Material – DIN WL 2.4668
Standard Specification for Aerospace; Heat-Resisting Nickel Alloy Bars and Wire for Screws and Bolts
Group - Non-Ferrous Nickel Alloys
Sub Group - DIN WL 2.4668 Aerospace; Heat-Resisting Nickel Alloy Bars and Wire for Screws and Bolts
Application - Intended for Valve, Pump, General Engineering, Automotive and other Industries
Grade Belongs to the Industry - Bars and Wire for Screws and Bolts
| Chemical Composition | ||
|---|---|---|
| Carbon | C % | 0.020 - 0.080 |
| Silicon | Si % | 0.350 max. |
| Manganese | Mn % | 0.350 max. |
| Chromium | Cr % | 17.000 - 21.000 |
| Molybdenum | Mo % | 2.800 - 3.300 |
| Aluminium | Al % | 0.300 - 0.700 |
| Niobium | Nb % | 4.800 - 5.500 |
| Phosphorus | P % | 0.015 max. |
| Sulphur | S % | 0.015 max. |
| Boron | B % | 0.002 - 0.006 |
| Cobalt | Co % | 1.000 max. |
| Titanium | Ti % | 0.700 - 1.150 |
| Nickel | Ni % | 50.000 - 55.000 |
| Lead | Pb % | 0.002 max. |
| Silver | Ag % | 0.0005 max. |
| Heat Treatment |
|---|
| As-Cast or Annealing or Age Hardning |
| Mechanical Properties | |
|---|---|
| Tensile Strength in Mpa | 960 min. |
| Yield Strength in Mpa | 550 min. |
| Elongation in % | 5 min. |
| Reduction of Area in % | 8 min. |
| Hardness in BHN | 277 min. |
| Impact in Joule | - |
Cross Reference Table
| Material | Standard | Country | Grade Belong to the Industry |
|---|---|---|---|
| Inconel 718 | SAE | USA | Tube |
| N07718 | UNS | USA | Tube |
| B670 N07718 | ASTM | USA | Plate, Sheet and Strip |
| B983 N07718 | ASTM | USA | Pipe and Tube |
| B834 N07718 | ASTM | USA | Pipe Flange, Fitting and Valve |
| B637 N07718 | ASTM | USA | Bar and Forging |
| SB-637 N07718 | ASME | USA | Bar and Forging |