Inconel 718 is a precipitation hardening nickel-iron-chromium superalloy with outstanding high-temperature strength, excellent fatigue resistance, thermal stability and good corrosion resistance. It maintains stable mechanical performance under high temperature, high pressure and alternating vibration environments. Featuring reliable processing property and superior welding performance, this alloy is highly suitable for mass production and precision machining in the automobile industry. It is widely adopted to manufacture core auto components that require long-term high-temperature resistance and high load-bearing capacity.
Basic Information
| Item |
Details |
| Material Grade |
Inconel 718 / UNS N07718 |
| Main Executive Standards |
ASTM B637, ASTM B670, AMS 5662, DIN W.Nr. 2.4668 |
| Common Product Forms |
Bar, pipe, tube, forging, sheet, fastener |
Mechanical Properties (Room Temperature, Solution & Aging Treated)
| Property |
Standard Minimum Value |
| Tensile Strength |
≥1275 MPa |
| Yield Strength (0.2% Offset) |
≥1035 MPa |
| Elongation |
≥12% |
| Hardness |
≤44 HRC |
Dimensional Tolerance
| Specification |
Tolerance Standard |
| Outer Diameter |
Strictly follow ASTM standard tolerance |
| Wall Thickness |
Controlled within industrial allowable deviation |
| Length |
Custom fixed length / random length available |
| Straightness & Roundness |
Meet automobile precision machining requirements |
Applicable Working Conditions & Auto Application Scenarios
| Application Field |
Specific Working Condition |
| Automobile Engine Parts |
High temperature piston components, turbocharger parts, exhaust system accessories |
| New Energy Vehicle Core Components |
High-strength fasteners, battery connection structural parts |
| Racing & High-Performance Vehicles |
High-load transmission parts, high-temperature resistant structural parts |
| Auto Precision Forging Parts |
High-stress bearing parts resistant to thermal fatigue |
| Automotive Thermal Management System |
High temperature resistant pipeline and connecting fittings |
Custom Service
Support customized size, surface treatment, heat treatment state and full set of factory test certificates, meet global automobile industry procurement and project installation standards.