Inconel 718 equivalents, chemistry & properties.
Inconel 718 is a nickel alloy used for aerospace engines, oilfield, high-strength fasteners. Below are its equivalent designations in nine standards, chemical composition, mechanical properties and density.
Inconel 718 equivalent grades
- USA (ASTM / AISI / SAE)
- Alloy 718
- UNS
- N07718
- Europe (EN)
- NiCr19Fe19Nb5Mo3
- Werkstoff No. (W.Nr)
- 2.4668
- Japan (JIS)
- NCF718
Key data
- Family
- Nickel alloy
- Density
- 8.19 g/cm³
- Typical mechanical
- Age-hardened, TS about 1275 MPa
- Typical uses
- Aerospace engines, oilfield, high-strength fasteners
- Weight
- Calculate weight in Inconel 718
Inconel 718 chemical composition (weight %)
UNS N07718 (ASTM B637 / Special Metals Table 1)
| Ni | Cr | Nb+Ta | Mo | Ti | Al | Co | C | Mn | Si | P | S | B | Cu |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 50.0–55.0 | 17.0–21.0 | 4.75–5.50 | 2.80–3.30 | 0.65–1.15 | 0.20–0.80 | ≤1.0 | ≤0.08 | ≤0.35 | ≤0.35 | ≤0.015 | ≤0.015 | ≤0.006 | ≤0.30 |
Grades similar to Inconel 718
Frequently asked questions
What is the equivalent of Inconel 718?
Inconel 718 equivalents: USA (ASTM / AISI / SAE) Alloy 718; UNS N07718; Europe (EN) NiCr19Fe19Nb5Mo3; Werkstoff No. (W.Nr) 2.4668; Japan (JIS) NCF718. Equivalents are close but not always identical; check the standard on your order.
What is the chemical composition of Inconel 718?
Inconel 718 (UNS N07718 (ASTM B637 / Special Metals Table 1)): Ni 50.0–55.0, Cr 17.0–21.0, Nb+Ta 4.75–5.50, Mo 2.80–3.30, Ti 0.65–1.15, Al 0.20–0.80, Co ≤1.0, C ≤0.08, Mn ≤0.35, Si ≤0.35, P ≤0.015, S ≤0.015, B ≤0.006, Cu ≤0.30 (weight %).
What is the density of Inconel 718?
About 8.19 g/cm³ (8,190 kg/m³), the value used for weight calculations.
Need Inconel 718?
Steel Impex India, Mumbai, supplies Inconel 718 in pipes, plates, sheets, bars and fittings as available, with mill test certificates. Send the grade, standard, size and quantity.