Gnee Steel is a professional manufacturer of nickel-based alloys 718, 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. We specialize in the production and sales of alloy materials. Gnee Steel's products are widely used in aerospace, chemical, power, automotive, and nuclear energy industries, and we can provide customized alloy material solutions according to customer needs.
AISI 410 Stainless Steel vs Nickel 718 Alloy
AISI 410 Stainless Steel vs Nickel 718 Alloy
AISI 410 stainless steel is a hardenable martensitic stainless steel (11.5-13.5% chromium content) characterized by high strength, moderate corrosion resistance, and low cost. Nickel-based superalloy 718 (50-55% nickel content) is a precipitation-hardening superalloy designed to provide superior strength, creep resistance, and corrosion resistance, withstanding temperatures up to 700°C. AISI 410 stainless steel is suitable for medium-strength applications such as valve components, while nickel-based superalloy 718 is used in critical aerospace/gas turbine applications.
Is Inconel 718 a nickel-based superalloy?
Inconel 718 is a nickel-based superalloy ideal for applications requiring high strength over a temperature range from low temperatures to 1400°F (760°C). Inconel 718 also exhibits excellent tensile and impact strength.
Inconel 718 is a nickel-chromium-based superalloy that achieves precipitation hardening through elements such as niobium and molybdenum. Its core characteristics include maintaining ultra-high strength, excellent creep and fatigue resistance, and good corrosion resistance even at temperatures up to approximately 700°C. It is widely used in the manufacture of critical components subjected to extreme stress, high temperatures, and complex loads, such as turbine disks, blades, and casings for aero-engines, aerospace structural components, high-performance racing car parts, and oil and gas drilling tools. It is one of the most important and widely used superalloys in the aerospace and energy sectors.
AISI 410 is a martensitic stainless steel. Its core characteristic is that it can achieve high strength, hardness, and moderate corrosion resistance through heat treatment (quenching and tempering), but its corrosion resistance is lower than that of austenitic stainless steels (such as 304). It is mainly used to manufacture components subjected to high stress and wear, such as pump shafts, valve parts, fasteners, cutting tools, and turbine blades. It is suitable for mild atmospheric, freshwater, and some weakly corrosive media environments, and is a commonly used martensitic stainless steel grade that balances cost, strength, and basic corrosion resistance.
AISI 410 Stainless Steel vs Nickel 718 Alloy
Chemical Composition Comparison of AISI 410 Stainless Steel and Inconel 718 (wt.%)
| Element | AISI 410 Stainless Steel (UNS S41000) | Inconel 718 (UNS N07718) |
|---|---|---|
| Iron (Fe) | Balance | Balance |
| Chromium (Cr) | 11.5 - 13.5 % | 17.0 - 21.0 % |
| Nickel (Ni) | ≤ 0.75 % | 50.0 - 55.0 % |
| Carbon (C) | ≤ 0.15 % | ≤ 0.08 % |
| Manganese (Mn) | ≤ 1.00 % | ≤ 0.35 % |
| Silicon (Si) | ≤ 1.00 % | ≤ 0.35 % |
| Phosphorus (P) | ≤ 0.040 % | ≤ 0.015 % |
| Sulfur (S) | ≤ 0.030 % | ≤ 0.015 % |
| Molybdenum (Mo) | - | 2.8 - 3.3 % |
| Niobium (Nb) | - | 4.75 - 5.5 % |
| Titanium (Ti) | - | 0.65 - 1.15 % |
| Aluminum (Al) | - | 0.20 - 0.8 % |
| Copper (Cu) | - | ≤ 0.30 % |
| Boron (B) | - | ≤ 0.006 % |
| Cobalt (Co) | - | ≤ 1.0 % |
Physical Properties Comparison of AISI 410 Stainless Steel and Inconel 718
| Property | AISI 410 Stainless Steel (UNS S41000) | Inconel 718 (UNS N07718) |
|---|---|---|
| Density | 7.70 - 7.80 g/cm³ (0.278 - 0.282 lb/in³) | 8.19 g/cm³ (0.296 lb/in³) |
| Melting Range | 1480 - 1530 °C (2695 - 2785 °F) | 1260 - 1336 °C (2300 - 2440 °F) |
| Specific Heat | 460 J/kg·K at 20°C | 435 J/kg·K at 20°C |
| Thermal Conductivity | 24.9 W/m·K at 100°C | 11.4 W/m·K at 100°C |
Key Comparisons between Nickel 718 and AISI 410 Stainless Steel:
Properties: Nickel 718 has a significantly higher tensile strength (1375 MPa) than AISI 410 (450-700 MPa) and exhibits superior corrosion resistance in harsh environments.
Temperature: Nickel 718 maintains its strength at temperatures up to 700°C, while AISI 410 is typically used in lower or moderate temperature environments.
Cost and Processing: AISI 410 is much cheaper and easier to process than Nickel 718, which is expensive and difficult to process.
Magnetic Properties: AISI 410 is magnetic, while Nickel 718 is not.
AISI 410 and Inconel 718 Applications
AISI 410: Fasteners, pumps, valves, cutlery, and kitchenware.
Nickel 718: Aircraft engines, nuclear power plants, gas turbines, and aerospace fasteners.
Gnee Steel is a professional manufacturer 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. We specialize in the production and sales of alloy materials. Gnee Steel's products are widely used in aerospace, chemical, power, automotive, and nuclear energy industries, and we can provide customized alloy material solutions according to customer needs. For alloy material price inquiries or to request customized alloy material solutions, please feel free to contact us at ru@gneesteelgroup.com for a quote.