     41 41
28 28 2.250 #18     57 57
50 50            
25 25 2.000 #16     51 51
40 40            
36 36            
44 44          
Gnee Steel

 

About Gnee Steel

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.

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