What material is UNS N07718?
UNS N07718 is the designation for Alloy 718, a high-strength, precipitation-hardenable, nickel-chromium superalloy known for its excellent corrosion resistance and ability to maintain strength at very high temperatures (up to about 1300°F or 700°C), making it ideal for aerospace (jet engines, rockets) and oil & gas applications (fasteners, tools).
What material is equivalent to uns N07718?
UNS N07718 is Alloy 718 or Inconel 718, and its equivalent grades include the German standard Werkstoff Nr. 2.4668, the British standard BS 2901 NA 51, and specific aerospace material specifications (AMS) depending on the product form (sheet, bar, etc.), such as AMS 5596, AMS 5597, AMS 5662, and AMS 5664.
| AMS 5589 | AMS 5832 | ASTM B637 | GE B50TF14 | GE B50TF15 |
| AMS 5590 | AMS 5664 | ASTM B670 | GE B50 TF69 | PWA 1009 |
| AMS 5596 | AMS 5663 | DIN 2.4668 | GE B14H89 | PWA 1010 |
| AMS 5597 | AMS 5662 | DIN 2.4688 | GE B50 TF14 | PWA 1033 |
| RBO 170-153 | SPS M275 | SPS M637 |
UNS N07718 Chemical Composition
| Element | Content (%) |
|---|---|
| Nickel, Ni | 52 |
| Iron, Fe | 19 |
| Chromium, Cr | 18 |
| Niobium, Nb | 5 |
| Tantalum, Ta | 5 |
| Molybdenum, Mo | 3 |
| Cobalt, Co | ≤ 1 |
| Titanium, Ti | 0.90 |
| Aluminum, Al | 0.50 |
| Manganese, Mn | ≤ 0.35 |
UNS N07718 Physical Properties
| Properties | Metric | Imperial |
|---|---|---|
| Density | 8.23 g/cm3 | 0.297 lb/in3 |
UNS N07718 Mechanical Properties
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 1395 MPa | 202300 psi |
| Yield strength | 1175 MPa | 170400 psi |
| Elastic modulus | 200 GPa | 29000 ksi |
| Elongation at break | 22.3 % | 22.3 % |
UNS N07718 Thermal Properties
| Properties | Metric | Imperial |
|---|---|---|
| Thermal expansion co-efficient (at 25-200°C/77-392°F) | 12.8 µm/m°C | 7.11 µin/in°F |
| Thermal conductivity | 11.4 W/mK | 79.1 BTU in/hr.ft².°F |
What is ASTM B637 UNS N07718?
ASTM B637 UNS N07718 refers to the nickel alloy product standard (ASTM B637), specifically Inconel 718 (UNS N07718) alloy. This is a high-strength, corrosion-resistant material suitable for demanding high-temperature or low-temperature environments. It is available in various forms such as bars, forgings, and billets, and is widely used in aerospace, power generation, and chemical industries.
Is 718 Inconel stronger than titanium?
Inconel 718 has a tensile strength of 1,375 MPa while Ti-6Al-4V titanium alloy (highest-strength type), has a tensile strength of around 1,170 MPa. While this is lower strength than the strongest Inconel alloys, a wider range of properties may need to be considered in material selection.
What is the difference between Inconel X750 and N07718?
X750 is a Nickel-Chromium alloy made precipitation hardenable by additions of Al and Ti, having creep-rupture strength at high temperatures to about 700°C (1290°F). INCONEL® alloy 718 (UNS N07718/W.Nr. 2.4668) is a high-strength, corrosion-resistant nickel chromium material used at -423° to 1300°F.
who choose us?
GNEE is a reliable supplier of Inconel 718 round bars, offering UNS N07718 / W.Nr. 2.4668 round bars with diameters typically ranging from Ø6 mm to Ø450 mm, available in solution-treated or solution-treated and aged conditions.
All Inconel 718 round bars are manufactured according to ASTM B637, AMS 5662 / AMS 5663 standards and come with EN 10204 3.1 certificates.
GNEE offers various product forms, such as hot-rolled bars, forged bars, peeled bars, ground bars, and cut-to-length bars, to meet different processing and performance requirements.
one-stop solution
professional team
high quality
