718 NICKEL BAR
718 NICKEL BAR
718 NICKEL BAR, WIRE, ROD
Alloy 718 is a precipitation-hardening nickel-chromium alloy containing significant amounts of iron, columbium, and molybdenum, along with lesser amounts of aluminum and titanium. It is sometimes referred to as a “super alloy”.
718 is commonly used in High temperature bolts, nuts and fasteners, Airframe parts, Gas turbine engines, Cryogenic tanks and Nuclear engineering applications
| Chemical Properties | ||
| Element | min | max |
| Carbon | — | 0.08 |
| Manganese | — | 0.35 |
| Silicon | — | 0.35 |
| Phosphorus | — | 0.015 |
| Sulfur | — | 0.015 |
| Chromium | 17 | 21 |
| Nickel | 50 | 55 |
| Molybdenum | 2.8 | 3.3 |
| Columbium (Niobium) | 4.75 | 5.5 |
| Titanium | 0.65 | 1.15 |
| Aluminum | 0.2 | 0.8 |
| Cobalt | — | 1 |
| Tantalum | — | 0.05 |
| Boron | — | 0.006 |
| Copper | — | 0.3 |
| Iron | remainder | |
| Tensile Properties | ||
| Solution Heat Treated | ||
| Tensile Strength, max | 155(KSI) | |
| Yield Strength at 0.2% Offset, max | 95 (KSI) | |
| Elongation in 2 Inches (50.8 mm), min | 30%ngth Super Alloy | |
Other Common Applications of 718
- Jet engine
- Gas turbine operations
- Base plates
- Rotor Bolts (Power Generation)
