Jul 16, 2025 Leave a message

Inconel 718 Flange

 
 
 
Inconel 718 Alloy Flange
01.

Inconel 718 Flange

Inconel 718 flanges are high performance components known for their superior strength and high temperature corrosion resistance. Due to their ability to withstand extreme thermal and mechanical stresses, they are widely used in demanding applications such as aerospace, gas turbines and nuclear reactors.

02.

What are the benefits of Inconel 718 flanges?

Inconel 718 flanges have a variety of properties that make them ideal for many applications, such as high tensile strength, excellent resistance to oxidation and corrosion, good weldability, and low thermal expansion. It also has a range of mechanical properties, depending on the heat treatment process used during production.

Inconel 718 Flanges

Equivalent Grades of Inconel 718 Flanges

STANDARD WERKSTOFF NR. UNS
Inconel 718 2.4668 N07718

Chemical Composition of Inconel 718 Flanges

Grade C Mn Si P S Ni Cr B Mo Co Al Ti Nb Cu
Inconel 718 0.08 max 0.35 max 0.35 max 0.015 max 0.015 max 50 – 55 17 – 21 0.006 max 2.8 – 3.3 1.0 max 0.2 – 0.8 0.65 – 1.15 4.75 – 5.5 0.3 max

Mechanical Properties of Inconel 718 Flanges

Element Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
Inconel 718 8.2 g/cm3 1350 °C (2460 °F) Psi – 1,35,000, MPa – 930 Psi – 75,000, MPa – 482 45 %

Dimensions Of Inconel 718 Flanges

Dimensions Of Stainless Steel 718 Flanges

Nom. Pipe
Size
O T R X No./Dia. of Holes Bolt
Circle Dia.
L2 H B2 L B r L3 B3 D
1/2 3.5 0.44 1.38 1.19 4-0.62 2.38 1.88 0.84 0.62 0.62 0.88 0.12 0.62 0.9 0.38
3/4 3.88 0.5 1.69 1.5 4-0.62 2.75 2.06 1.05 0.82 0.62 1.09 0.12 0.62 1.11 0.44
1 4.25 0.56 2 1.94 4-0.62 3.12 2.19 1.32 1.05 0.69 1.36 0.12 0.69 1.38 0.5
1-1/4 4.62 0.62 2.5 2.31 4-0.62 3.5 2.25 1.66 1.38 0.81 1.7 0.19 0.81 1.72 0.56
1-1/2 5 0.68 2.88 2.56 4-0.62 3.88 2.44 1.9 1.61 0.88 1.95 0.25 0.88 1.97 0.62
2 6 0.75 3.62 3.06 4-0.75 4.75 2.5 2.38 2.07 1 2.44 0.31 1 2.46 0.69
2-1/2 7 0.88 4.12 3.56 4-0.75 5.5 2.75 2.88 2.47 1.12 2.94 0.31 1.12 2.97 0.75
3 7.5 0.94 5 4.25 4-0.75 6 2.75 3.5 3.07 1.19 3.57 0.38 1.19 3.6 0.81
3-1/2 8.5 0.94 5.5 4.81 8-0.75 7 2.81 4 3.55 1.25 4.07 0.38 1.25 4.1 0.88
4 9 0.94 6.19 5.31 8-0.75 7.5 3 4.5 4.03 1.31 4.57 0.44 1.31 4.6 0.94
5 10 0.94 7.31 6.44 8-0.88 8.5 3.5 5.56 5.05 1.44 5.66 0.44 1.44 5.69 0.94
6 11 1 8.5 7.56 8-0.88 9.5 3.5 6.63 6.07 1.56 6.72 0.5 1.56 6.75 1.06
8 13.5 1.12 10.62 9.69 8-0.88 11.75 4 8.63 7.98 1.75 8.72 0.5 1.75 8.75 1.25
10 16 1.19 12.75 12 12-1.00 14.25 4 10.75 10.02 1.94 10.88 0.5 1.94 10.92 1.31
12 19 1.25 15 14.38 12-1.00 17 4.5 12.75 12 2.19 12.88 0.5 2.19 12.92 1.56
14 21 1.38 16.25 15.75 12-1.12 18.75 5 14 13.25 2.25 14.14 0.5 3.12 14.18 1.63
16 23.5 1.44 18.5 18 16-1.12 21.25 5 16 15.25 2.5 16.16 0.5 3.44 16.19 1.75
18 25 1.56 21 19.88 16-1.25 22.75 5.5 18 17.25 2.69 18.18 0.5 3.81 18.2 1.94
20 27.5 1.69 23 22 20-1.25 25 5.69 20 19.25 2.88 20.2 0.5 4.06 20.25 2.13
22 29.5 1.81 25.25 24.25 20-1.38 27.25 5.88 22 21.25 3.13 22.22 0.5 4.25 22.25 2.38
24 32 1.88 27.25 26.12 20-1.38 29.5 6 24 23.25 3.25 24.25 0.5 4.38 24.25 2.5
Gnee Steel

 

About Gnee Steel

Gnee Steel is a supplier of Inconel 718 Flange, products include tubes: seamless tubes: size: 4 - 219 mm; thickness: 0.5 - 20 mm; welded tubes: size: 5.0 - 1219.2 mm; thickness: 0.5 - 20 mm, plates: plate thickness 0.1 to 100 mm; plate width 10-2500 mm, strips, alloy round bar size: diameter 3-800 mm;, flat bar size: thickness 2-100 mm; width: 10-500 mm, hexagonal bar size: 2-100 mm;, wire and extruded profiles. We work with steel mills to provide customers with 625 alloy, and its products meet or exceed many leading industry standards, including ASTM, ASME, SAE, AMS, ISO, DIN, EN and BS standards.
Gnee Steel stocks and sells Inconel 718 Flange, Tube, Pipe, Plate, Strip, Plate, Round Bar, Flat Bar, Forged Billet, Hexagon, Wire and Extruded Profiles. Feel free to contact us for a quote at ss@gneesteel.com

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