Inconel 718 Forged Fittings are a nickel-chromium precipitation-hardened material that offers outstanding mechanical properties in a broad temperature range from cryogenic to 704°C (1300°F), making it ideal for use in aerospace applications. ASTM B564 UNS N07718 Forged Fittings are manufactured by the unique gamma double-prime (γ'') precipitation hardening mechanism which makes them extremely resistant to stress rupture, fatigue and creep, and are used in jet engines, gas turbines, rocket motors and spacecraft. Alloy 718 Forged Fittings are more easily weldable than the aluminum and titanium-hardened grades of nickel superalloys.
Amardeep Steel Centre is an established and leading manufacturer and exporter of DIN 2.4668 Forged Fittings in Socket Weld and Threaded type from 1/8" to 4" NB Class 2000 to 9000 LBS from India. All consignments have full EN 10204 3.1 documentation.
Request a QuoteASTM B564 Inconel 718 Forged Fittings Specifications
Parameter | Details |
Standards | ASTM / ASME |
Designation | B564, SB564 |
Dimension Standard | ASME B16.11, MSS SP-79, 83, 95, 97, BS 3799 |
Grade | Inconel 718 (UNS N07718, WNR 2.4668) |
Type | Socketweld Fittings, Screwed / Threaded Fittings |
Class / Pressure Rating | 2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS |
Size Range | 1/8" NB to 4" NB |
Types | Elbow, Tee, Cross, Coupling, Union, Cap, Plug, Bushing, Outlet, Nipple |
Types of Inconel 718 Forged Fittings
ASTM B564 Inconel 718 Forged Fittings are manufactured in:
- Inconel 718 Forged 90° & 45° Elbow
- Inconel 718 Forged Equal Tee & Reducing Tee
- Inconel 718 Forged Cross (4-way)
- Inconel 718 Full Coupling & Half Coupling
- Inconel 718 Forged Union
- Inconel 718 Forged Pipe Cap
- Inconel 718 Hex Bushing
- Inconel 718 Hex Head Plug & Square Head Plug
- Inconel 718 Outlets: Weldolets, Sockolets, Threadolets
- Inconel 718 Hexagonal & Swaged Nipples
Sourcing Inconel 718 Forged Fittings? Amardeep Steel Centre — Fast Lead Times, Bulk Stock, Worldwide Export | Get a Quote Today |
Inconel 718 Chemical Composition
Element | Ni+Co | Cr | Fe | Nb+Ta | Mo | Ti | Al | C | Mn | Si |
% Value | 50.0–55.0 | 17.0–21.0 | Balance | 4.75–5.50 | 2.80–3.30 | 0.65–1.15 | 0.20–0.80 | ≤ 0.08 | ≤ 0.35 | ≤ 0.35 |
Inconel 718 Mechanical Properties
Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%) | Elongation |
Inconel 718 | 8.19 g/cm³ | 1260–1336°C | 1275 MPa | 1034 MPa | 12% min |
Equivalent Grades of Inconel 718
Standard | UNS | Werkstoff Nr. | JIS | AMS |
Inconel 718 | N07718 | 2.4668 | NCF 718 | AMS 5596 / 5597 / 5832 |
Applications of Inconel 718 Forged Fittings
UNS N07718 Forged Fittings find critical application in:
- Jet engines — wheels, buckets, spacers, high-temperature bolts
- Gas turbines, rocket motors, and spacecraft structures
- Nuclear reactor components and cryogenic storage tanks
- Downhole shafts, wellheads, and oil field equipment
- Gas processing — CO₂, chloride, and sulfide environments
- Heat treatment furnace support structures
Testing & Inspection
Inconel 718 Forged Fittings from Amardeep are subject to:
- PMI Testing — Positive Material Identification
- Chemical Analysis via Spectro
- Tensile, Hardness, and Impact Mechanical Tests
- Intergranular Corrosion (IGC) Test
- Macro & Micro Examination
- Pitting Resistance Test
- Hydrostatic Pressure Test
- X-Ray / Radiography Test (on request)
Packaging & Export Supply
Inconel 718 Forged Fittings are exported in seaworthy wooden corrugated boxes with bubble wrap. Each unit is tagged with heat number, grade, size, and lot number. Fumigation certificates are available for all export shipments. Amardeep ships DIN 2.4668 Forged Fittings to 80+ countries including Canada, Germany, France, Japan, Australia, and the Middle East.
Frequently Asked Questions (FAQs)
Q1. What makes Inconel 718 the preferred choice in aerospace applications?
Inconel 718 Forged Fittings are precipitation-hardened, offering tensile strength of 1275 MPa and creep-rupture resistance up to 704°C. Its superior weldability over other superalloys makes it preferred for jet engines and turbines.
Q2. What is precipitation hardening in Inconel 718?
Precipitation hardening in Inconel 718 involves heat treatment that forms fine gamma double-prime (γ'') particles, inhibiting slip and creep at high temperatures. This gives Alloy 718 Forged Fittings exceptional mechanical strength.
Q3. What are the available types of Inconel 718 Forged Fittings?
Available types include Elbows, Tees, Crosses, Couplings, Unions, Pipe Caps, Bushings, Plugs, Outlets (Weldolets, Sockolets), and Nipples — all conforming to ASME B16.11 in Class 2000 to 9000 LBS.
Q4. Is Inconel 718 resistant to chloride stress corrosion cracking?
Yes. Inconel 718 Forged Fittings show higher resistance to chloride stress corrosion cracking than many superalloys. They also exhibit good general corrosion and crevice corrosion resistance in chloride-rich environments.
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