Changzhou DLX Alloy Co., Ltd.
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Inconel 718 Plate is a precipitation hardenable nickel-based alloy designed to display exceptionally high yield, tensile and creep-rupture properties at temperatures up to 1300°F. The sluggish age-hardening response of alloy 718 permits annealing and welding without spontaneous hardening during heating and cooling. This alloy has excellent weldability when compared to the nickel-base superalloys hardened by aluminum and titanium. This alloy has been used for jet engine and high-speed airframe parts such as wheels, buckets, spacers, and high temperature bolts and fasteners.
Corrosion resistant
Alloy 718 Plate has excellent corrosion resistance to many media. This resistance, which is similar to that of other nickel-chromium alloys, is a function of its composition. Nickel contributes to corrosion resistance in many inorganic and organic, other than strongly oxidizing, compounds throughout wide ranges of acidity and alkalinity. It also is useful in combating chloride-ion stress-corrosion cracking. Chromium imparts an ability to withstand attack by oxidizing media and sulfur compounds. Molybdenum is known to contribute to resistance to pitting in many media.
| Element | Limiting Chemical Composition (%) |
| Nickel (plus Cobalt) | 50%-55% |
| Chromium | 17%-21% |
| Niobium (plus Tantalum) | 4.75%-5.50% |
| Molybdenum | 2.80%-3.30% |
| Titanium | 0.65%-1.15% |
| Aluminum | 0.20%-0.80% |
| Cobalt | 1% max |
| Carbon | 0.08% max |
| Manganese | 0.35% max |
| Silicon | 0.35% max |
| Phosphorus | 0.015% max |
| Sulfur | 0.015% max |
| Boron | 0.006% max |
| Copper | 0.30% max |
| Iron | Balance* |
Inconel 718 Plate Application
Components for liquid fueled rockets, rings, casings and various formed sheet metal parts for aircraft and land-based gas turbine engines, and cryogenic tankage. It is also used for fasteners and instrumentation parts.Oil field applications
| AMS Number | Alloy | Type | UNS | Cross Ref. Spec | Misc./Shape | |
|---|---|---|---|---|---|---|
| AMS 5590 | Inconel 718 | Nickel | N07718 | - | Tubing | |
| AMS 5596 Foil | Inconel 718 | Nickel | N07718 | - | Foil | |
| AMS 5596 Plate | Inconel 718 | Nickel | N07718 | - | Plate | |
| AMS 5596 Sheet | Inconel 718 | Nickel | N07718 | - | Sheet | |
| AMS 5596 Strip | Inconel 718 | Nickel | N07718 | - | Strip | |
| AMS 5597 Plate | Inconel 718 | Nickel | N07718 | - | Plate | |
| AMS 5597 Sheet | Inconel 718 | Nickel | N07718 | - | Sheet | |
| AMS 5597 Strip | Inconel 718 | Nickel | N07718 | - | Strip | |
| AMS 5662 Bar | Inconel 718 | Nickel | N07718 | - | Bar | |
| AMS 5662 Custom Tube | Inconel 718 | Nickel | N07718 | - | Custom Tube | |
| AMS 5662 Ring | Inconel 718 | Nickel | N07718 | - | Ring | |
| AMS 5663 Bar | Inconel 718 | Nickel | N07718 | - | Bar | |
| AMS 5663 Custom Tube | Inconel 718 | Nickel | N07718 | - | Custom Tube | |
| AMS 5663 Ring | Inconel 718 | Nickel | N07718 | - | Ring | |
| AMS 5664 Bar | Inconel 718 | Nickel | N07718 | - | Bar | |
| AMS 5664 Custom Tube | Inconel 718 | Nickel | N07718 | - | Custom Tube | |
| AMS 5664 Ring | Inconel 718 | Nickel | N07718 | - | Ring | |
| AMS 5832 | Inconel 718 | Nickel | N07718 | - | Wire | |
| AMS 5962 Bar | Inconel 718 | Nickel | N07718 | - | Bar | |
| AMS 5962 Wire | Inconel 718 | Nickel | N07718 | - | Wire | |