Inconel 625 vs. Inconel 718 Alloy
Gnee Steel
Inconel 625 vs. Inconel 718 Alloy Comparison
Inconel 625 and 718 are both nickel-chromium-molybdenum alloys that offer excellent high-temperature strength and corrosion resistance, but their specific properties and applications differ. Inconel 625 is known for its superior corrosion resistance in a wide range of environments, while Inconel 718 excels in high-strength, high-temperature applications, particularly in the aerospace and oil and gas industries.
Gnee Steel
What are the advantages of Inconel 625?
INCONEL 625 alloy offers the following properties, making it an ideal choice for seawater applications: low susceptibility to localized corrosion (pitting and crevice corrosion), high corrosion fatigue strength, high tensile strength, and resistance to chloride-ion stress corrosion cracking.
Mechanical Properties of Inco 718 & 625
| Properties | Inconel 625 | Inconel 718 |
|---|---|---|
| Elongation at Break | 33 to 34 % | 12 to 50 % |
| Poisson's Ratio | 0.29 | 0.29 |
| Shear Strength | 530 to 600 MPa (77 to 87x 103psi) | 660 to 950 MPa (96 to 140x 103psi) |
| Yield Strength | 320 to 450 MPa (47 to 65x 103 psi) | 510 to 1330 MPa (74 to 190 x 103 psi) |
| Elastic Modulus | 190 GPa (28 x 106 psi) | 200 GPa (30 x 106 psi) |
| Fatigue Strength | 240 to 320 MPa (34 to 47 x 103 psi) | 460 to 760 MPa (67 to 110 x 103 psi) |
| Shear Modulus | 530 to 600 MPa (77 to 87 x 103 psi) | 75 GPa (11 x 106 psi) |
| Tensile Strength | 790 to 910 MPa (120 to 130 x 103 psi) | 930 to 1530 MPa (130 to 220 x 103 psi) |
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.
