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Inconel Alloy 718 Plate
Inconel Alloy 718 is a high-strength, corrosion-resistant nickel-chromium alloy used in extreme environments. It is known for its excellent mechanical properties, including high tensile, fatigue, and creep strength, as well as its resistance to oxidation and corrosion. The alloy is also known for its ability to be precipitation hardened, which allows it to maintain its strength and toughness even at high temperatures.
Description
Inconel 718 is a high-strength, precipitation-hardenable nickel-chromium superalloy containing significant amounts of iron, niobium, and molybdenum. It is the most widely used superalloy in the world due to its excellent combination of properties, manufacturability, and cost-effectiveness compared to other nickel superalloys. Its chemical composition includes 52.5% nickel, 19.0% chromium, 3.0% molybdenum, 5.1% niobium+tantalum, 18.5% iron, 0.7% aluminum, and 0.5% titanium. This material exhibits exceptional high-temperature performance, maintaining excellent tensile strength, yield strength, and energy absorption capacity even under elevated temperatures.
Properties of Inconel 718
- High Strength: Maintains strength at temperatures up to 700°C (1290°F).
- Corrosion Resistance: Excellent resistance to oxidation, corrosion, and pitting in harsh environments.
- Weldability: Can be welded using common techniques, though post-weld heat treatment may be required.
- Machinability: Can be machined using standard methods, though it is tougher than many other materials.
Typical Chemical Composition
| Element | % | Element | % |
|---|---|---|---|
| Nickel (Ni) | 50-55 | Niobium (Nb) | 4.75-5.5 |
| Chromium (Cr) | 17-21 | Molybdenum (Mo) | 2.8-3.3 |
| Iron (Fe) | Balance | Titanium (Ti) | 0.65-1.15 |
| Cobalt (Co) | ≤1.0 | Aluminum (Al) | 0.2-0.8 |
| Carbon (C) | ≤0.08 | Boron (B) | ≤0.006 |
| Manganese (Mn) | ≤0.35 | Copper (Cu) | ≤0.3 |
Standards and Specifications
Inconel 718 plates are available in various sizes and thicknesses, and they conform to several industry standards, including:
- ASTM B637: Standard specification for precipitation-hardening nickel alloy (UNS N07718) plate, sheet, and strip.
- AMS 5596: Aerospace material specification for nickel alloy plate, sheet, and strip.
- AMS 5597: Aerospace material specification for nickel alloy forgings.
Heat Treatment
Inconel 718 is typically heat treated to achieve optimal mechanical properties. The standard heat treatment process includes:
- Solution Annealing: Heating to 955-1010°C (1750-1850°F) followed by rapid cooling.
- Aging: Heating to 720°C (1325°F) for 8 hours, furnace cooling to 620°C (1150°F), holding for 8 hours, and then air cooling.
Availability Available Size
Inconel 718 plates are available from various suppliers and can be customized to meet specific requirements. When purchasing, it's important to consider the required dimensions, tolerances, and certifications (e.g., material test reports).
|
American standard |
Chinese standard |
Russian standard |
Plate specifications |
|
Incoloy 800 |
NS1101 |
3V435/XH78T |
Plate: |
|
Incoloy800H |
NS1102 |
3M686/XH6OBT |
|
|
Incoloy 800 HT |
NS1104 |
0X21H32IOT |
|
|
N08120 |
NS1502 |
||
|
Inconel 660 |
GH2132 |
ЭП786 |
|
|
/ |
GH4708 |
ХН62ВМЮТ-ВД |
|
|
/ |
GH4133 |
ХН77ТЮР-ВД |
|
|
Inconel 718 |
GH4169 |
||
|
/ |
GH4202 |
ХН67МВТЮ-ВД |
|
|
/ |
GH4698 |
ХН73МБТЮ-ВД |
|
|
Invar |
4J36 |
32H |
Materials for photovoltaic polyerystalline silicon production equipment
|
Material grade |
Yield strength σ 0.2/MPa |
Product specification |
Elongation rate δ% |
|
Incoloy 800 |
205 |
520 |
30 |
|
Incoloy800H |
170 |
450 |
30 |
|
Incoloy 800 HT |
170 |
450 |
30 |
|
N08120 |
276 |
621 |
30 |
Terms
Place Of Origin: China
Brand Name: HSMetal
Grade:Nickel Base Alloy
Minimum Order Quantity: 5
Size:Customized
Surface:Bright
Packaging Details: Inconel 718 Strip Packed In Coil Package With Polybag,Then In Woodencase
Application:Used in chemical, oil, Marine industry
Delivery Time: 5-21 Days
Technique:Cold Rolled, Hot Rolled
Payment Terms: L/C, T/T, Western Union, MoneyGram
Supply Ability: 300 Tons Per Month
Test Equipment

Our Advantages
- Reliable Quality System
- OEM/ ODM Services
- No MOQ Required, More Opportunities
- Excellent Pre-sales Service & After-sales Service
- Fast Shipping & Best Price
Applications
Inconel 718 plates are commonly used in a variety of industries, including aerospace, oil and gas, power generation, and chemical processing. Some typical applications include:
- Aerospace: Turbine blades, discs, and other engine components that require high strength and resistance to high temperatures.
- Oil and Gas: Components for downhole and surface equipment that must withstand corrosive environments and high pressures.
- Power Generation: Gas turbine components, nuclear reactors, and other high-temperature applications.
- Chemical Processing: Equipment that must resist corrosion from acids, chlorides, and other aggressive chemicals.

FAQ
Q:What information should i confirm you when i send inquiry
A:Sometimes we need product specification like material standard or Grade, size, Qty, shipping port, Terms like FOB or CIF etc.
Q: How long of the delivery time?
A: Usually, the shipment can be delivery within 15-30days after the order confirmed.
Q: How about the payment items?
A: LC, T/T, PayPal, Western Union etc.
Q: Which country have you exported to?
A: Our main market is South America, Middle East, Africa and Europe. And have built long time relationship with Pakistan, US, Norway, Germany, Korea, Russia,Taiwan customers.And got continue orders from them every month.
Q: Can i visit your factory?
A: Sure! Welcome in any time.
Q: How about the MOQ?
A: Normally we dont have MOQ requirement, We always expect more opportunities with you. But for some special material or special size let's communicate the actual status.
Q: Can you support us in the applications?
A: It is our pleasure!
Q: Can you accept the inspection from a third party?
A: Yes. We have enough experience to cooperate with the inspection project.
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